Best way to monitor ISP along I-35

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Freqed

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Do the DPS freq's provide the best way to catch ISP traffic as I pass through Iowa?
Thanks
 

Radioman96p71

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Yes, program in 155.640, 155.655, and 155.565 your scanner and you will hear all 3 DPS frequencies used in the state.

There are 4 tones in use as well but if you are just passing thru that's not critical.
 

Freqed

I'm just a listener
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Broken Arrow
Yes, program in 155.640, 155.655, and 155.565 your scanner and you will hear all 3 DPS frequencies used in the state.

There are 4 tones in use as well but if you are just passing thru that's not critical.
Thanks, I will give that a go.
 

w0fg

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Decorah, IA
You might want to add the LEA frequencies, 155.685, 155.700, & 155.790 in as well.
 
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