w9inn antenna for 160, 80,40M

Andre Kesteloot andre.kesteloot at verizon.net
Sat May 19 17:19:10 CDT 2007


If you go to


you will find the call-signs of several Hams (including N0RQ) who 
reviewed W9INN's antennas and after buying them
They might thus be able to help you


Richard Cramer wrote:
> Hello, to all of those not in Dayton,
> Does anyone on the list have one of Bill's, W9INN now a SK, antennas 
> for any of the combinations in the subject line (160, 80, 40M) for 
> sale, loan, or could measure:  the antenna overall length, each leg 
> length, measure the resonator form OD, and the number of turns and 
> wire size.  Better yet would be the unconnected inductance and 
> impedamce of each resonator.  I would not expect anyone to unconnect 
> the resonators and make the measurements if they are using the 
> antenna, but sometimes people have a lot of time on their hands or are 
> bored.  :-)
> If anyone has one of these antennas and wants to keep it for possible 
> use at a later time, I would be more then happy to borrow the antenna, 
> pay the shipping both ways, and make the measurements here.  I really 
> will return the antenna.
> Why am I doing this?  There is no documentation available as how Bill 
> built his antennas.  The resonators which look traps only look like 
> traps, there is no discrete capacitor in the resonator.  Additionally, 
> the resonators are not resonant on the bands as one would expect.  
> There are many hams that would like to build these antennas which can 
> run the legal power limit, and I propose to write the research we do 
> and make it available to the ham population for any that are interested.
> 73.
> Dick  /KY2E
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