Command and Log Reference
69
8.4 ANTENNA Detect
UM4B0 and UM482 support antenna working status query, the antenna state
includes normal, open circuit, and short circuit. Hardware detection and software
query output indicates hardware functions, software output data protocol, and
command format.
1. For active antenna of working normally, the board feeds the antenna, normal
operating current forms a loop, the receiver querys its real-time status;
2. Antenna open circuit: when the receiver is not connected to the antenna, or
the RF cable is damaged, disconnected or for other reasons, the receiver failed to
receive satellite signals;
3. Antenna short circuit: due to antenna failure, short circuit of the receiver's RF
cable connections, or other reasons, the receiver is short-circuit connected with the
antenna, resulting in the receiver can not work properly.
Command format :
antenna 1 Abbreviated ASCII
antennaa 1 ASCII
antennaab 1 Binary
LOG output:
#ANTENNAA,COM1,0,90.0,FINE,1971,298166.000,206353827,206353835
,18;ON,OFF,OFF,0*5dc686b4
Table 8-4: Antenna Message
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