Independence Day Finds

Here's what I monitored on July 4:

159.1500 [ $653] DC Interop 1
162.2500 [173.8] Capitol Police (Ch. 4)
166.7250 [127.3] Park Police (Ch. 1)
169.2250 [110.9] Capitol Police (Ch. 1)
169.7750 [ $4C5] Park Service - George Washington Parkway
172.4750 [ $4C5] Park Service - Mall
409.0000 [ $447] Disaster Medical Assistance Team (encrypted)
409.0500 [ $447] Disaster Medical Assistance Team (encrypted)
410.8000 [ $201] Federal Protective Service (Ch. 2)
462.4000 [ d226] Red Cross (R)
462.7000 [  97.4] Medical Aid Stations (R)

DC Project 16 Trunked System talkgroups:
1952 National Capital Region
2080 Fire Inspectors
2160 Fire Ops
2176 Medical
2192 Medical Transports
2640 Fireboat
2656 Unified Comm Center 1 (patched with 159.1500)
33584 Department of Health Tac
34576 Department of Transportation
34608 Department of Transportation - Tow Trucks
35536 Emergency Management Agency

DC Project 25 Trunked System talkgroups:
166 Unified Comm Center 1 (patched with 159.1500)
1317 Unknown

Arlington Trunked System talkgroups:
7 Police - North?
8 Police - South?
11 Police - Special Operations Section
26 Police - Patch to 159.1500
39 Fire - "checking hot spots"
40 Fire - Unknown
43 Fire - South Division
44 Fire - North Division
48 Fire - Marshals South Division?
49 Fire - Marshals North Division
57 Police - "suspicious person"
107 Parks - Long Bridge?
109 Parks - Long Bridge?
110 Parks - Long Bridge?
235 Fire - Unknown

Metro Trunked System talkgroups:
50128 Police Tac 4
50192 Police Tac 6
50224 Police Tac 7
57440 Media/Public Relations
58032 Emergency Management?

Joint National Capital Region Trunked System talkgroups:
272 Fire (RDT units)
314 Ft. Myer/Ft. McNair MP
2150 Military Support Units?
2152 Military Support Units? ("Stingray")
22752 NDW Fire Tac 1

STARS Trunked System talkgroup:
6149 Interop Law Enforcement 7