The problem is that they are switched manually. I've got a pair of DPDT
relays NC thru and pulled preamp engaged, for VHF and another pair for
UHF. Wish I could do it your way. Need some sort of weatherproof enclousre
as I'm in el89 central Florida.
On Wed, Sep 18, 2013 at 5:56 PM, <n8de@thepoint.net> wrote:
> How about putting the preamp up on the mast, just above the lower antenna?
> That way, the ONLY coax going down past the tower-top is a single run to
> the preamp. You could affix the coax from the two antennas ABOVE the
> preamp, moving the loops of cable away from the tower-top.
>
> 73
> Don
> N8DE
>
>
> Quoting Lizeth Norman <normanlizeth@gmail.com>:
>
> Up that is!
>>
>> Hi All!
>> I've got a 20' stick of Rohn 25 with a Yaesu 5600b (split with the az in
>> the tower on a Rohn plate and the el up on a mast) rotating a pair of M2
>> antennas. Installed with the antennas are a pair of frames to route the
>> cables from the antennas to the cross mast.
>>
>> This feeds a box where the preamps are housed, about 3' down the tower. My
>> problem is that the loops from the crossarm to the have in the past gotten
>> hung up.
>>
>> The tower is on a Rohn tilt base. When it goes up the next time, I'd like
>> it to be for a while. Do love playing with satellites, but the up and down
>> with the tower is a pain.
>>
>> Suggestions, comments and photos appreciated!
>> Norm n3ykf
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>
>
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