Re: Topband: RDF in the real-world

2016-03-04 Thread donovanf
problem to the responsible person. 73 Frank W3LPL - Original Message - From: "Lee STRAHAN" To: "JC" , "160" Sent: Friday, March 4, 2016 6:00:23 PM Subject: Re: Topband: RDF in the real-world Hello JC and others, I must take a little issue on bein

Re: Topband: : RDF in the real-world

2016-03-04 Thread JC
>that a BOG antenna is a tuned circuit not a traveling wave antenna. < Hi Bruce, I am missing something here, can you elaborate on that statement? 73 JC N4IS _ Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: RDF in the real-world

2016-03-04 Thread Lee STRAHAN
to:topband-boun...@contesting.com] On Behalf Of K1FZ-Bruce Sent: Friday, March 04, 2016 10:02 AM To: Carl Luetzelschwab ; topband@contesting.com Subject: Topband: RDF in the real-world I agree. There are times, especially in disturbed condx, when my BOG antennas are "head and shoulders"

Topband: : RDF in the real-world

2016-03-04 Thread K1FZ-Bruce
IV3PRK at HC1PF with the help of friends  proved with extensive research and modeling,  that a BOG antenna is a tuned circuit not a traveling wave antenna.   Please see the IV3PRK   research and modeling links at the bottom of my BOG antenna page   www.bogantennanotes.html   73 Bruce-k1fz    

Re: Topband: RDF in the real-world

2016-03-04 Thread JC
...@contesting.com] On Behalf Of K1FZ-Bruce Sent: Friday, March 04, 2016 10:02 AM To: Carl Luetzelschwab ; topband@contesting.com Subject: Topband: RDF in the real-world I agree. There are times, especially in disturbed condx, when my BOG antennas are "head and shoulders" better than my othe

Topband: RDF in the real-world

2016-03-04 Thread K1FZ-Bruce
I agree. There are times, especially in disturbed condx, when my BOG antennas are "head and shoulders" better than my other antennas.   73 Bruce-K1FZ www.qsl.net/k1fz/bogantennanotes.html       I can't vouch for JC's numbers (his numbers may be QTH specific), but the concept is believ

Topband: RDF in the real-world

2016-03-04 Thread Carl Luetzelschwab
Rick N6RK said: > In this webinar, it was asserted (without explanation) that > for every 1 dB increase in RDF, you get 1.5 to 2.0 dB > improvement in S/N ratio. I've never heard that before > and don't even see how it makes sense. Actually, I don't > even know how you can make generalizations l