Dear all,

I want to synchronize multiple USRP devices using a GPS antenna. I use a X410. 
Running the example file `./sync_to_gps`, I get the warning that the GPS is not 
locked (ref is locked however). Further, if I probe the GPS module pins, I 
receive the following:

GPS locked? 0
gps enabled? 1
gps alarm? 1
gps warmed up? 0
gps survey? 0

I am wondering, why the GPS alarm PIN is true... I cannot find any information 
on this in the documentation. Interestingly, I get the same results if a GPS 
antenna is NOT connected to the USRP... Plus, the example file prints me a 
GPSDO timestamp. am I missing something entirely fundamental?

Thanks in advance,
Tobias


Barkhausen Institut
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