[TowerTalk] Single Tower, All Band Solution ?

Pete Smith n4zr at contesting.com
Fri Jan 22 02:20:38 PST 2010


One thing to be careful of, particularly if you buy one used - a friend 
of mine had a T-10 up for about 10 years in Massachusetts, and when he 
took it down for a move, he discovered that the boom was full of fatigue 
cracks, and he was advised by a pro to send it to the  scrap heap rather 
than try to repair it.  His situation may have been particularly hard on 
antennas, but....

73, Pete N4ZR
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On 1/21/2010 10:22 PM, Gene Fuller wrote:
> Unless you're seriously shooting for the top of the pile, hard to beat an
> LP. One rotator, one feedline, no traps. Put your money into making it high
> instead of making it big. Keep the load down and put a 40 m dipole ten feet
> above it. Yes, you do have some compromises in gain and F/B with an LP, but
> if you want to include the WARC bands, by the time you try to cram five to
> seven bands on one boom you'll be stuck with a bunch of compromises, more
> aluminum, probably traps, etc...... I love my 7-60 MHz LP. The only thing
> that might burn out or get filled with water or bugs is the balun. I
> designed mine for 200 ohms and ran some 200  ohm "open wire" (made of 1/4"
> cu tubing) from the feedpoint back to the mast/balun to keep it within
> reach. In use for 10 years with no problems.
> Gene / W2LU
>
> ----- Original Message -----
> From:<brahmangou at aol.com>
> To:<towertalk at contesting.com>
> Sent: Thursday, January 21, 2010 9:23 PM
> Subject: Re: [TowerTalk] Single Tower, All Band Solution ?
>
>
>    
>> You need to take a look at the Tennadyne T-8 log periodic. I have 8 towers
>> and have run most every antenna design at one time or another and it is
>> one
>> of  my favorites. 5 bands, cw to ssb (try that with a trapped antenna),
>> instant band  switching, no matching network, light and really low cost.
>> 73,
>> AB5GU
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