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Total 126 documents matching your query.

121. Re: Topband: 160 m inverted L (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 8 Nov 2016 18:10:42 -0800
Makes sense Rob. Probably a good approach is to find the capacitance needed and use fixed vacuum caps in lieu of a vacuum variable. Then we have a bullet proof feed sys. Fixed vac caps are plentiful
/archives//html/Topband/2016-11/msg00047.html (9,768 bytes)

122. Re: Topband: Hi Gain Preamps, Noise Figure Comparison (KD9SV 994 x5, W1FB, W7IUV preamps) (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 8 Nov 2016 19:15:37 -0800
Don, Thanks for sharing your research on the preamps. Very informative. Your study is very timely for me. I have ordered DX Engineerings new phasing box, NCC-2. Optional plug in preamps are available
/archives//html/Topband/2016-11/msg00051.html (10,718 bytes)

123. Re: Topband: 160 m inverted L (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 9 Nov 2016 07:48:21 -0800
thanks Rob, The best I can do in my situation is 10 feet high for the 160M elevated radials. A far cry from 50 feet :-( I will work on maximizing the size of my ground screen under the inverted L. Ho
/archives//html/Topband/2016-11/msg00054.html (9,376 bytes)

124. Re: Topband: 160 m inverted L (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 9 Nov 2016 16:07:45 -0800
David, Thanks for sharing the study. I am trying to digest it. Need to go through it again. He says: " There is an optimal height for an elevated groundplane, that height is not at ground zero, and i
/archives//html/Topband/2016-11/msg00063.html (13,518 bytes)

125. Re: Topband: K3 NOISE ONLY ON 160m (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Fri, 11 Nov 2016 10:18:10 -0800
Bill, Thanks for sharing this. Good to know ! I think I will order the replacement gold plated pins and install them the next time I need to "go under the hood" Bob K6UJ On 11/11/16 9:58 AM, Bill and
/archives//html/Topband/2016-11/msg00072.html (8,625 bytes)

126. Re: Topband: Noise sources in general (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Fri, 18 Nov 2016 16:31:17 -0800
We all have our own unique noise situation. I am also lucky like Bruce and my noise is centered in one direction. My DX engineering NCC-1 makes it all go byebye. My problem is I dont have enough real
/archives//html/Topband/2016-11/msg00135.html (9,624 bytes)

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