https://devzone.nordicsemi.com/f/nordic-q-a/77174/gps-snr-test-on-custom-boardHi , We have a custom hardware with an Active GPS Antenna (that is connected to the main board with u.fl connector). I ran the GPS SNR command to test the performance of our device and got the following: The SNR is negative for us instead ofen-USTelligent Community 13Wed, 07 Jul 2021 18:02:39 GMThttps://devzone.nordicsemi.com/thread/319031?ContentTypeID=1Wed, 07 Jul 2021 18:02:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:223f9438-6678-435b-8d89-3f457101031eStratosphere<p>This requires a GPS signal generator for the reference. Understood!</p><div style="clear:both;"></div>