6 meter interference - channel 03

Wed Mar 23 06:14:20 AKST 2005

What interference and why?  is it a component issue or airwave environment 
issue? Many of us are and have been using the Ham frequencies for years.

         Del

    ----- Original Message ----- 
From: "dwaynenancy" <dwaynenancy at cox.net>
To: <discussion at nsrca.org>
Sent: Tuesday, March 22, 2005 11:53 PM
Subject: Re: 6 meter interference - channel 03

> JR does not make any radios on 53MHz.  In fact, Horizon is not 
> recommending any 6 meter radios at this time (their technical people) due 
> to interference.  I was considering changing from 72 to 50 but was advised 
> not to do such.  Dwayne
> ----- Original Message ----- 
> From: "Atwood, Mark" <atwoodm at paragon-inc.com>
> To: <discussion at nsrca.org>
> Sent: Tuesday, March 22, 2005 3:32 PM
> Subject: RE: 6 meter interference - channel 03
>
>
> Doesn't JR make 53mhz stuff anymore??  I'm on all Airtronics now, but
> all of my JR stuff was on 53.  We did have a local repeater running on
> 53.8 which caused us some grief until we figured it out, but as you
> said, it was only a matter of coordinating with the hams.  We stayed of
> 53.8 and they were excellent about keeping their equipment in tune.
>
> -M
>
> -----Original Message-----
> From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
> On Behalf Of Paul Horan
> Sent: Tuesday, March 22, 2005 4:04 PM
> To: discussion at nsrca.org
> Subject: Re: 6 meter interference - channel 03
>
> Bill,
>    I have not tried a set of headphones.  What would I hook them up to
> ?
> I do not have a 6 meter rig to monitor the frequency with, I guess that
> is
> one possibility.  Or I could scavange an old receiver, add a diode
> detector
> and put some headphones after that.  My good receivers are pcm and fm.
>    If it is a ham, probably all I have to do is coordinate with him.
> I'm more
> concerned if it is a CBer overmodulating and running a linear.
>    Too bad noone makes any 53 Mhz modules and recievers.
> Thanks,
> Paul
> ----- Original Message ----- 
> From: "Bill Glaze" <billglaze at triad.rr.com>
> To: <discussion at nsrca.org>
> Sent: Tuesday, March 22, 2005 2:43 PM
> Subject: Re: 6 meter interference - channel 03
>
>
>> Interesting.  I wrote earlier today about flying about 300 yds. from a
>
>> 2000 ft. antenna.  I flew on 6 meters, until recently (need to get my
>> license renewed), and never had a hit.  Mostly on ham band 04, 03, and
>
>> some on 53.1; I'll have to take a look at my collection of modules and
>
>> see if I have anything below 51 MHz.  Of course, the 50-50.1 custom on
> 6
>> meters as a set-aside for CW only, is just a "gentleman's agreement"
> and
>> is not a law.  Still, most seem to abide by it; but there's always a
> guy
>> or 2 that doesn't get the word.  Have you been able to hook up a set
> of
>> headphones to check and see if you can hear anything?
>>
>> Bill Glaze
>>
>> Paul Horan wrote:
>>
>>> Mark,
>>>    What are the frequency allocations for digital tv ?
>>>    I don't think that's what is happening to me but will check into
> it.
>>> Until a couple of years ago I did not have any interference, in the
> last
>>> two years it appears to have been getting worse.  Almost lost my
>>> Prophecy yesterday.
>>>    I am aware of the TV channel 2 problem, when I lived in Houston
>>> the local ch 2 had such bad lower sideband suppression that hits on
>>> 6 meters were a way of life.
>>> Thanks,
>>> Paul
>>> ----- Original Message ----- From: "Atwood, Mark"
>>> <atwoodm at paragon-inc.com>
>>> To: <discussion at nsrca.org>
>>> Sent: Tuesday, March 22, 2005 10:12 AM
>>> Subject: RE: 6 meter interference - channel 03
>>>
>>>
>>>> Digital Tv.  Local channel 02 has basically wiped out our 53mhz band
>>>> completely.  The FCC and the station are both aware that they're
>>>> broadcasting outside their boundries, but given the aggressiveness
> with
>>>> which they want Digital TV up and running, the FCC has stated that
> they
>>>> will be lenient for a period of time to get things in order.  The
>>>> station has been forthcoming with admitting that their bleeding
> over,
>>>> but have yet to invest in the equipment needed to prevent it. It'll
>>>> probably be a few years I'm told.
>>>>
>>>> Not sure if the same could be happening to 50mhz...  But that's the
>>>> story on the 53 bands here.
>>>>
>>>> -Mark
>>>>
>>>> -----Original Message-----
>>>> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]
>>>> On Behalf Of Paul Horan
>>>> Sent: Tuesday, March 22, 2005 10:31 AM
>>>> To: discussion at nsrca.org
>>>> Subject: 6 meter interference - channel 03
>>>>
>>>>    I am getting interference on Channel 03 , 50.86  Mhz.  The 50 mhz
>
>>>> rc frequencies are in the CW portion 50-50.100 6meters.  My symptoms
>
>>>> were a few holds, plane did no fly smoothly, and 2 failsafes
>>>> - low throttle.
>>>> Any ideas what are the best channels on 6 meters to stay away from
>>>> interference ?  Of course, one
>>>> solution is to go to the regular RC freqs.
>>>>    Any ideas if this interference can be due to some other cause ?
>>>> ThanksPaul Horan
>>>> KC5NF
>>>> AMA 57131
>>>> NSRCA 3606
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