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Additional Information on the various antenna parameters (ATB states) is shown below:
#
State Name
0
INIT_ST
1
IDLE_ST
2
AZ_SEEK1_ST
3
AZ_SEEK2_ST
4
AZ_SEEK_ELEVATION_ST
5
TR_TUNE_EL_ST
6
TR_TUNE_PLL_ST
7
TRACK_ST
8
BLOCK_ST
9
FREEZE_ST
10
0x0A) TEST_ST
The field at the bottom of the page is true/false indicating whether the antenna is tracking (that is, in states 5, 6, or
7).
The frequency is the frequency of the global beam. Possible values are the primary and secondary frequencies of
the three satellites.
Satellite ID
Satellite Longitude
I4-F1
APAC
I4-F2
EMEA
I4-F3
AMER
Hughes 9350 BGAN Terminal User Guide
State Description
Initial state
Wait for a frequency from the TU
Determine min/max signal levels in a full sky scan
Find azimuth direction
Determine min/max signal levels on a single elevation
Track and tune elevation state
Track and tune PLL state
Track state
Blocked state
Antenna has stopped all motors
Test state
Primary Frequency kHz
143.5 E
25.0 E
98.0 W
Alternate Frequency kHz
1537485
1537920
1537070
1540825
1541115
1540730
27
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