Garmin GPS 35 LP Technical Specification

Also see for GPS 35 LP: Declaration of conformity Quick start guide Technical specification

Contents

in“National Institute of Standards and Technology SpecialPublication 432 (Revised 1990)” (for sale by theSuperintendent of Documents, U.S. Government PrintingOffice, Washington, D.C., 20402, U.S.A.).When a positive leap second is required, the second isinserted beginning at 23h 59m 60s of the last day of a monthand ending at 0h 0m 0s of the first day of the followingmonth. The minute containing the leap second is 61seconds long. The GPS 35/36 would have transmitted thisinformation for the leap second added December 31, 1989as follows:Date Time311289 235959311289 235960010190 000000If a negative leap second should be required, one secondwill be deleted at the end of some UTC month. The minutecontaining the leap second will be only 59 seconds long. Inthis case, the GPS 35/36 will not transmit the time of day 23h59m 59s for the day from which the leap second is removed.4.2.3 Global Positioning System Almanac Data(ALM)$GPALM,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14>,<15>*hhAlmanac sentences are not normally transmitted. Almanactransmission can be initiated by sending the sensor boarda $PGRMO,GPALM,1 command. Upon receipt of thiscommand, the sensor board will transmit available almanacinformation on GPALM sentences. During the transmissionof almanac sentences other NMEA data output will betemporarily suspended. can be found in section 4.1.1.23