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I can get to the centre points and will check them out with Autek RF analyst. For CW end Force 12 advises driver at 7030 and reflector at 6930. This latter sounds a bit high to me, but assume it OK. 73 end Barry Kirkwood PhD ZL1DD Signal Hill Homestay 66 Cory Road Palm Beach Waiheke Island 1240 NEW ZEALAND www.waiheke.co.nz/signal.htm ----- Original Message ----- From: Pete Smith <n4zr@contesting.com> To: Barry Kirkwood <bjk@ihug.co.nz>; <force12talk@qth.com> Sent: Monday, 05 March, 2001 4:43 AM Subject: Re: [Force 12 Talk] C4SXL > Hi Barry - the only way to handle tuning the 40m elements properly is to > resonate them separately, preferably while individually suspended >20 feet > above the ground. Details on the old Force 12 web page under tech notes. > It is useful to keep in mind that the resonant frequency is determined by > the jumpers, while the hairpin does impedance transformation only (though > there may be some interaction). > > 73, Pete N4ZR > Contesting is! > > The World Contest Station Database > is waiting for your input at > http://www.qsl.net/n4zr > > > > > -------------------------------------------- > Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. > Force 12 Web site: http://www.qth.com/force12 > > Submissions: send to Force12Talk@qth.com > To unsubscribe: send a blank e-mail to Force12Talk-leave@qth.com > Force12Talk Message Archive: http://www.qth.com/force12/list/force12talk > For problems with the list, contact n4zr@qth.com > > > -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force 12 Web site: http://www.qth.com/force12 Submissions: send to Force12Talk@qth.com To unsubscribe: send a blank e-mail to Force12Talk-leave@qth.com Force12Talk Message Archive: http://www.qth.com/force12/list/force12talk For problems with the list, contact n4zr@qth.com |
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