I listen to :
156.8 - Calling and Distress
157.050 21a- USCG
157.10 22a- USCG
157.15 23a- USCG
173.100 USCG mostly encrypted but some stuff is in the clear in p25
173.5375 USCG mostly encrypted but some stuff is in the clear in p25
On 21 and 23 I do hear alot of USCG aircraft that come through the area....