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References: [ +from:rodenkirch_llc@msn.com: 311 ]

Total 311 documents matching your query.

181. Topband: QRP ARCI Top Band Sprint (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Wed, 27 Nov 2013 07:09:48 -0700
G'day, Boys and Girls!! The QRP ARCI Club is sponsoring a Top Band Sprint this evening (see below for details on times and exchange). I know it isn't a big deal to y'all, Top Band wise - often, it se
/archives//html/Topband/2013-11/msg00363.html (7,735 bytes)

182. Topband: Single antenna port xcvr but want to employ separate receive antenna (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 13 Jan 2014 06:35:30 -0700
Have my vertical working great and have a small Delta-loop low band receive antenna BUT the Ten Tec Jupiter doesn't have a separate receive antenna like a K2, for instance (I borrowed a K2 to try out
/archives//html/Topband/2014-01/msg00093.html (9,063 bytes)

183. Re: Topband: Single antenna port xcvr but want to employ separate receive antenna (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 13 Jan 2014 07:03:22 -0700
Ahhhhhhhhhhh...luv it when K.I.S.S. idea passes by, Tim....I can do that!! So simple, how come I didn't think that solution up!! Much appreciated! Jim R. K9JWV _________________ Topband Reflector Arc
/archives//html/Topband/2014-01/msg00095.html (12,047 bytes)

184. Re: Topband: Single antenna port xcvr but want to employseparate receive antenna (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 13 Jan 2014 07:14:34 -0700
Yup, Doug...I'm already "shopping around" for the relay....hi hi Tnx for the bandwidth, all...I'm ON IT! _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2014-01/msg00097.html (12,944 bytes)

185. Re: Topband: Single antenna port xcvr but want to employ separatereceive antenna (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 13 Jan 2014 09:43:39 -0700
I am nervous as well, Tom...hi Hi I'm really thinking of employing a separate relay that I control with a simple switch, vice depending on the rig to switch "correctly" using a simple switch is antiq
/archives//html/Topband/2014-01/msg00100.html (12,718 bytes)

186. Re: Topband: Single antenna port xcvr but want to employ separate receive antenna (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 13 Jan 2014 09:47:38 -0700
I've used the loop and a KD9SV preamp with the vertical before, JC, and no overload problems ...I run QRP power during Top Band contests. Your cautionary notes are noted and appreciated! Jim R. K9JWV
/archives//html/Topband/2014-01/msg00101.html (14,256 bytes)

187. Topband: To clamp or NOT...that IS the question (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Fri, 17 Jan 2014 10:37:36 -0700
A friend of mine is building me a switching arrangement with a reed relay to switch between my transmit antenna and a receive delta loop to the one antenna input for my Ten Tec Jupiter (I operate at
/archives//html/Topband/2014-01/msg00127.html (10,011 bytes)

188. Re: Topband: To clamp or NOT...that IS the question (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 18 Jan 2014 06:05:13 -0700
Thanks to all for the insightful replies/advice. It would appear the use of clamping FETs is worth a try... 72, Jim R. K9JWV _________________ Topband Reflector Archives - http://www.contesting.com/_
/archives//html/Topband/2014-01/msg00138.html (9,581 bytes)

189. Re: Topband: To clamp or NOT...that IS the question (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 18 Jan 2014 13:04:55 -0700
Oooops - sorta!! Checked the schematic for the KD9SV pre-amp I have and find it does have clamping diodes at the input...DUH.....so, question/problem/concern resolved, in spite of myself!! Hi Hi Tnx
/archives//html/Topband/2014-01/msg00141.html (13,567 bytes)

190. Topband: Nostalgic "openings" (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 18 Jan 2014 13:19:58 -0700
By the bye, the e-mail from Don, WD8DSB, reminded me of an old Globe Scout double side band rig I owned YEARS ago: Globe Sidebander DSB-100: transmitter. It's ad appeared in MAY 58 QST; price $119.95
/archives//html/Topband/2014-01/msg00142.html (11,608 bytes)

191. Re: Topband: Nostalgic "openings" (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 18 Jan 2014 16:17:15 -0700
I had a Viking I as well, Carl....after a couple of months with xtals, purchased a Heathkit VFO kit, put it togwether and was in HOG heaven. Decided to employ a relay so when I hit the VFO transmit s
/archives//html/Topband/2014-01/msg00146.html (14,609 bytes)

192. Topband: Anyone purchased the ARRL book on Short Antennas for 160??? (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Tue, 21 Jan 2014 08:29:36 -0700
This is the title, Short Antennas for 160 Meter Radio - anyone read through it? I have ON4UN's book from a couple of years back so wonder if there is anything worthwhile in that ARRL version ... than
/archives//html/Topband/2014-01/msg00156.html (6,744 bytes)

193. Re: Topband: Anyone purchased the ARRL book on Short Antennas for 160??? (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Tue, 21 Jan 2014 10:37:18 -0700
Thanks to all that replied - enuff "keep reading the ON4UN tome" comments to keep me from reaching in to my wallet for a charge card...Hi Hi Hope to hear and work you in the upcoming CQ 160 'test' th
/archives//html/Topband/2014-01/msg00160.html (7,524 bytes)

194. Topband: Hi-Z Antennas Two Element Array Systems 2-LV2-5 (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Tue, 11 Feb 2014 14:20:19 -0700
Do the two verticals require any type of radial system or can a simple "array" of 4 to 6 20' radials do the job?? 72, Jim R. K9JWV _________________ Topband Reflector Archives - http://www.contesting
/archives//html/Topband/2014-02/msg00130.html (6,737 bytes)

195. Re: Topband: Hi-Z Antennas Two Element Array Systems 2-LV2-5 (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Tue, 11 Feb 2014 18:55:09 -0700
Tnx, Jeff _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2014-02/msg00140.html (8,625 bytes)

196. Re: Topband: Hi-Z Antennas Two Element Array Systems 2-LV2-5 (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Tue, 11 Feb 2014 19:33:50 -0700
Tnx, Jeffr, for your observations..Jim R. K9JWV _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2014-02/msg00143.html (11,561 bytes)

197. Topband: Question - optimum number of radials (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Fri, 14 Feb 2014 08:41:35 -0700
Besides "optimim number(s)," I wonder if there is supporting analysis for the connection of the radial ends?? I have around 80 elevated radials that range from 50 foot lengths, running east and west,
/archives//html/Topband/2014-02/msg00212.html (8,422 bytes)

198. Topband: Radials - open ended or tied together in a grid qrrtangement?? (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 15 Feb 2014 09:00:48 -0700
I wonder if there is supporting analysis for connecting the radial ends?? I have around 80 elevated radials that range from 50 foot lengths, running east and west, and 25 foot lengths running north a
/archives//html/Topband/2014-02/msg00250.html (8,787 bytes)

199. Re: Topband: Palomar R-X Noise Bridge (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Sat, 15 Feb 2014 09:45:11 -0700
Carl: I've read, at several places, that sleeve baluns are effective at VHF and above but not at HF frequencies..thoughts?? 72/73, Jim Rodenkirch -- former Tempest inspector for the U.S. Navy..ahhhhh
/archives//html/Topband/2014-02/msg00257.html (13,954 bytes)

200. Re: Topband: New MFJ 259C available (score: 1)
Author: James Rodenkirch <rodenkirch_llc@msn.com>
Date: Mon, 3 Mar 2014 19:04:02 -0700
They'll be offering a 250 kHz to 500 kHZ version later, Carl, to sell ya! _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2014-03/msg00022.html (9,180 bytes)


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