July 4 Monitoring

Here's what I found on July 4:

123.0250 [ CSQ] Helicopters Air-to-Air
159.1500 [NAC 653] DC Interop 1 (patched with Arlington talkgroup 26 and DC talkgroup 59968)
165.5375 [146.2] Capitol Police (Channel 2)
166.7250 [127.3] Park Police (Channel 1)
169.2250 [110.9] Capitol Police (Channel 1)
169.7750 [NAC 4C5] Park Service - George Washington Parkway (R)
170.5125 [NAC 4C5] Park Service (R)
172.4750 [NAC 4C5] Park Service (R)
173.5250 [167.9] Capitol Police - Specialized Teams
462.3750 [ 88.5] Red Cross - DC
464.7500 [146.2] Red Cross - Arlington (R)

DC talkgroups:
2160 JHAT
2640 DCFD Fireboats
2672 Unified Communications Center?
2752 DCFD (encrypted)
9840 DCFD Mall Command
16656 MPD SOD
18288 MPD SOD Alternate
20800 MPD Harbor Patrol
33872 Emergency Management Agency
35536 Emergency Management Agency
36688 Medical Bike Teams/Carts
59968 Emergency Operations Center (patched with Arlington talkgroup 26 and 159.1500 [NAC 653])
59984 may be unrelated - discussing illegal gambling

Arlington County talkgroups:
14 SWAT Command
26 Interop (patched with DC talkgroup 59968 and 159.1500 [NAC 653])
36 Fire Command
135 Coordination 1
136 Coordination 2
137 Coordination 3

STARS talkgroup:
6149 Virginia State Police - Traffic Control (dispatcher used callsign WRA534)

Metro talkgroups:
50128 Transit Police Tac 4 (talking about media setting up)
50224 Transit Police Tac 7 (crowd control at unknown station)
50256 Transit Police Tac 8 (crowd control at Smithsonian station)