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M12 Oncore Users Guide Supplement - deetc - isel

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Input Command<br />

Response Message<br />

Motorola GPS Products<br />

<strong>M12</strong> <strong>Oncore</strong> User’s <strong>Guide</strong> <strong>Supplement</strong><br />

Revision 1.0 01/25/00<br />

COMBINED POSITION<br />

Motorola Binary Format<br />

• Poll Combined Position Message:<br />

@@GaxxxxxxxxxxxxxC<br />

xxxxxxxxxxxxx 13 out of range bytes $ffffffffffffffffffffffffffffffffffff<br />

C<br />

Message Length: 20 bytes<br />

checksum<br />

• Change current Position values:<br />

@@GaaaaaoooohhhhtC<br />

aaaa latitude in mas -324,000,000 ..+324,000,000<br />

(-900 to + 900 )<br />

oooo longitude in mas -648,000,000 ..+648,000,000<br />

(-1800 to + 1800 )<br />

hhhh height -100,000 .. 1,800,000 cm (-1000 to 18000 m)<br />

t height type 0 = GPS, 1 = MSL<br />

C checksum<br />

Message Length: 20 bytes<br />

• To either input command:<br />

@@GaaaaaoooohhhhtC<br />

aaaa latitude in mas 324,000,000 .. +324,000,000<br />

milliarcseconds (-900 to + 900 )<br />

oooo longitude in mas -648,000,000 ..+648,000,000<br />

milliarcseconds (-1800 to + 1800 )<br />

hhhh GPS height in cm -100,000 .. 1,800,000 cm (-1000 to 18000 m)<br />

t height type 0 = GPS, 1 = MSL<br />

C checksum<br />

Message Length: 20 bytes<br />

69

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