COBHAM SAILOR 60 GX, Installation Manual

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Heading input and position system
6-6 Chapter 6: Configuration 98-148248-C
Without heading input and not fixed heading (Gyro-free)
1. A box search pattern is started and the positions with reception of RF power are
checked for up to 10 seconds. If RX lock is detected for more than 20% of the time, the
antenna goes to Tracking.
Acquisition time
Figure 6-5: Acquisition, search pattern in gyro-free mode
Activity
Inclination
0°
Inclinatio
n 1°
Inclinatio
n 2°
Inclinatio
n 3°
Inclinatio
n 4°
Initial search 10 s 10 s 10 s 10 s 10 s
Scan box pattern 5 s 10 s 15 s 25 s 30 s
Validate result
(10 s per result) 10 - 30 s 10 - 30 s 10 - 30 s 10 - 30 s 10 - 30 s
Max. total time 25 - 45 s 30 - 50 s 35 - 55 s 45 - 65 s 50 - 70 s
Table 6-2: Acquisition time
+0.7°
0.0°
-0.7°
400° Long time