On Fri, 11 Jun 2010, skipp025 wrote:
> Keep in mind the DDRR Antenna is a reduced size vertical polarized 
> antenna and the Squalo & Ho-Loop are normally considered full or 
> standard size loop type antennas that are horizontally polarized.

> DDRR Antenna mounted on a tower?  Only if there were no other 
> decent options.    Maybe, but I've never run into that situation. 

That would definately earn you the "hammie" award, which is a downward 
look from the commercial guys.

Also, DDRRs are notoriously touchy about the local environment and 
tuning. Expect a 500KHz wide 2:1 and if anything changes within a 
wavelength or less of the antenna, it's tuning will change.

In short, it's an antenna best used as a mobile, where you're likely to 
be able to keep it in tune.

--
Kris Kirby, KE4AHR
Disinformation Analyst

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