Garmin GPS 15L Technical Specifications

Contents

Garmin GPS 15L Technical Specifications Manual pdf 29 page image

190-00266-01 GPS 15H & 15L Technical Specifications Rev. DPage 25The status bit field represents a set of booleans described below:Bit Meaning when bit is one (1)0 The unit has ephemeris data for the specified satellite.1 The unit has a differential correction for the specified satellite.2 The unit is using this satellite in the solution.This pattern is repeated for all 12 channels for a total of 12 X 7 bytes = 84 (0x54) bytes :typedef struct{cpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_datacpo_sat_data} cpo_all_sat_dataThe RS-232 Packet for the Satellite Record looks like:- 0x10 (DLE is first byte)- 0x72 (Record ID – single byte)- 0x54 (Number of data bytes – single byte)- cpo_all_sat_data- 0x## (2’s complement of the arithmetic sum of the bytes between the delimiters)- 0x10 (DLE)- 0x03 (ETX is last byte)