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

Total 311 documents matching your query.

261. Re: Topband: NORD antenna for top band..... (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Wed, 3 Feb 2016 12:10:11 +0000
Thank you, Frank....hearing similar analysis here so it's sounding like the NORD style of antenna isn't for me. Appreciate the "advice." 72 de Jim nR. K9JWV Hi Jim, The NORD antenna is a relatively i
/archives//html/Topband/2016-02/msg00025.html (10,157 bytes)

262. Re: Topband: Demo of the value of one dB and the cost of sending too fast (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 26 Feb 2016 13:31:17 +0000
Bill - I am uncertain, based on your reply below, whether you are a proponent of worrying about 1 db or not.......so, from a 100% QRP op's perspective, saving 1 db, i.e., delivering 1 more db to the
/archives//html/Topband/2016-02/msg00141.html (11,021 bytes)

263. Re: Topband: Am I the only one in step? (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Tue, 1 Mar 2016 15:31:16 +0000
Below is the 160 band plan, courtesy of that august group, the ARRL: 160 Meters (1.8-2.0 MHz) 1.800 - 2.000 CW 1.800 - 1.810 Digital Modes 1.810 CW QRP 1.843-2.000 SSB, SSTV and other wideband modes
/archives//html/Topband/2016-03/msg00000.html (13,543 bytes)

264. Re: Topband: Am I the only one in step? (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Tue, 1 Mar 2016 17:18:55 +0000
Appreciate the reminder re Region 2, Mike.....but......will a "common plan" amongst all IARU regions, if not adhered to by participants (evidenced here in Region 2), be "worth the effort" to bring ab
/archives//html/Topband/2016-03/msg00008.html (9,891 bytes)

265. Re: Topband: Spring Stew Perry in a few more days (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Wed, 2 Mar 2016 18:37:48 +0000
I'll be lookin' for ya as a QRP contestant, Bill....GL getting that Atlas up and runnin'!!!!!!!!!!!!!!!! 71.5/72 de Jim R. K9JWV Hi, Somebody mentioned the Stew is coming 'round again so I finally re
/archives//html/Topband/2016-03/msg00028.html (8,817 bytes)

266. Re: Topband: BCB High Pass Filter (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Thu, 3 Mar 2016 17:15:01 +0000
$28.00 for this one... http://www.iceradioproducts.com/filtersrf.html It states on the Clifton Labs homepage: "Clifton Laboratories is no longer in business. No products are available for sale or rep
/archives//html/Topband/2016-03/msg00036.html (9,705 bytes)

267. Topband: Ever experimented with a Gieskieng or modified Gieskieng antenna????????? (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 4 Mar 2016 15:57:45 +0000
TIA for your reply...71.5/72 de Jim Rodenkirch K9JWV http://www.ok1rr.com/index.php/antennas/38-meet-the-modified-gieskieng-antenna [http://www.ok1rr.com/templates/allrounder-j1.6/images/logo/multico
/archives//html/Topband/2016-03/msg00058.html (7,812 bytes)

268. Re: Topband: Spring Stew Perry (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sat, 12 Mar 2016 23:53:45 +0000
Will be lookin' for ya, Eric...have a new antenna up (just put it up this afternoon) and will be PUSING my 4.9 watts out into the ether....72, Jim R. K9JWV I should be QRV this evening with my 1928 M
/archives//html/Topband/2016-03/msg00122.html (8,158 bytes)

269. Re: Topband: Spring Stew Perry (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sun, 13 Mar 2016 13:39:20 +0000
Too bad, Eric, I couldn't hear you ..lots of qrn last night...this a.m. QUIET...turned the pre-amp on a couople of times. Heard Jim, K9JWV, around 0216z with good sigs, but couldn't get his attention
/archives//html/Topband/2016-03/msg00136.html (10,184 bytes)

270. Re: Topband: Spring Stew Perry (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sun, 13 Mar 2016 13:48:07 +0000
Hearing very few CA ops this A.M. so don't expect to hear few JAs.....oh well, my new antenna - an inverted U - did well for me (worked far more east coast/new England stns this time around) ...just
/archives//html/Topband/2016-03/msg00137.html (10,847 bytes)

271. Re: Topband: Spring Stew Perry (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sun, 13 Mar 2016 16:10:33 +0000
The 30' vertical legs are absolutely vertical, Jim....horizontal leg is 51' long and I placed a 30 microhenry "end loading coil" at the far end...tunes up well via the LDG Z11 ProII auto tuner locate
/archives//html/Topband/2016-03/msg00145.html (14,216 bytes)

272. Topband: VK0EK, Heard Island on the air! (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Wed, 23 Mar 2016 16:27:14 +0000
Another audio log update. https://media.vk0ek.org/player.php?id=29 72 de Jim Rodenkirch K9JWV _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2016-03/msg00206.html (6,824 bytes)

273. Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 1 Apr 2016 19:04:25 +0000
I have installed a receive loop ( http://www.qsl.net/kc2tx/ ) and finished measuring and observing... Measurements: VSWR -- 1.7 @ 1.830 ZO -- 77 at 1.830 Observation: Following ON4UN's comments regar
/archives//html/Topband/2016-04/msg00004.html (7,520 bytes)

274. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 1 Apr 2016 20:36:13 +0000
Doggone it, Don...I'd seen that presentation before - simply forgot about using a xfmr to couple unbalanced coax to balanced rcv antenna....good on ya for sending that on -- need to find a Fair-rite
/archives//html/Topband/2016-04/msg00007.html (10,361 bytes)

275. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 1 Apr 2016 20:37:46 +0000
You are the 2nd fella, Frank, to remind me about a matching/coupling xfmr.....muchas gracias!!! 71.5/72 de Jim R. K9JWV Hi Jim, A properly constructed loop antenna absolutely requires a preamp. If si
/archives//html/Topband/2016-04/msg00008.html (10,521 bytes)

276. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Fri, 1 Apr 2016 22:44:30 +0000
Tnx, Jim...yes, see now where 43 material works almost as well...will find #43 core...Jim R. N6RK notes that Fair-Rite #43 will work fine, with slightly increased loss. Mu is higher, so you will like
/archives//html/Topband/2016-04/msg00011.html (8,826 bytes)

277. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sat, 2 Apr 2016 12:48:16 +0000
Thank you to all for the replies/comments/suggestions -- I am all over finding a #61 or #43 material core for a xfmr....71.5/72 de Jim R. K9JWV N6RK notes that Fair-Rite #43 will work fine, with slig
/archives//html/Topband/2016-04/msg00019.html (9,262 bytes)

278. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sat, 2 Apr 2016 21:34:04 +0000
Wellllll, found a #43 material core, wound the xfmr (just needed a 1.24 turns ratio as my loop's Zo is 77 ohms, not the 5000 ohms that Rick, N6RK, had with his loop) and installed it - used my Autek
/archives//html/Topband/2016-04/msg00027.html (11,070 bytes)

279. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sun, 3 Apr 2016 13:06:26 +0000
I couldn't resist..................K9YC says...."The BEST way to buy ferrite parts is...buy in quantity from industrial distributors...." Well, first off, I don't need quantity - I need one or two fe
/archives//html/Topband/2016-04/msg00030.html (11,117 bytes)

280. Re: Topband: Receive loop observations (score: 1)
Author: James Rodenkirch <Rodenkirch_LLC@msn.com>
Date: Sun, 3 Apr 2016 14:56:07 +0000
You make my case, Cecil...my "requirements" are - I need two - and not in the position of buying beaucoup and hoping I can sell, at cost, to others.... I forgot the minimum "reqmt" of Newark - thanks
/archives//html/Topband/2016-04/msg00033.html (13,217 bytes)


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