Deluo Electronics http://www.deluo.com
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1 INTRODUCTION ............................................................................................... 5
1.1 OVERVIEW............................................................................................................. 5
1.2 FEATURES .............................................................................................................. 5
2 RECEIVER OPERATION............................................................................... 6
3 HARDWARE INTERFACE............................................................................. 7
3.1 RF CONNECTOR .................................................................................................... 7
3.2 INTERFACE CONNECTOR........................................................................................ 7
3.3 MECHANICAL DIMENSIONS AND INTERFACE CONNECTOR..................................... 8
3.4 INTERFACE CONNECTOR PIN OUT.......................................................................... 9
3.4.1 Molex Connector JP3........................................................................................ 9
3.4.2 Pin Header Connector JP2.............................................................................. 10
3.5 ONE-PULSE-PER-SECOND OUTPUT.......................................................................11
3.6 RTCM DIFFERENTIAL DATA................................................................................11
4 SOFTWARE INTERFACE............................................................................ 12
4.1 NMEA OUTPUT MESSAGE SPECIFICATION.............................................. 12
4.1.1 NMEA Checksum Calculation.......................................................................... 12
4.1.2 GGA – Global Positioning System Fix Data...................................................... 13
4.1.3 GLL – Geographic Position – Latitude / Longitude ........................................... 14
4.1.4 GSA – GNSS DOP and Active Satellites............................................................ 15
4.1.5 GSV – GNSS Satellites in View......................................................................... 16
4.1.6 RMC – Recommended Minimum Specific GNSS Data........................................ 17
4.1.7 VTG – Course Over Ground and Ground Speed................................................ 18
4.2 EVERMORE BINARY MESSAGE SPECIFICATION .................................... 19
4.2.1 Binary Input Messages.................................................................................... 21
4.2.1.1 EverMore Binary Input Message 0x80: Initialization .......................................... 21
4.2.1.2 EverMore Binary Input Message 0x81: Data Logging......................................... 22
4.2.1.3 EverMore Binary Input Message 0x86: Set Elevation Mask................................. 22
4.2.1.4 EverMore Binary Input Message 0x87: Set DOP Mask ....................................... 22
4.2.1.5 EverMore Binary Input Message 0x8F: Set Operating Mode................................ 23
4.2.1.6 EverMore Binary Input Message 0x94: Differential GPS Control.......................... 24
