In the January 2007 Fed Files, I mentioned the Justice Department's "25 Cities Project". Basically the program focuses on 25 major US cites and helps plan and provide radio interoperability between federal and local radio systems. You can find some very informative downloads at the project’s web site:
http://www.ojp.usdoj.gov/nij/topics/commtech/25cities/
(NOTE: It appears that the DoJ has moved all the 25 Cities downloads behind a login page. However you can do a search for "Department of Justice High Risk Metropolitan Area Interoperability" and you should still find access to all of the individual PDF files for each city.)
I have recently received some additional frequencies that may be part of the 25 Cities Project. Here are a list of what I have so far. If you have anything to add, please let us know!
Chicago
168.8875 - P25 repeater
168.9125 - P25 repeater
170.8125 - P25 repeater
171.4375 - P25 repeater
171.6875 - P25 repeater
172.2125 - P25 repeater
Dallas / Ft. Worth
170.7250 MHz - P25 repeater "Dallas East"
171.4375 MHz - P25 repeater "Dallas West"
Houston
170.7250 MHz - P25 repeater "L-1"
171.4375 MHz - P25 repeater "L-2"
New York City
167.7875 MHz - P25 repeater
Philadelphia
171.4375 MHz - P25 repeater "FIO"
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