[BC] anybody else seeing glitches from AMC-8 ? update

[W2XJ]

On 5/4/08 10:55 AM, "Ronald J. Dot'o Sr." <ron.doto at comcast.net> wrote:

> Back in the 50's through the 70's there was an FPS-35 over the horizon
> radar at Selfridge AFB/ANGB, MI. It had a massive horizontal orange
> peel antenna on a 4 story building and megawatts of peak power.
> Everywhere in the Mt. Clemens, MI area you would hear a BZZZZZZZZT
> from the prf every 11 seconds as it rotated.  It was in the phones, AM
> radios, even the local dragstrip PA system!  I think the carrier was
> in the 440 Mc range but you'd hear it in my HF receivers and MF
> radios.  It interfered from just brute strength and you couldn't
> suppress it no matter what you did, other than turn the set off.
> People learned to live with it I guess.  They finally decommissioned
> it around '73.
> 
> Ron D
> 
> 
> ----- Original Message -----
> From: "Craig Healy" <craig.healy at hotmail.com>
> To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
> Sent: Sunday, May 04, 2008 07:14
> Subject: Re: [BC] anybody else seeing glitches from AMC-8 ? update
> 
> 
>>> we have never seen an AWACS in these parts (90 miles N of St.
>>> Louis)
>> 
>> At the 550 station in Providence around 1975, we had a periodic
>> "bzzZZZzztt"
>> in the production room speakers.  Roughly a ten or fifteen second
>> interval,
>> IIRC.  That did turn out to be an AWACS-type aircraft.  Gradually
>> increased
>> in volume and then decreased.  So, it's not just digital signals
>> that get
>> interference.  It was a rather old RCA console and
>> well-shielded/grounded.
>> Sometimes a wire is just positioned to act as an efficient antenna,
>> I guess.
>> 
>> A couple of years ago in Newport, RI at one of the festivals, the
>> remote
>> broadcast equipment for one of my clients had a similar problem.
>> This time
>> it was caused by a Navy ship in the harbor.  We could see the
>> antenna turn
>> and the noise was timed with the rotation.  The ship was leaving,
>> and the
>> noise left with the ship.
>> 
>> Craig Healy
>> Providence, RI
>> 
>> _______________________________________________
>> 
>> The BROADCAST [BC] list is sponsored by SystemsStore - Your Premium
>> Supplier Of Components To Build and Maintain A Technical
>> Infrastructure
>> www.SystemsStore.com       Tel: 407-656-3719
>> Sales at SystemsStore.com
>> 
> 
> _______________________________________________
> 
> The BROADCAST [BC] list is sponsored by SystemsStore - Your Premium
> Supplier Of Components To Build and Maintain A Technical Infrastructure
> www.SystemsStore.com       Tel: 407-656-3719    Sales at SystemsStore.com