JPH11166834A - Positioning device and method, and device and method for outputting positioning information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a positioning device which can be simplified the constitu tion used by connecting with a personal computer, a positioning method, and a device and a method for outputting positioning information. SOLUTION: This positioning device includes a GPS 1 for receiving satellite information from a satellite, for computing the position of a moving body; a PC 13 having a memory 15 storing control information for performing the selective control of the satellite information, a reference clock 16 for referencing the selective control information. The PC a CPU 14 controlling the GPS 1 so that the selective control of the satellite information received by the GPS 1 is performed according to the reference clock 16 and the selective control information, and computing information about the position of the moving element according to the satellite information. The GPS 1 equipped with the PC 13 and a PCMCIA 12 for interfacing signals is miniaturized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning device, a positioning method, a positioning information output device, and a positioning information output device, which are connected to, for example, a personal computer to enable calculation of the position of a moving object such as an automobile. About the method.

[0002]

2. Description of the Related Art Conventionally, a GPS (Global Positioning System: Global Positioning System) receiver receives a plurality of, for example, four GPS radio waves Wa, Wb, Wc, and Wd from a satellite through a connected antenna. It is configured to output information on the absolute coordinates and time of the latitude, longitude and altitude of the receiving position, and absolute ground speed information.

[0003]

SUMMARY OF THE INVENTION Such a conventional GP
Since the S receiver is configured solely on the premise that it functions to measure and output the above-described position information,
A memory for storing and holding satellite orbit information called almanac data for shortening the initial positioning time,
A clock indicating a reference clock for referring to the almanac data, a battery for backup, and a microcomputer for performing positioning calculation and a memory for storing the calculation program are required. However, since these are always provided in the GPS receiver although general-purpose ones can be used, there is a disadvantage that when the GPS receiver is connected to, for example, a personal computer, an extra configuration is required. Also,
Since the positioning calculation processing and the position filter processing for removing noise are configured by firmware of a microcomputer built in the GPS receiver, there is an inconvenience that it is difficult to upgrade the version.

The present invention has been made in view of the above points, and has as its object to provide a positioning device, a positioning method, a positioning information output device, and a positioning information output method capable of simplifying the configuration when used by connecting to a personal computer. It is assumed that.

[0005]

A positioning device according to the present invention comprises:
In a positioning device that measures the position of a moving object, a receiving unit that receives and outputs satellite information for calculating the position of the moving object from a satellite and outputs selection control information for performing selection control on the satellite information is stored. And a reference clock for referencing the selection control information, and the receiving unit performs selection control on the satellite information received by the receiving unit based on the reference clock and the selection control information. And a computing unit that computes position information of the moving object based on the satellite information, and an interface unit that connects the receiving unit and the computing unit to interface a signal. is there.

Further, the positioning method according to the present invention is the positioning method for measuring the position of a moving body, wherein the satellite information for calculating the position of the moving body is received and output from a satellite, and stored in a memory. The reference control information for performing the selection control on the obtained satellite information is referred to based on a reference clock, and based on the reference clock and the selection control information, a signal interface process between the reception process and the reception process is performed. And control processing of the reception processing so as to perform selection control on the satellite information received by the reception processing, and calculation processing of calculating position information of the moving object based on the satellite information. is there.

A positioning information output device according to the present invention is a positioning information output device for outputting information for measuring the position of a moving object, wherein the positioning information output device receives satellite information for calculating the position of the moving object from a satellite. And an interface unit for connecting the receiving unit to the outside and interfacing signals, and the receiving unit performs selection control on the satellite information referred to based on a reference clock. Selection control information can be supplied from outside, and based on the reference clock and the selection control information, the satellite information is output by selection control for the satellite information received by the receiving unit, and the satellite information is output to the outside. Based on the above, it is possible to calculate the position information of the moving body.

The positioning information output method according to the present invention is a positioning information output method for outputting information for measuring the position of a moving object, wherein the satellite information for calculating the position of the moving object is received from a satellite. Receiving, from outside, selection control information for performing selection control on the satellite information referred to based on the reference clock, and then outputting the reference clock and the selection control information. Based on the, output satellite information by selection control on the satellite information received by the receiving unit,
The position information of the moving object can be calculated to the outside based on the satellite information.

According to such a positioning device, the following operations are performed. The receiving unit receives and outputs satellite information for calculating the position of the moving object from the satellite. The arithmetic unit has a memory storing selection control information for performing selection control on satellite information and a reference clock for referencing the selection control information, and is received by the receiving unit based on the reference clock and the selection control information. The receiving unit is controlled via the interface unit so as to perform selection control on the satellite information. The calculation unit calculates the position information of the moving object based on the satellite information supplied from the reception unit via the interface unit.

According to such a positioning method, the following operation is performed. The reception process receives and outputs satellite information for calculating the position of the moving object from the satellite. The arithmetic processing refers to selection control information for performing selection control on the satellite information stored in the memory based on the reference clock, and based on the reference clock and the selection control information, performs signal interface processing with the reception processing. The selection control for the satellite information received by the reception processing is performed via the reception processing. The calculation process calculates the position information of the moving object based on the satellite information obtained as a result of the reception process via the interface process.

According to such a positioning information output device, the following operation is performed. The receiving unit receives and outputs satellite information for calculating the position of the moving object from the satellite. The interface unit connects the receiving unit to the outside and performs signal interface. The receiving unit is externally supplied with selection control information for performing selection control on the satellite information referred to based on the reference clock, and selects the satellite information received by the receiving unit based on the reference clock and the selection control information. The satellite information is output by control. The receiving unit enables the outside to calculate the position information of the moving object based on the satellite information.

According to such a positioning information output method, the following operation is performed. The reception process receives and outputs satellite information for calculating the position of the moving object from the satellite. In the receiving process, selection control information for performing selection control on satellite information referred to based on the reference clock is supplied from outside. In the receiving process, thereafter, the satellite information is output by selection control on the satellite information received by the receiving unit based on the reference clock and the selection control information. The receiving process enables the outside to calculate the position information of the moving object based on the satellite information.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. In recent years, applications of portable mobile computers are becoming widespread, but the positioning device of the present embodiment is used as a navigation system by connecting a personal computer (hereinafter, referred to as “PC”) and a GPS receiver. The purpose of the present invention is to perform PC navigation by simplifying the configuration with efficient use of the system. FIG. 1 is a block diagram illustrating a configuration of the positioning device according to the present embodiment.

In FIG. 1, a positioning device according to the present embodiment is a GPS (Global Positioning System: Global Positioning System) 1 for receiving information from satellites.
(Hereinafter referred to as “GPS”) and PCMCIA (Personal Computer) which performs the interface.
r Memory Card International
al Association: Personal Computer Memory Card International Association standard connector 12
It is called "PCMCIA". ) And PC1 that performs positioning calculation
3 is configured.

The GPS 1 includes an antenna 2, an RF amplifier 3 for converting a signal received from the GPS antenna 2 into a frequency that can be easily handled and amplifying the signal, a received signal and a GPS
A local oscillator 4 for generating a clock for synchronizing with an internal code; a mixer (balanced modulator) 5 for integrating and outputting a received signal and a clock; and a reception processing circuit for processing a received signal of each channel 6-1, 6-2,6-3,6-
4.

The reception processing circuit 6-1 modulates the spectrum-spread signal in synchronism with the same code as that used for spreading and re-modulates the spread signal to restore the spread signal.
And a demodulator 8 that demodulates the despread signal to output demodulated data DT1 and a PRN (Pseudo Random Noise) based on a reference clock CK (1.023 MHz) and selection control information supplied from the PC 13.
e: PRN control circuit 10 for generating a control signal for generating a pseudorandom noise) code
And PR, which is the number of a pseudo-random noise code assigned to each GPS satellite based on the control signal
P which generates N code and outputs PRN code EP1
It comprises an RN generator 9 and a range counter 11 for detecting and outputting the propagation time of the radio wave from the satellite corresponding to the PRN code. The reception processing circuits 6-2, 6-6
The demodulation data DT2, DT3, DT4, and PRN have the same configuration as the reception processing circuit 6-1.
The codes EP2, EP3, EP4 and the propagation time are output, respectively.

The above-mentioned selection control information includes almanac data indicating orbit information of the satellite, navigation data of the satellite,
This is ephemeris data indicating the satellite number and the state of the ionosphere.

The PC 13 outputs demodulated data DT1, DT2,
DT3, DT4, PRN code EP1, EP2, EP
3, a central processor unit (CPU) 14 for calculating a position, a distance, and the like based on the propagation time
And a memory 15 for storing almanac data indicating satellite orbit information and navigation data of the satellite, ephemeris data indicating satellite numbers and ionospheric conditions, which are selection control information, and the above-described selection control stored in the memory 15. A reference clock 16 for referring to information;
And a display unit 17 for displaying the position and the distance calculated by the above for navigation.

Here, the GPS 1 is connected to four GPS radio waves Wa, Wb, Wc, W from the satellite by the connected antenna 2.
It is configured to receive d, and output information on the absolute coordinates and time of the latitude, longitude, and altitude of the receiving position, and absolute ground speed information. PC that is connected via GPS1 and PCMCIA12 to configure a navigation system
13 is a display unit 1 for displaying the position data of the moving object on the map data.
7 and display of latitude, longitude, altitude, date and time,
It displays GPS data such as the direction, distance, estimated arrival time, estimated arrival time, etc., to the destination.

Here, the PCMCIA 12 is a standard of an adapter card configured to be detachable from a PC, especially a laptop (notebook) PC. In the present embodiment, the GPS 1 is provided on an adapter card of the PCMCIA12 standard. Attachment and removal of the PCMCIA12 standard card to and from the PC 13 can be as simple as, for example, a floppy disk for a floppy drive device. In order to attach or remove the expansion board to or from the PC 13, the cover of the PC 13 main body must be removed.
There are three types of PCMCIA12 standard cards: a typical expansion board size, a 3.5-inch floppy disk size, and a PCMCIA card size. PCM
The CIA card size is about the size of a so-called bank credit card. All such cards have a 68-pin connector and are backward compatible. That is, any card can be used as long as it is within the allowable range of the PC 13.

The operation of the thus configured positioning apparatus of the present embodiment will be described below. First, the operation of the GPS 1 will be described. In the GPS 1, a signal transmitted from a satellite by the antenna 2 is received and supplied to the RF amplifier 3. The RF amplifier 3 converts a signal received from the GPS antenna 2 into a frequency that is easy to handle, amplifies the signal, and supplies the amplified signal to one input terminal of the mixer 5. The local oscillator 4 generates a clock for synchronizing the received signal with the aforementioned PRN code in the GPS, and supplies the clock to the other input terminal of the mixer 5. The mixer 5 integrates the received signal and the clock, and performs reception processing circuits 6-1, 6-2, 6-6 of each channel.
3, 6-4.

In the receiving processing circuit 6-1, the despreading circuit 7 re-modulates the spread spectrum signal synchronously with the same code as that used for spreading, restores the spread signal, and restores the data. PCMCI is supplied to the demodulator 8 and
The data is supplied to the PC 13 via A12. Demodulator 8 demodulates the despread signal and outputs demodulated data DT1.

Here, in the PC 13, the CPU 14
Is operated by a control program of the GPS driver software, and refers to the above-described selection control information stored in the memory 15 using the reference clock 16. The CPU 14 sets the reference clock CK (1.023M
Hz) and the selection control information, a satellite receivable at that time is determined, a command signal for generating a PRN code corresponding to the satellite is generated, and GPS1 is generated.
To the PRN control circuit 10. The PRN control circuit 10 generates a control signal for generating a PRN code based on the command signal supplied from the CPU 13 and supplies the control signal to the PRN generator 9 and the range counter 11. The PRN generator 9 generates a PRN code which is a pseudo random noise code number assigned to the GPS satellite corresponding to the command signal from the CPU 13 based on the control signal, and outputs a PRN code EP1.

The PRN code EP1 is supplied to the despreading circuit 7 and the range counter 11, and the PCMCIA1
2 to the PC 13. The despreading circuit 7 re-modulates the spread spectrum signal in synchronization with the same code used by the satellite corresponding to the PRN code EP1 for spreading to restore the spread signal. The range counter 11 detects the propagation time of the radio wave from the satellite corresponding to the PRN code EP1 and transmits the PC1 via the PCMCIA 12 to the PC1.
Supply 3 The reception processing circuits 6-2, 6-3, 6
-4 performs the same operation as the reception processing circuit 6-1, and outputs demodulated data DT2, DT3, DT4, PRN codes EP2, EP
3, EP4, and propagation time, respectively, PCMCIA1
2 to the PC 13. Specifically, the demodulated data DT1, DT2, DT3, DT4 are a navigation message from a satellite and a pseudo distance. The pseudo distance is defined as a PRN code transmitted by a satellite and a GPS1 reference code (PRN code).
Code). Satellite and GP
This is because the distance from the actual distance differs because the error of the S reference clock 16 is included.

Next, the operation of the PC 13 will be described. PC1
3, the CPU 14 determines whether the demodulated data DT1, DT
2, DT3, DT4, PRN code EP1, EP2, E
The position, distance, and the like are calculated based on P3, EP4, and the propagation time of the signal from each satellite. Specifically, the CPU 1
4 operates by a positioning program of GPS driver software, and has PRN codes EP1, EP2, EP3, EP4.
Navigation message and demodulated data DT from a satellite corresponding to
An operation is performed to obtain the current position of the moving object from the pseudo distances of 1, DT2, DT3, and DT4. The position and distance calculated by the CPU 14 are displayed on the display unit 17 for navigation.

In this way, the GPS 1 is connected to the four antennas 2 by the connected antenna 2 from the satellites.
Wc and Wd are received, the received signal and the PRN code are synchronized to obtain a pseudo distance, and the PC 13 performs an operation to obtain the current position from the navigation message obtained from the GPS 1 and the pseudo distance, and calculates the current position. Outputs absolute coordinate and time information of latitude, longitude, and altitude, and absolute ground speed information.

The PC 13 connected to the GPS 1 via the PCMCIA 12 can operate as a navigation system by using application software. The PC 13 displays the position data of the moving object on the map data on the display unit 17. , Latitude, longitude, altitude, date and time, and GPS data such as azimuth, distance, estimated arrival time, estimated arrival time, etc., to the destination can be displayed.

Further, the CPU 14 is operated by a filter program of GPS driver software, and performs a filter operation for suppressing fluctuations of the positioning result due to noise.

The positioning device according to the present embodiment is a positioning device for measuring the position of a mobile object, which is a GPS1 as a receiving unit for receiving and outputting satellite information for calculating the position of the mobile object from satellites. , A memory 15 storing selection control information for performing selection control on satellite information and a reference clock 16 for referring to the selection control information, and the GPS 1 as a receiving unit based on the reference clock 16 and the selection control information. The GPS controller 1 controls the GPS 1 as a receiving unit so as to perform selection control on the satellite information received by the PC 1, the PC 13 as a calculating unit that calculates position information of a moving object based on the satellite information, and the GPS 1 as a receiving unit. PCMCIA as an interface unit that connects to a PC 13 as an arithmetic unit and interfaces signals
12, a memory 15, a reference clock 16, and a CPU 14 for performing positioning calculation on the GPS 1 side as a receiving unit
There is no need to provide a backup battery, and it is possible to reduce the cost of the entire positioning device by reducing the number of general-purpose parts and miniaturizing the GPS 1 as the receiving unit.

In the positioning device according to the present embodiment, in the above description, the calculation unit is a personal computer (PC) 13.
Since the personal computer (PC) 13 has application software for controlling the GPS 1 as a receiving unit and calculating the position information of the moving object, it is easy to upgrade the version when changing the positioning calculation algorithm. Can be.

Further, the positioning device according to the present embodiment has a PCMCIA 12
Is a standard for the memory card of the personal computer (PC) 13,
C) The GPS 1 serving as a card-shaped receiving unit can be attached to and detached from 13, so that positioning calculation can be performed easily in a convenient form.

In the positioning apparatus of the present embodiment, the selection control information is almanac data indicating the orbit information of the satellite in the above description. Can be controlled so as to receive the signal.

In the positioning device of the present embodiment, the selection control information is satellite navigation data, ephemeris data indicating the satellite number and the state of the ionosphere in the above description, It is possible to control to receive an optimal satellite signal based on the navigation data.

The positioning method according to the present embodiment is a positioning method for measuring the position of a moving object, comprising: a receiving process for receiving and outputting satellite information for calculating the position of the moving object from a satellite; Reference is made to the selection control information for performing the selection control on the satellite information stored in the base station on the basis of the reference clock 16, and based on the reference clock 16 and the selection control information, through the interface processing of the signal between the reception processing and And control processing for performing selection control on the satellite information received by the reception processing, and calculation processing for calculating the position information of the moving object based on the satellite information. The positioning processing based on the information and the reference clock 16 is not necessary, and the positioning processing is performed in the calculation processing, thereby simplifying the reception processing by omitting the reception processing. It is possible to reduce the cost down to.

The positioning information output device according to the present embodiment is a positioning information output device for outputting information for measuring the position of a moving object, wherein satellite information for calculating the position of the moving object is received from a satellite. G as a receiving unit that outputs
A PS1 and a PCMCIA 12 as an interface unit for connecting the GPS1 as a receiving unit and the outside and interfacing signals, and a GPS as a receiving unit
Reference numeral 1 indicates that externally available selection control information for performing selection control on the satellite information referred to based on the reference clock 16 is received by the GPS 1 as a receiving unit based on the reference clock 16 and the selection control information. The satellite information is output by selective control of the received satellite information, and the location information of the moving object can be calculated to the outside based on the satellite information. Clock 16, CPU that performs positioning calculation
It is not necessary to provide a backup battery 14 or a backup battery.
By reducing the size of the GPS 1 as the receiving unit, the cost of the positioning information output device can be reduced.

Further, the positioning information output device according to the present embodiment has a PCM
A personal computer (PC) 13 is connected to the outside via the CIA 12, and the personal computer (P)
C) 13 has application software for controlling the GPS 1 as a receiving unit and calculating the position information of the moving body, so that an external general-purpose personal computer (P
C) It is possible to easily upgrade the version when the positioning calculation algorithm is changed for 13.

Further, the positioning information output device of the present embodiment has a PCM
Since the CIA 12 is a standard for a memory card of a personal computer (PC) 13, a positioning information output device in the form of a card can be attached to and detached from the personal computer (PC) 13. can do.

In the positioning information output apparatus of the present embodiment, the selection control information is almanac data indicating the orbit information of the satellite in the above description. It can be controlled to receive satellite signals.

In the positioning information output apparatus according to the present embodiment, the selection control information is the navigation data of the satellite, the ephemeris data indicating the satellite number and the state of the ionosphere. Control to receive an optimal satellite signal based on the navigation data.

The positioning information output method according to the present embodiment is a positioning information output method for outputting information for measuring the position of a moving object, wherein satellite information for calculating the position of the moving object is received from a satellite. Equipped with a reception process to output
The receiving process is such that, after externally supplying selection control information for performing selection control on the satellite information referred to based on the reference clock, the satellite information received by the receiving unit based on the reference clock and the selection control information. The satellite information is output by the selection control with respect to, and the position information of the mobile body can be calculated to the outside based on the satellite information. It is unnecessary to perform the processing in an external arithmetic processing, and the reception processing can be omitted, whereby the reception processing can be streamlined and the cost can be reduced.

[0041]

The positioning device according to the present invention is a positioning device for measuring the position of a moving object, comprising: a receiving unit for receiving and outputting satellite information for calculating the position of the moving object from a satellite; Having a memory storing selection control information for performing selection control on and a reference clock for referencing the selection control information, and receiving the reference clock and the selection received by the receiving unit based on the selection control information. A control unit that controls the receiving unit so as to perform selection control on the satellite information, and calculates a position information of the moving body based on the satellite information, and connects the receiving unit and the calculating unit to each other to generate a signal. Interface unit that performs the interface of the above, so there is no need to provide a memory or reference clock, a CPU or a backup battery that performs positioning calculation on the receiving unit side, By reducing the components of use, an effect that it is possible to reduce the cost of the entire positioning device by reducing the size of the receiver.

Further, in the positioning device of the present invention, in the above description, the calculation unit is a personal computer, and the personal computer has application software for controlling the reception unit and calculating the position information of the moving body. Therefore, it is possible to easily upgrade the version when the positioning calculation algorithm is changed.

Further, in the positioning device of the present invention, in the above description, since the interface unit is a standard for a memory card of a personal computer, a card-shaped receiving unit can be attached to and detached from the personal computer. This has an effect that positioning calculation can be performed conveniently and easily.

Further, in the positioning apparatus of the present invention, since the selection control information is almanac data indicating the orbit information of the satellite in the above, the optimum satellite is determined based on the orbit information of the satellite supplied from the arithmetic unit. This has the effect that control can be performed to receive signals.

In the positioning apparatus according to the present invention, the selection control information is satellite navigation data, ephemeris data indicating the satellite number and the state of the ionosphere. An effect is obtained that control can be performed so as to receive an optimal satellite signal based on data.

In the positioning method according to the present invention, in the positioning method for measuring the position of a moving object, a receiving process for receiving and outputting satellite information for calculating the position of the moving object from a satellite, and storing the information in a memory. The reference control information for performing the selection control on the obtained satellite information is referred to based on a reference clock, and based on the reference clock and the selection control information, a signal interface process between the reception process and the reception process is performed. And controlling the reception process so as to perform selection control on the satellite information received by the reception process, and a calculation process of calculating the position information of the moving object based on the satellite information, Positioning calculation processing based on the selection control information and the reference clock is not required in the reception processing, so that the processing is performed in the calculation processing and the reception processing can be omitted. Ri reception processing by slimming is advantageously possible to reduce the cost.

Further, the positioning information output device of the present invention is a positioning information output device for outputting information for measuring the position of a moving object, wherein the positioning information output device receives satellite information for calculating the position of the moving object from a satellite. And an interface unit for connecting the receiving unit to the outside and interfacing signals, and the receiving unit performs selection control on the satellite information referred to based on a reference clock. Selection control information can be supplied from outside, and based on the reference clock and the selection control information, the satellite information is output by selection control for the satellite information received by the receiving unit, and the satellite information is output to the outside. It is possible to calculate the position information of the moving object on the basis of There is no need to provide a backup battery, the number of general-purpose components is reduced, and the use of external general-purpose components provides an effect that the size of the receiving unit can be reduced and the cost of the positioning information output device can be reduced. .

Further, in the positioning information output apparatus of the present invention, a personal computer is connected to the outside via the interface section, and the personal computer controls the receiving section and calculates the position information of the moving body. Is provided, there is an effect that it is possible to easily upgrade the external general-purpose personal computer when the positioning calculation algorithm is changed.

Further, in the positioning information output device of the present invention, in the above description, since the interface section is a standard for a memory card of a personal computer, the card-shaped positioning information output device can be attached to and detached from the personal computer. Thus, there is an effect that the positioning calculation can be easily performed in a convenient form.

In the positioning information output apparatus according to the present invention, the selection control information is almanac data indicating the orbit information of the satellite. The control signal can be controlled to be received.

In the positioning information output apparatus according to the present invention, the selection control information may include satellite navigation data,
Since this is ephemeris data indicating the satellite number and the state of the ionosphere, it is possible to control to receive an optimal satellite signal based on satellite navigation data supplied from the outside.

In a positioning information output method according to the present invention, in the positioning information output method for outputting information for measuring the position of a moving body, satellite information for calculating the position of the moving body is received from a satellite. Receiving, from outside, selection control information for performing selection control on the satellite information referred to based on the reference clock, and then outputting the reference clock and the selection control information. Based on the, output satellite information by selection control on the satellite information received by the receiving unit,
Since the calculation of the position information of the moving object is enabled to the outside based on the satellite information, the positioning process based on the selection control information and the reference clock is not required in the reception process. As a result, by omitting the reception processing, the reception processing can be streamlined and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a positioning device according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... GPS, 2 ... Antenna, 3 ... RF amplifier, 4 ... Local oscillator, 5 ... Mixer, 6 ... Reception processing circuit, 7 ... Despreading circuit, 8 ... Data demodulator, 9 ... PRN generator, 10 ... PR
N control circuit, 12 PCMCIA, 13 P
C, 14 CPU, 15 memory, 16 clock, 1
7 Display unit

Claims (12)

[Claims] 1. A positioning device for measuring the position of a moving body, comprising: a receiving unit for receiving and outputting satellite information for calculating the position of the moving body from a satellite; and a selection unit for performing selection control on the satellite information. A memory storing selection control information and a reference clock for referring to the selection control information, and performing selection control on the satellite information received by the receiving unit based on the reference clock and the selection control information A control unit for controlling the receiving unit as described above, and calculating position information of the moving object based on the satellite information; and an interface unit for connecting the receiving unit and the calculating unit to interface a signal. A positioning device comprising: 2. The positioning device according to claim 1, wherein the calculation unit is a personal computer, and the personal computer has application software for controlling the reception unit and calculating position information of the moving body. A positioning device characterized by the following. 3. The positioning device according to claim 1, wherein the interface unit is a standard for a memory card of a personal computer. 4. The positioning device according to claim 1, wherein the selection control information is almanac data indicating orbit information of a satellite. 5. The positioning device according to claim 1, wherein the selection control information is navigation data of a satellite, ephemeris data indicating a satellite number and an ionospheric situation. 6. A positioning method for measuring a position of a moving object, comprising: receiving processing for receiving and outputting satellite information for calculating the position of the moving object from a satellite; and selecting the satellite information stored in a memory. The selection control information for performing control is referred to based on a reference clock, and is received by the reception processing through an interface processing of a signal between the reception processing and the reference processing based on the reference clock and the selection control information. And a control process for controlling the receiving process so as to perform selection control on the satellite information, and calculating position information of the moving body based on the satellite information. 7. A positioning information output device for outputting information for measuring the position of a moving object, a receiving unit for receiving and outputting satellite information for calculating the position of the moving object from a satellite, and receiving the information. An interface unit for connecting a unit to the outside and interfacing a signal, wherein the receiving unit can externally supply selection control information for performing selection control on the satellite information referred to based on a reference clock. Based on the reference clock and the selection control information, outputs satellite information by selection control on the satellite information received by the reception unit, and outputs position information of the mobile object to the outside based on the satellite information. A positioning information output device characterized in that the calculation of (1) is enabled. 8. The positioning information output device according to claim 7, wherein a personal computer is connected to the outside via the interface unit, and the personal computer controls the receiving unit and calculates the position information of the moving body. A positioning information output device having application software for performing the positioning. 9. The positioning information output device according to claim 7, wherein the interface unit is a standard for a memory card of a personal computer. 10. The positioning information output device according to claim 7, wherein the selection control information is almanac data indicating satellite orbit information. 11. The positioning information output device according to claim 7, wherein the selection control information is navigation data of a satellite, ephemeris data indicating a satellite number and an ionospheric situation. 12. A positioning information output method for outputting information for measuring a position of a moving object, comprising: a receiving process for receiving and outputting satellite information for calculating the position of the moving object from a satellite; In the receiving process, after the selection control information for performing the selection control on the satellite information referred to based on the reference clock is supplied from the outside, the reception unit receives the selection control information based on the reference clock and the selection control information. A positioning information output method, wherein the satellite information is output by the selected selection control on the satellite information, and the location information of the moving object can be calculated to the outside based on the satellite information.