[MilCom] Back Channel

[Mark Kirker]

Ed/Clyde
   Thanks for the info, I figured it was a center freq but not sure

Mark K
Glenville, NY



On Jan 25, 2013, at 3:57 PM, Ed Langworthy wrote:

> Mark, Clyde,
> 
> I can confirm 118.55 is currently in use quite a bit and has been since November.. I hear it everyday. It was originally an 
> overload freq for sector 16 for the 128.2/263.05 pairing. Well, ZBW has had some trouble with the Augusta transmitter (134.95). 
> Flights entering Augusta Sector, over TOPPS and coming in over ALLEX, were having trouble hearing it so they switched on 118.55 as 
> the primary freq for the time being. It has been working out better since it is located in Waterboro, ME. Only recently the 
> Augusta freq 134.95 has been used but not nearly as much as it was before the problem arose.
> 
> 135.95 is NOT a Boston Center freq. I bet they meant to tell him 134.95 which would make sense for that plane to contact either one 
> as they both are handling the same sector at this time.
> 
> Current pairings:
> 118.55/273.45
> 128.2/263.05
> 
> Hope this helps,
> Ed Langworthy
> Gray, ME
> 
> ----- Original Message ----- 
> From: "Clyde" n1bhh at yahoo.com>
> To: MilRadioComms at yahoogroups.com>
> Sent: Friday, January 25, 2013 2:36 PM
> Subject: [MilRadioComms] Re: Back Channel
> 
> > Yes 118.55 is a BACKUP frequency for Boston Center, rarely used. And 135.95 is another rarely used frequency. I suspect since no 
> > reply that the volume was turned down on those.
> >
> >
> > Clyde N1BHH
> > Weymouth, Ma.
> >
> >
> > --- In MilRadioComms at yahoogroups.com, Mark Kirker wrote:
> >>
> >> While on a Southwest flight a few weeks ago I heard the pilot ask Boston Center if a certain ATC controller was working. Boston 
> >> Center told him to contact the controller on a back channel of 118.55 , when no contact was made he advised contact on 135.950. 
> >> Again no contact was made.
> >> Are these Boston Center frequencies or something else?
> >>
> >> Mark K
> >> Glenville, NY
> >>
> >
> >
> >
> >
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