DC INTEROP (DOJ "25 Cities" Project)

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KF4ZTO

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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?
 

ecps92

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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

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?
 

dtscho

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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
 

KF4ZTO

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Virginia
^Makes sense. I'll put these in my scanner and post on here if I ever see them active.
 
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