begEpoch -begObs -Observation -begObs -Observation -begObs -Observation +t_obsInternal +t_obsInternal ... +t_obsInternal endEpoch begEpoch +t_obsInternal ...-
with the corresponding structures defined as follow:
+ +The corresponding structures are defined as follow:
-const char begEpoch = 'A';
-const char begObs = 'B';
-const char endEpoch = 'C';
-struct Observation {
+ const char begEpoch[] = "BEGEPOCH";
+ const char endEpoch[] = "ENDEPOCH";
+...
+...
+class t_obsInternal {
+ public:
int flags;
- char StatID[20+1];// Station ID
- char satSys; // Satellite System ('G' or 'R')
- int satNum; // Satellite Number (PRN for GPS NAVSTAR)
- int slot; // Slot Number (for Glonass)
- int GPSWeek; // Week of GPS-Time
- double GPSWeeks; // Second of Week (GPS-Time)
- double C1; // CA-code pseudorange (meters)
- double C2; // CA-code pseudorange (meters)
- double P1; // P1-code pseudorange (meters)
- double P2; // P2-code pseudorange (meters)
- double L1; // L1 carrier phase (cycles)
- double L2; // L2 carrier phase (cycles)
- double S1; // L1 signal-to noise ratio
- double S2; // L2 signal-to noise ratio
- int SNR1; // L1 signal-to noise ratio (mapped to integer)
- int SNR2; // L2 signal-to noise ratio (mapped to integer)
-} ;
+ char StatID[20+1]; // Station ID
+ char satSys; // Satellite System ('G' or 'R')
+ int satNum; // Satellite Number (PRN for GPS NAVSTAR)
+ int slot; // Slot Number (for Glonass)
+ int GPSWeek; // Week of GPS-Time
+ double GPSWeeks; // Second of Week (GPS-Time)
+ double C1; // CA-code pseudorange (meters)
+ double C2; // CA-code pseudorange (meters)
+ double P1; // P1-code pseudorange (meters)
+ double P2; // P2-code pseudorange (meters)
+ double L1; // L1 carrier phase (cycles)
+ double L2; // L2 carrier phase (cycles)
+ int slip_cnt_L1; // L1 cumulative loss of continuity indicator (negative value = undefined)
+ int slip_cnt_L2; // L2 cumulative loss of continuity indicator (negative value = undefined)
+ int lock_timei_L1; // L1 last lock time indicator (negative value = undefined)
+ int lock_timei_L2; // L2 last lock time indicator (negative value = undefined)
+ double S1; // L1 signal-to noise ratio
+ double S2; // L2 signal-to noise ratio
+ int SNR1; // L1 signal-to noise ratio (mapped to integer)
+ int SNR2; // L2 signal-to noise ratio (mapped to integer)
+};
+
The source code for BNC comes with an example program called 'test_bnc_qt.cpp' that allows you to read BNC's binary observation output from the IP port (hard-coded to 1968) and save the observations in file 'obs.txt'.