I think I may have found it.
0001h-0101
381.675 cc
381.825
381.975
385.0125
385.2125
385.8875
386.3375
TGs 100, 102, 112, 113, 120, 135 (All voice)
110 sounded like what I heard on 168.925 (P25) in the past, Customs type ops at IAD
100 sounds like it's channel 1 for the Ft. Belvoir FD. I heard "Medic-463 returning".
102 What little I heard sounded like it could be police.