+ uint16_t tot_message; /* Total number of messages of this type in this cycle */
+ uint16_t message_num; /* Message number */
+ uint16_t tot_svv; /* Total number of SVs in view */
+ uint16_t sv_prn; /* SV PRN number */
+ degree_t elevation; /* Elevation in degrees, 90 maximum */
+ degree_t azimut; /* Azimuth, degrees from true north, 000 to 359 */
+ uint16_t snr; /* SNR, 00-99 dB (null when not tracking) */
+ uint16_t sv_prn2; /* Information about second SV PRN number */
+ degree_t elevation2; /* Information about second SV elevation in degrees, 90 maximum */
+ degree_t azimut2; /* Information about second SV azimuth, degrees from true north, 000 to 359 */
+ uint16_t snr2; /* Information about second SV SNR, 00-99 dB (null when not tracking) */
+ uint16_t sv_prn3; /* Information about third SV PRN number */
+ degree_t elevation3; /* Information about third SV elevation in degrees, 90 maximum */
+ degree_t azimut3; /* Information about third SV azimuth, degrees from true north, 000 to 359 */
+ uint16_t snr3; /* Information about third SV SNR, 00-99 dB (null when not tracking) */
+ uint16_t sv_prn4; /* Information about fourth SV PRN number */
+ degree_t elevation4; /* Information about fourth SV elevation in degrees, 90 maximum */
+ degree_t azimut4; /* Information about fourth SV azimuth, degrees from true north, 000 to 359 */
+ uint16_t snr4; /* Information about fourth SV SNR, 00-99 dB (null when not tracking) */