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File Formats
ALMANAC.DAT
Example almanac entry:
**** Week 794 almanac for PRN-01 ************
ID: 01
Health: 000
Eccentricity: 3.414630890E-003
Time of Applicability(s): 380928.0000
Orbital Inclination(rad): 9.549833536E-001
Rate of Right Ascen(r/s): -7.771752131E-009
SQRT(A) (m^1/2): 5153.589843
Right Ascen at TOA(rad): 8.032501489E-002
Argument of Perigee(rad): -1.308424592E+000
Mean Anom(rad): 2.045822620E+000
Af0(s): 9.536743164E-007
Af1(s/s): 8.367351256E-011
week: 794
Almanac information for satellites with a bad health status will not be included in this file when
downloaded from the GPS25 sensor and should not be included when uploading to the GPS25 sensor.
EPHEMERS.DAT
Example ephemeris entry:
**** Week 794. Ephemeris for PRN-18 **********
Ref Time of Clk Parms(s): 233504.000000
Ref Time of Eph Parms(s): 233504.000000
Clk Cor, Group Dly(s): -8.280389E-006
Clk Correction af1(s/s): -3.410605E-013
Clk Correction af2(s/s/s): 0.000000E+000
User Range Accuracy(m): 33.299999
Eccentricity(-): 5.913425E-003
SQRT(A) (m**1/2): 5.153628E+003
Mean Motion Cor(r/s): 4.710911E-009
Mean Anomaly(r): 6.033204E-001
Argument of Perigee(r): 1.418009E+000
Right Ascension(r): 3.520111E-002
Inclination Angle(r): 9.434418E-001
Rate of Right Asc(r/s): -8.210699E-009
Rate of Inc Angle(r/s): 4.503759E-010
Lat Cor, Sine(r): 1.212582E-005
Lat Cor, Cosine(r): 2.004206E-006
Inc Cor, Sine(r): -1.490116E-008
Inc Cor, Cosine(r): -9.872019E-008
Radius Cor, Sine(m): 38.375000
Radius Cor, Cosine(m): 132.937500
Issue of Data : 184