Fw: [MilCom] Army low VHF FM question

Sheldon Daitch sdaitch at mor.ibb.gov
Wed Aug 23 12:33:29 EDT 2006


Maybe "both" frequencies are correct, perhaps neither is actually correct.

My recollection was the tone squelch for
the older equipment was 150 Hz. 

I found at least one reference to back this up:

http://www.kpjung.de/tasker1.htm

Also see:

http://www.pacificsites.com/~brooke/PRC68Stry.shtml


73
Sheldon

Larry Van Horn, N5FPW wrote:

>Hey Dan and Mac,
>
> Sorry to disagree Mac, but the short answer is no -- 151.4 Hz is not the
> only PL tone used by DoD in the VHF low band. It is the most common, but
> definitely not the only one. Case in point, during an opening earlier this
> year into the NE I had an unknown DoD range control on 31.450 MHz using
> 146.2 Hz PL. I have numerous other examples I have uncovered over many 
>years
> of monitoring skip. 151.4 Hz will get a lot but definitely you will miss
> quite a bit of activity.
>
> 73 de Larry
>
>
>
>  
>
>>-
>>
>>    
>>
>>>Can anyone confirm that ALL army units
>>>use subaudible tone on their low VHF FM
>>>and if any tones other than 151.4 are in
>>>use?
>>>
>>>I'd like to set my scanner up for tone
>>>squelch on these freqs if the above is
>>>true.
>>>
>>>Dan
>>>Apple Valley, MN
>>>
>>>      
>>>
>


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