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Railroad/Railfan Monitoring Forum - This is the place to discuss monitoring railroad communications.

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  #41 (permalink)  
Old 01-02-2018, 1:12 AM
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Originally Posted by timkilbride View Post
I'm well over 200 frequencies in mine. I have almost 200 alone in my RAILROAD system. I'm guessing I have somewhere around 500 frequencies loaded into mine and no where close to done programming it.

Tim
Talk about holy thread resurrection Batman!

That is a lot of railroad frequencies. Or are you programming in random stuff form your county as well?
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  #42 (permalink)  
Old 01-02-2018, 8:45 AM
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Qutoe"
Radio repair was told the "clean cab" term meant the radio had detailed audio / mic fitering to combat background / closed space noise that was common in the locomotive cab.

Not really, Clean Cab meant that there were no dangling wires, no mic cord, no external speaker a totally enclosed self contained complete radio with power supply for operation in a locomotive cab. Options were another control head for the Fireman and although not needed handsets.

The AAR format goes back to the 40's as you can take any AAR compliant radio and plug it in to a AAR round connector and it will work. I tried this a few years ago when I bought at Dayton a Mot Motran hooked it up to our AAR shop test jig and it worked perfectly.

There has been a lot of RR's and commuter rail agencies that had gone back to 2-way radios mounted in cabs. Definitely a lot cheaper and since most CC radios are just 2-way radios in a box works just fine.
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