Friday, August 25, 2006

Federal Interoperability - Updated

Some new federal interoperability frequencies have become active in the Lone Star state recently.

170.7250 MHz, P-25 is known as "Dallas East" in the DFW Metroplex,
171.4375 MHz, P-25 is known as "Dallas West".

The same frequencies have been heard in the Houston area, but they were called "L-1" and "L-2".

I've also received information that the 171.4375 MHz frequency is used as a federal interop channel in the Philadelphia area. It is referred to as the "FIO" channel.

Anyone else hearing activity on either of these frequencies?

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