GPSの研究　その38

#概要
GPSを理解したかった。
RTKCONVでubxファイルから、rinexファイル作って見た。

#navファイル

```
     2.10           N: GPS NAV DATA                         RINEX VERSION / TYPE
RTKCONV 2.4.2                           20180709 104746 UTC PGM / RUN BY / DATE 
log: C:\Users\*\Desktop\COM4_180709_103502.ubx            COMMENT             
format: u-blox                                              COMMENT             
                                                            END OF HEADER       
30 18  7  9 12  0  0.0  .527394004166E-04 -.466116034659E-11  .000000000000E+00
     .670000000000E+02  .994062500000E+02  .484377319117E-08 -.256759672954E+01
     .517629086971E-05  .357619172428E-02  .102333724499E-04  .515372249603E+04
     .129600000000E+06 -.689178705215E-07 -.312139356143E+00 -.707805156708E-07
     .944065551685E+00  .178562500000E+03 -.303164842195E+01 -.811105214359E-08
     .131434046184E-09  .100000000000E+01  .200900000000E+04  .000000000000E+00
     .240000000000E+01  .000000000000E+00  .372529029846E-08  .670000000000E+02
     .124236000000E+06  .400000000000E+01
```

#obsファイル

```
     2.10           OBSERVATION DATA    M (MIXED)           RINEX VERSION / TYPE
RTKCONV 2.4.2                           20180709 104746 UTC PGM / RUN BY / DATE 
log: C:\Users\*\Desktop\COM4_180709_103502.ubx            COMMENT             
format: u-blox                                              COMMENT             
                                                            MARKER NAME         
                                                            MARKER NUMBER       
                                                            OBSERVER / AGENCY   
                                                            REC # / TYPE / VERS 
                                                            ANT # / TYPE        
        0.0000        0.0000        0.0000                  APPROX POSITION XYZ 
        0.0000        0.0000        0.0000                  ANTENNA: DELTA H/E/N
     1     1                                                WAVELENGTH FACT L1/2
     4    C1    L1    D1    S1                              # / TYPES OF OBSERV 
  2018     7     9    10    30   32.0000000     GPS         TIME OF FIRST OBS   
  2018     7     9    10    37   20.9580000     GPS         TIME OF LAST OBS    
                                                            END OF HEADER       
 18  7  9 10 30 32.0000000  0  1G30
  21494185.901     -530392.4152      12830.051          32.000  
 18  7  9 10 30 33.0000000  0  1G30
  21491745.270     -543218.2012      12821.243          32.000  
 18  7  9 10 30 34.0000000  0  1G30
  21489306.043     -556036.8042      12815.847          32.000  
 18  7  9 10 30 35.0000000  0  1G30
  21486867.908     -568850.7572      12811.911          33.000  
 18  7  9 10 30 36.0000000  0  1G30
  21484430.754     -581659.0772      12806.003          32.000  
 18  7  9 10 30 36.9620000  0  1G30
  21482086.766     -593977.085       12800.481          32.000  
 18  7  9 10 30 37.9620000  0  1G30
  21479650.655     -606777.448       12800.096          32.000  
 18  7  9 10 30 38.9620000  0  1G30
  21477214.962     -619575.178       12797.089          32.000  
 18  7  9 10 30 39.9620000  0  1G30
  21474780.430     -632371.3603      12801.021          32.000  
 18  7  9 10 30 40.9620000  0  1G30
  21472344.475     -645172.3992      12802.138          32.000  
 18  7  9 10 30 41.9620000  0  1G30
  21469908.486     -657974.3022      12802.935          33.000  
 18  7  9 10 30 42.9620000  0  1G30
  21467472.462     -670776.2142      12802.220          33.000  
 18  7  9 10 30 43.9620000  0  1G30
  21465036.625     -683577.3542      12800.713          34.000  
 18  7  9 10 30 44.9620000  0  1G30
  21462600.234     -696379.2522      12802.870          34.000  
 18  7  9 10 30 45.9620000  0  1G30
  21460163.530     -709183.2962      12805.328          33.000  
 18  7  9 10 30 46.9620000  0  1G30
  21457726.991     -721987.8692      12805.309          31.000  
 18  7  9 10 30 47.9620000  0  1G30
  21455289.636     -734795.7472      12811.156          31.000  
 18  7  9 10 30 48.9620000  0  1G30
  21452852.150     -747603.743       12807.094          32.000  
 18  7  9 10 30 49.9620000  0  1G30
  21450415.380     -760409.350       12808.020          32.000  
 18  7  9 10 30 50.9610000  0  1G30
  21447980.054     -773206.526       12815.035          32.000  
 18  7  9 10 30 51.9610000  0  1G30
  21445541.857     -786021.498       12815.755          34.000  
 18  7  9 10 30 52.9610000  0  1G30
  21443102.993     -798837.596       12816.193          34.000  
 18  7  9 10 30 53.9610000  0  1G30
  21440664.377     -811654.535       12820.354          33.000  
 18  7  9 10 30 54.9610000  0  1G30
  21438224.553     -824475.969       12825.405          32.000  
 18  7  9 10 30 55.9610000  0  1G30
  21435783.857     -837301.799       12828.763          31.000  
 18  7  9 10 30 56.9610000  0  1G30
  21433342.929     -850130.458       12828.620          32.000  
 18  7  9 10 30 57.9610000  0  1G30
  21430901.028     -862960.311       12829.931          32.000  
 18  7  9 10 30 58.9610000  0  1G30
  21428459.189     -875790.9753      12830.065          32.000  
```

以上。