Here is a quick After Action Report from Times Square this past Thursday evening. Obviously security concerns were at a peak after the attempted terror bombing on Christmas Day, so federal frequencies were very busy.
163.7500, N167
164.4000, N001 - USSS PAPA
164.7750, N167
165.2375, 100.0 - DHS CBP
165.9250, N167 - This frequency/NAC was used by FBI at MLB All Star Game at Yankees Stadium.
167.7875, N653 - NYC Federal Interop
167.7875, N94C - Confirmed, multiple transmissions using this NAC.
168.2250, N167 - NYC FBI G1/G2
168.8250, N167 - NYC FBI H1/H2, busiest frequency all night long.
169.7250, N864
170.3750, N167 - NYC FBI G5/G6
170.6250, N167 - NYC FBI C7
170.9000, N167 - NYC FBI, input to 168.8250? Also busy all night.
171.1750, N653 - Possible input to 167.7875
171.1750, N94C - Again, possible input to 167.7875
171.5500, N167
172.1875, N167
172.4250, N167 - NYC FBI B5/B6
173.6625, N167 - NYC FBI A1/A2
173.8125, 167.9 - Analog repeater w/DES
I wasn't able to hear much on the 406-420 federal channels due to interference from local UHF use near my location.
