Motorola M12 Oncore Guide de l'utilisateur télécharger pdf (Page 121)

Chapter 5 - I/O Commands

PSEUDO-RANGE CORRECTION OUTPUT REQUEST (@@Bh)

Motorola Binary Format

Request Pseudo-Range Corrections:

@@BhmC<CR><LF>

where:

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

1..255 – response message output at indicated rate (continuous)

1 – once per second

2 – once every two seconds

255 – once every 255 seconds

C = checksum

Message Length: 8 bytes

Response to above command:

@@Cettt ippprrd ippprrd ippprrd ippprrd ippprrd ippprrd C<CR><LF>

where:

ttt - GPS time ref 0..6047999 (0.0..604799.9)

For each of six channels:

i - Satellite ID 0..32

0 = not used

1 – 32 = Sat ID

ppp - pseudo-range correction -1,048,576..+1,048,576cm

(-10,485.76..+10,485.76m)

rr - pseudorange rate correction -4096..+4096mm/s

(-4.096..+4.096m/s)

d – issue of data ephemeris 0..255

C = checksum

Message length: 52 bytes

Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05

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Motorola M12 Oncore Guide de l'utilisateur Page 121