[TowerTalk] Proximity to broadcast television transmitters

[Pete Stark K4OM]

Steve:

In our area (the one you are asking about), Channel 3 is now on uhf 23, 13 
is still on 13 and 33 is on 34.  There should be no problems on any HF band 
up on the ridge.  No problems on VHF either.   I am very familiar with the 
33/34 operation (31 years) and have a working knowledge of the others.  All 
stations on the ridge are now digital and none have any analog still on.



Pete K4OM



----- Original Message ----- 
From: "Brian Gieryk" <ke6iyc at mac.com>
To: "Steve" <steve65 at suddenlink.net>; <towertalk at contesting.com>
Sent: Thursday, July 23, 2009 1:11 PM
Subject: Re: [TowerTalk] Proximity to broadcast television transmitters


> Being a transmitter engineer for Fox television, Los Angeles (CA), I
> can tell you unequivocly YES, they can be an issue.
>
> What you need to know are the RF channel, Power level (ERP), and
> distance (directionl vs. non directional antenna info would be helpful
> also)
>
> This information is available in a few places, check the FCC website,
> the individual stations public file, and call the stations, ask for
> the engineering department (alot of TV engineers are hams, and should
> be happy to help)
>
> Best of luck, and keep us updated!
>
> Brian
> KE6IYC
>
>
> On Jul 23, 2009, at 10:05 AM, Steve wrote:
>
>> I'm looking at a possible new QTH near some television broadcast
>> transmitter sites. I estimate they would be a mile or more distant
>> from
>> the property I'm considering. I set out to determine the exact
>> distance,
>> but couldn't locate the TV transmitters on google maps. Wonder where I
>> can find the latitude and longitude of a broadcast television
>> transmitter?
>>
>> Do broadcast television transmitters present any issues for nearby
>> amateur HF operations? For 6 or 2 meter operation? Do the TV
>> transmitters make transmitter noise or other spurious emissions that
>> might interfere with reception of weak signals on the amateur bands?
>>
>> The television broadcast stations with which I am concerned transmit
>> on
>> channels 3, 13 and 34. The respective web sites indicate these
>> stations
>> have made the transition to digital broadcasting. I poked around on
>> the
>> internet a bit but didn't come up with the actual transmitting
>> frequencies for those DTV channels.
>>
>> Thoughts or advice?
>>
>> Thanks.
>>
>> Steve K8JQ
>>
>> -- 
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>>
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