Specifications

VP ONCORE COMMAND REFERENCE

ALMANAC DATA OUTPUT MESSAGE (@@Be)

Motorola Binary Format

Input Command • Set Almanac Data Output Rate:

@@BemC<CR><LF>

m – mode 0 - output response message once (polled)

1 - output response message when

almanac data changes (continuous)

C - checksum

Message Length: 8 bytes

Response Message • (to command)

@@Cbspxxxxx ... xxxxc<CR><LF>

sp – subframe/page Number sf 5 / pgs 1 - 25

sf 4 / pgs2-5, 7 - 10, 25

xxx... xxx Words 3 - 10, each word is 3

bytes long (format per ICD-

GPS-200)

C - checksum

Message Length: 33 bytes

Note: If no almanac is present in GPS receiver, then the receiver

returns one output response message with the "sp" field set to

0, and all other bytes in the field set to 0.

81 Synergy Systems, LLC 05OCT01