info update

rs92/rs92.txt

@@ -51,6 +51,7 @@ FE 01 -> 405.10 MHz (Meppen 9 Uhr/Lindenberg)
 67 3D
 0x48:
 GPS TOW (gps time of week)
+(Receiver: Common Transmission Time vs Common Reception Time)
 
 0x4E:
 PRN
@@ -84,6 +85,22 @@ Bei almanac-Daten 500-1000m Fehler moeglich, rinex-ephemeris deutlich genauer.
 
 
 
+
+Bahndaten
+SEM Almanac:
+https://celestrak.com/GPS/almanac/SEM/
+Rinex Ephemeris:
+http://cddis.gsfc.nasa.gov/Data_and_Derived_Products/GNSS/broadcast_ephemeris_data.html
+ftp://cddis.gsfc.nasa.gov/gnss/data/daily/YYYY/DDD/YYn/brdcDDD0.YYn.Z (updated)
+ftp://cddis.gsfc.nasa.gov/gnss/data/daily/YYYY/brdc/brdcDDD0.YYn.Z (final)
+
+GPS calendar:
+http://adn.agi.com/GNSSWeb/
+
+Geoid:
+http://geographiclib.sourceforge.net/cgi-bin/GeoidEval
+
+
 weitere Infos:
 http://www.vaisala.com/Vaisala%20Documents/Brochures%20and%20Datasheets/RS92SGP-Datasheet-B210358EN-F-LOW.pdf
 http://www.vaisala.com/Vaisala%20Documents/Vaisala%20News%20Articles/VN164/VN164_State-of-the-Art_Radiosonde_Telemetry.pdf

rs92/rs92gps.c

@@ -1,6 +1,21 @@
 
 /*
  *  radiosonde RS92
+ *
+ *
+ *  broadcast ephemeris:
+ *  http://cddis.gsfc.nasa.gov/Data_and_Derived_Products/GNSS/broadcast_ephemeris_data.html
+ *  ftp://cddis.gsfc.nasa.gov/gnss/data/daily/YYYY/DDD/YYn/brdcDDD0.YYn.Z (updated)
+ *  ftp://cddis.gsfc.nasa.gov/gnss/data/daily/YYYY/brdc/brdcDDD0.YYn.Z (final)
+ *
+ *  SEM almanac:
+ *  https://celestrak.com/GPS/almanac/SEM/
+ *
+ *  GPS calendar:
+ *  http://adn.agi.com/GNSSWeb/
+ *
+ *  GPS-Hoehe ueber Ellipsoid, Geoid-Hoehe:
+ *  http://geographiclib.sourceforge.net/cgi-bin/GeoidEval
  */
 
 
@@ -437,13 +452,6 @@ int get_Cal() {
         }   
     }
 
-/*
-    if (calfr == 0x02) {
-        byte = xorbyte(pos_Calburst);
-        burst = byte;
-        fprintf(stderr, ": BK %02X ", burst);
-    }
-*/
     if (calfr == 0x00) {
         for (i = 0; i < 2; i++) {
             byte = xorbyte(pos_Calfreq + i);
@@ -503,7 +511,6 @@ int calc_satpos_alm(EPHEM_t alm[], double t, SAT_t *satp) {
     int week;
     double cl_corr;
 
-
     for (j = 1; j < 33; j++) {
         if (alm[j].prn > 0) {  // prn==j