[MilCom] 11.175 Wierdness (HF)

jay dehmmy.qth at gmail.com
Mon Nov 13 11:45:36 EST 2006


They are supposedly upgrading their HF-GCS system. Probably some kinks
need to be worked out...

jay

On 11/13/06, Ted <tandkmoran at comcast.net> wrote:
> It continues today with many reports of garbled and non-readable comms, off
> freq transmissions, etc. Final gone bad?
>
> -Ted
>
> ----- Original Message -----
> From: "jay" <dehmmy.qth at gmail.com>
> To: "MilCom" <milcom at mailman.qth.net>
> Sent: Sunday, November 12, 2006 4:26 PM
> Subject: Re: [MilCom] 11.175 Wierdness (HF)
>
>
> > Ted, list,
> >
> > I noticed the exact same thing here in Washington, DC. When I tune to
> > 13200 kHz I hear echoes. I jump from 11175 and then immediately switch
> > 13200 and a second later I hear the delayed simulcast. It's not just
> > you. I know this because the center voice frequency keeps changing
> > within a minor shift probably due to the atmospheric shift. What
> > doesn't make sense is it does this consistently. In addition, it
> > doesn't do this on the lower HF-GCS frequencies (usually the ones
> > below 8992). Strange.....
> >
> >
> > Jay
> >
> > --Washington, DC--
> > [ 15mi. from Andrews ]
> > ---------------------------------------------------
> >
> > On 11/12/06, Ted <tandkmoran at comcast.net> wrote:
> >> Has anyone else noticed the USAF ground network on 11.175 (mostly Offutt
> >> & Andrews) seems to be having some frequency stability problems? At first
> >> I thought it was my aging R71, but it seems fine on adjacent channels.
> >> Their signals seem to jump up and down between 200 Hz and 1 Khz about
> >> every 20 seconds when the big transmitters are running. Anyone else
> >> hearing it - or, is time for a new radio? Heck, probably time for a new
> >> radio anyway - several, in fact! Happy Scanning! - Ted


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