dc interop

  1. KF4ZTO

    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...
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