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181. Topband: ARRL 160 (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 5 Dec 2016 19:31:18 +0000
That's all OK Ward but the guy on the other end will not get credit for the correct QSO. Not right also. I chose to mark the QSO as unclaimed as that hopefully will deal with it correctly? Lee K7TJR
/archives//html/Topband/2016-12/msg00057.html (9,016 bytes)

182. Topband: ARRL 160 (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 5 Dec 2016 19:41:39 +0000
Hmmmm, Writelog lets you think you have marked a QSO as unclaimed when you ask it to export a Cabrillo file. Thanks for the update Tree. Lee K7TJR _________________ Topband Reflector Archives - http:
/archives//html/Topband/2016-12/msg00060.html (7,650 bytes)

183. Re: Topband: RX ant-Frozen ground (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Wed, 7 Dec 2016 22:23:40 +0000
When we at Hi-Z see deterioration it is often the output cable running to the receiver where the typical aluminum shield no longer makes great contact. Also if it's one of the Hi-Z Antennas amplifier
/archives//html/Topband/2016-12/msg00138.html (11,993 bytes)

184. Re: Topband: LDEs, witches and magicians (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Wed, 8 Feb 2017 17:41:25 +0000
Greetings All, I am afraid I have to take issue with you Wolf. And this may be a clue. I also have experienced echoes on 160 meters. Maybe it depends on longitude or latitude or something like that.
/archives//html/Topband/2017-02/msg00041.html (9,135 bytes)

185. Re: Topband: 160 4 square (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 28 Aug 2017 06:02:38 +0000
Hello All JC, Greg knows quite a bit about receiving on 160 meters as he has had a Hi-Z 8 element array for some years now. Actually he has done quite well with it. Especially when he was neighbors w
/archives//html/Topband/2017-08/msg00052.html (11,574 bytes)

186. Re: Topband: 160 4 square (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 28 Aug 2017 16:45:41 +0000
Good morning all, What I can tell you about the two antennas for 160 meter receiving is that as many have said before, you cannot have too many receiving antennas for 160 meters. Before Dale N4NN bec
/archives//html/Topband/2017-08/msg00061.html (10,496 bytes)

187. Re: Topband: Best Receive Antenna over Sloping Terrain? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sat, 2 Sep 2017 18:37:14 +0000
Greetings Topband antenna guys, As a manufacturer of shortened vertical element receiving antennas, I have been asked the question about sloping ground many times. It occurred to me one day that I co
/archives//html/Topband/2017-09/msg00009.html (9,157 bytes)

188. Re: Topband: 4sq receive antenna side filters? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 11 Sep 2017 23:58:48 +0000
Grant, and others. It is sort of possible to filter high impedance type RX 4-squares. The source impedance of a 2 foot long 1 inch dia. tubing vertical is a few ohms resistance depending on the groun
/archives//html/Topband/2017-09/msg00030.html (9,841 bytes)

189. Topband: FT8 - the end of 160m old school DXing? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Wed, 25 Oct 2017 18:18:35 +0000
You guys should have been around for the AM versus SSB discussions/wars without the use of the instant communication internet. Oh my, Lee K7TJR _________________ Topband Reflector Archives - http://w
/archives//html/Topband/2017-10/msg00152.html (7,011 bytes)

190. Re: Topband: BOG pre amp info ? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 27 Nov 2017 17:01:02 +0000
Hello Tim and all. The input impedance of the W7IUV amp is also highly dependent on the negative feedback found by looking at the unbypassed base bias circuit. And highly dependent on the size of the
/archives//html/Topband/2017-11/msg00129.html (11,892 bytes)

191. Topband: Big 160m openings just before K index spikes (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Fri, 8 Dec 2017 17:38:12 +0000
I have also seen big openings here in Oregon just prior to a big solar event. If I recall correctly it was when I worked the A4 which is huge from the Pacific Northwest. Lee K7TJR _________________ T
/archives//html/Topband/2017-12/msg00049.html (7,144 bytes)

192. Topband: My beverage only hears static? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sat, 13 Jan 2018 19:50:34 +0000
Hello All, I may not have seen all of the posts on this topic but will comment anyway. Two things come to mind about this noise. Number one is you do not want to connect the shield of the coax going
/archives//html/Topband/2018-01/msg00143.html (8,632 bytes)

193. Re: Topband: Conditions on 160m for ARRL Contest (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Tue, 20 Feb 2018 04:21:27 +0000
Mike and others, Those signals are NOT fishnet beacons. They are as one here said a version of a navigation system similar to Hyperfix. The reason you hear three "dings" Is that there are three trans
/archives//html/Topband/2018-02/msg00135.html (10,080 bytes)

194. Topband: Conditions on 160m for ARRL Contest (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Tue, 20 Feb 2018 04:48:19 +0000
For any that are interested there is now even a Hyperfix wiki page where you can hear a spot on recording of this system. The loudest one here is near 1813KHz. https://www.sigidwiki.com/wiki/HyperFix
/archives//html/Topband/2018-02/msg00136.html (6,997 bytes)

195. Re: Topband: HIZ 8 Circel Diameter..... (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sat, 3 Mar 2018 22:36:30 +0000
Hello Frank and All, First you must tell us what you are expecting to make better with a Hi-Z array. Do you want Better front to back? Do you want Front to side? Do you want better signal to noise ra
/archives//html/Topband/2018-03/msg00006.html (11,005 bytes)

196. Re: Topband: 160m polarization and elevation angles (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sat, 31 Mar 2018 17:43:37 +0000
Jimmy Sullivan W7EJ (SK) had a rotary dipole up for 160 meters at his CN2R station. You can still see the antenna as his CN2R site is still up. It came down in a wind storm in 2009, and I have no rea
/archives//html/Topband/2018-03/msg00207.html (11,842 bytes)

197. Re: Topband: Soil conductivity maps (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sun, 1 Apr 2018 18:25:07 +0000
Hello Jeff, All those things you mention are great but times they are changing. You would be well advised if you find an interesting place to do a noise survey on and near the property. And consider
/archives//html/Topband/2018-04/msg00029.html (9,389 bytes)

198. Re: Topband: Any experience with 2N3553? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Sun, 1 Jul 2018 18:14:32 +0000
Hello Martin and all, The 2N3553 device was plagued with a low Ft (high at its introduction) making it mostly a low frequency device with questionable high gain high frequency use in typical ham prea
/archives//html/Topband/2018-07/msg00002.html (9,365 bytes)

199. Re: Topband: Any experience with 2N3553? (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 2 Jul 2018 00:39:59 +0000
Thanks Tony, Agreed the 2N5109 will be around for a long time however as you point out they are or will be very expensive. At present I use 100's of 2N3866 transistors which are very close to the sam
/archives//html/Topband/2018-07/msg00006.html (12,341 bytes)

200. Topband: Beverage transformers that work down to 630 m (score: 1)
Author: Lee STRAHAN <k7tjr@msn.com>
Date: Mon, 16 Jul 2018 02:03:44 +0000
Greetings Top Banders, Well we cant all agree on a 4X transformer primary rule. It depends on what you want to do with the transformer. In this case a Beverage for 630 meters. Driving on with the 4X
/archives//html/Topband/2018-07/msg00120.html (13,511 bytes)


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