Hi,
Since we started testing the new nRF9151 with the latest modem firmware (v2.0.1), we’ve noticed a change in GNSS behavior compared to the nRF9161/v1.3.6.
Recently, the number of tracked satellites increases rapidly to a high value, only to drop significantly after some time. I can observe this regularly. The previous behavior was a more gradual increase or decrease in the satellite count.
[00:06:18.570,495] <inf> 0 s - Tracking: 0 C/N0>0: 0 Using: 0 Unhealthy: 0 [00:06:19.561,187] <inf> 0 s - Tracking: 9 C/N0>0: 4 Using: 0 Unhealthy: 0 [00:06:20.563,323] <inf> 1 s - Tracking: 10 C/N0>0: 6 Using: 0 Unhealthy: 0 [00:06:21.563,720] <inf> 2 s - Tracking: 11 C/N0>0: 7 Using: 0 Unhealthy: 1 [00:06:22.590,637] <inf> 4 s - Tracking: 11 C/N0>0: 11 Using: 0 Unhealthy: 1 [00:06:23.592,681] <inf> 5 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:24.592,468] <inf> 6 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:25.591,766] <inf> 7 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:26.592,834] <inf> 8 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:27.593,963] <inf> 9 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:28.593,811] <inf> 10 s - Tracking: 11 C/N0>0: 11 Using: 2 Unhealthy: 1 [00:06:29.622,528] <inf> 11 s - Tracking: 11 C/N0>0: 11 Using: 4 Unhealthy: 1 [00:06:30.575,012] <inf> 12 s - Tracking: 2 C/N0>0: 2 Using: 2 Unhealthy: 0 [00:06:31.572,875] <inf> 13 s - Tracking: 2 C/N0>0: 2 Using: 2 Unhealthy: 0 [00:06:32.594,818] <inf> 14 s - Tracking: 4 C/N0>0: 4 Using: 2 Unhealthy: 0 [00:06:33.583,129] <inf> 15 s - Tracking: 4 C/N0>0: 4 Using: 3 Unhealthy: 0
Is this expected behavior, or could there be an issue somewhere?
nRF Connect Version: 2.6.1
Best regards,
Markus
