On 8/13/2010 7:37 PM, Mark Robinson wrote:
> Why don't you put a 2 antenna switch box near the top of the tower and run
> one coax down and to the shack. You can even put the DC down the coax to
> switch the relay box if you don't want to run a DC line to the shack. I am
> putting one of these at the top of my tower to switch between the HF beam
> and a 6m beam.
>
>
> http://www.arraysolutions.com/Products/dualfeed.htm#top%20of%20page
>
Too vulnerable to lightning, at least around here.
I decided to keep all remote switches below the first set of guys which
is just about right for the feed to the half wave slopers.
73
Roger (K8RI)
> Mark N1UK
>
>
> ----- Original Message -----
> From: "Its from Onion"<aredandgold@msn.com>
> To:<towertalk@contesting.com>
> Sent: Friday, 13 August, 2010 7:00 PM
> Subject: [TowerTalk] OTQ -
>
>
>
>> Hey guys, I know this is a bit off topic but your learned thoughts please.
>>
>> Equipment-
>> Rohn 25 50 feet high with house bracket at 28 feet
>> M2 40m 3 element survivor beam twisted with a Ham IV
>> DOM mast 18 feet tall with rotor at bottom of A3 top section leaving 9 ft
>> on top
>> BTW- it works people so please no comments about 'next big wind' as I've
>> already had them
>> and Rohn towers are FAR STRONGER than you think.
>>
>>
>> Proposed-
>> Add a Mosley CL-33 on top of M2
>>
>>
>> Questions-
>> The antennas react to the frequencies sent them. If you send a 10m signal
>> to the Mosley
>> you get zip out of the 15 an 20m parts.
>>
>> With that in mind, what would happen if you directly connected the 40 and
>> the 10-15-20
>> antenna together on one coax?
>>
>> My thought is that the 'antenna system' would only react to the
>> frequencies feed it.
>> Yet I'm sure that is to simplistic of reasoning.
>>
>> So, run 2 coax's 125 feet back to shack and switch them there?
>>
>> Thanks everybody in advance!
>>
>> Lee
>> KE4VYN
>>
>>
>> _______________________________________________
>>
>>
>>
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