Add talker_id to array of satellite-specific information

extras/doc/Data Model.md

@@ -108,12 +108,13 @@ There is additional information that is not related to a fix.  Instead, it conta
   * `gps.UTCus()`, the number of microseconds since the last received UTC time, calculated from `micros()` and `gps.UTCsecondStart`.
   * `gps.nmeaMessage`, the latest received message type.  This is an ephemeral value, because multiple sentences are merged into one `fix` structure.  If you only check this after a complete fix is received, you will only see the LAST_SENTENCE_IN_INTERVAL.
     * enum values NMEA_GLL, NMEA_GSA, NMEA_GST, NMEA_GSV, NMEA_RMC, NMEA_VTG or NMEA_ZDA
-  * `gps.satellies[]`, an array of satellite-specific information, where each element contains
-    * `gps.satellies[i].id`, satellite ID
-    * `gps.satellies[i].elevation`, satellite elevation in 0-90 integer degrees
-    * `gps.satellies[i].azimuth`, satellite azimuth in 0-359 integer degrees
-    * `gps.satellies[i].snr`, satellite signal-to-noise ratio in 0-99 integer dBHz
-    * `gps.satellies[i].tracked`, satellite being tracked flag, a boolean
+  * `gps.satellites[]`, an array of satellite-specific information, where each element contains
+    * `gps.satellites[i].id`, satellite ID
+    * `gps.satellites[i].elevation`, satellite elevation in 0-90 integer degrees
+    * `gps.satellites[i].azimuth`, satellite azimuth in 0-359 integer degrees
+    * `gps.satellites[i].snr`, satellite signal-to-noise ratio in 0-99 integer dBHz
+    * `gps.satellites[i].tracked`, satellite being tracked flag, a boolean
+    * `gps.satellites[i].talker_id[]`, GSV satellite talker ID, a two-character array (NULL-terminated)
   * `gps.sat_count`, the number of elements in the `gps.satellites[]` array
   * `gps.talker_id[]`, talker ID, a two-character array (not NUL-terminated)
   * `gps.mfr_id[]`, manufacturer ID, a three-character array (not NUL-terminated)

src/NMEAGPS.cpp

@@ -861,6 +861,12 @@ bool NMEAGPS::parseGSV( char chr )
     #endif
 
     if (sat_count < NMEAGPS_MAX_SATELLITES) {
+
+      // GSV talker_id
+      satellites[sat_count].talker_id[0] = talker_id[0];
+      satellites[sat_count].talker_id[1] = talker_id[1];
+      satellites[sat_count].talker_id[2] = (char)'\0';
+
       if (fieldIndex >= 4) {
 
         switch (fieldIndex % 4) {

src/NMEAGPS.h

@@ -250,6 +250,7 @@ class NMEAGPS
           uint16_t azimuth;   // 0..359 deg
           uint8_t  snr     NEOGPS_BF(7); // 0..99 dBHz
           bool     tracked NEOGPS_BF(1);
+          char     talker_id[3];  // GSV Talker ID
         #endif
       } NEOGPS_PACKED;