Garmin LVC 18 Technical Specification - Page 33

Receiver Measurement Record typedef struct { unsigned long double unsigned int char unsigned char char char } cpo_rcv_sv_data; cycles; pr; phase; slp_dtct; snr_dbhz; svid; valid; typedef struct { double int cpo_rcv_sv_data } cpo_rcv_data; rcvr_tow; rcvr_wn; sv[ 12 ]; rcvr_tow rcvr_wn cycles pr phase slp_dtct snr_dbhz svid numbers. valid Receiver time of week (seconds) Receiver week number Number of accumulated cycles Pseudorange (meters) To convert to (0 to 359.999) multiply by 360.0 and divide by 2048.0 0 = no cycle slip detected; non-zero = cycle slip detected Signal strength - db Hz Satellite number (0 to 31; 119 to 138 for WAAS). Note: add 1 to offset to current svid 0 = information not valid; non-zero = information valid GPS 18 Technical Specifications (190-00307-00) Page 27 Rev. D