Motorola M12 Oncore Guide de l'utilisateur télécharger pdf (Page 171)

Chapter 5 - I/O Commands

SHORT POSITION MESSAGE (@@Hb)

Motorola Binary Format

Request Short Position Message:

@@HbrC<CR><LF>

where:

r = output rate 0 = output response message once (polled)

1..255 = response message output at indicated

rate (continuous):

0x01= once per second

0x02= once every two seconds

0xFF = once every 255 seconds

C = checksum

Message length: 8 bytes

Response to above command.

@@HbmdyyhmsffffaaaaoooohhhhmmmmVVvvhhddntssrr

vvvvvvC<CR><LF>

Date

m = month 1..12

d = day 1..31

yy = year 1998..2079

Time

h = hours 0..23

m = minutes 00..59

s = seconds 0..60

ffff = fractional second 0..999,999,999 nanoseconds

Position (Filtered or Unfiltered following Filter Select)

aaaa = latitude in mas -324,000,000..324,000,000 (-90º..+90º)

oooo = longitude in mas -648,000,000..648,000,000 (-180º..+180º)

hhhh = GPS height in cm -100,000..+1,800,000 (-1000..+18,000m)*

mmmm MSL height in cm always 0,000,000 with M12+

Speed/Heading

VV = 3D speed in cm/s 0…51400 (0.0 to 514 m/s)

vv = 2D speed in cm/s 0…51400 (0.0 to 514 m/s)

hh = 2D heading 0….3599 tenths of degrees (0.0 to 359.9º)

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

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Motorola M12 Oncore Guide de l'utilisateur Page 171