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Old 02-11-2013, 8:21 PM
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Default DC INTEROP (DOJ "25 Cities" Project)

While the RR Database lists "DC I-O 1" and "DC I-O 2" (the only one I've heard activity on is DC I-O 1, 159.150 MHz), I've read on the Monitoring Times blog about three other "DC Interop" frequencies as part of that system. These are

DC I-O 2 N 173.7500 MHz
DC I-O 2 S 168.0875 MHz
DC I-O 2 W 166.7875 MHz

Has anybody heard any activity on these frequencies? Should they be added to the DB?
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Old 02-12-2013, 6:27 AM
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I can only say [my experience during the 2009 Inaugural] that I heard
159.1500 [IO-1] and 168.8750 [IO-2] YMMV

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Originally Posted by KF4ZTO View Post
While the RR Database lists "DC I-O 1" and "DC I-O 2" (the only one I've heard activity on is DC I-O 1, 159.150 MHz), I've read on the Monitoring Times blog about three other "DC Interop" frequencies as part of that system. These are

DC I-O 2 N 173.7500 MHz
DC I-O 2 S 168.0875 MHz
DC I-O 2 W 166.7875 MHz

Has anybody heard any activity on these frequencies? Should they be added to the DB?
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Old 02-12-2013, 11:16 AM
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I don't think those three have ever been used - that's why they're not in the database. 159.1500 and 168.8750 are used, however.

Dave
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Old 02-25-2013, 11:26 AM
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^Makes sense. I'll put these in my scanner and post on here if I ever see them active.
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