In case you're wondering what's in the log...
10:48:10 -0400 DST [clm] disconnect: duration=0;cause=kNoError;modemErr=1011;rat=1001
10:50:47 -0400 DST [clm] disconnect: duration=0;cause=kNoError;modemErr=1011;rat=1001
12:03:59 -0400 DST [clm] disconnect: duration=0;cause=kNoError;modemErr=1011;rat=1001
14:03:51 -0400 DST [clm] disconnect: duration=2898;cause=kNoError;modemErr=25;rat=3
14:40:49 -0400 DST [clm] disconnect: duration=131;cause=kNoError;modemErr=1008;rat=1001
15:25:57 -0400 DST [clm] disconnect: duration=0;cause=kNoError;modemErr=1011;rat=1001
18:46:59 -0400 DST [clm] disconnect: duration=339;cause=kNoError;modemErr=1007;rat=1001
It's logging every disconnect, with parameters associated with the disconnect, as well as associated tower data. Tomorrow should be fun. Fingers crossed for my phone to drop... a lot.