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1. Re: Topband: KH6 to EU past sunrise (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sat, 03 Oct 2009 14:26:39 +0200; Speaking about KH6AT I remember a late December some years ago. I was running W/JA on 80m like a mad man, A and K had been at zero for a few days. I told myself, heck 160 got to be open but the band; /archives//html/Topband/2009-10/msg00049.html (7,582 bytes)
2. Re: Topband: Trees and RF (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Wed, 04 Nov 2009 06:25:17 +0100; I have a 97 ft top loaded vertical partially supported by a tree, 60ft in the tree and 40ft above. I have 250 radials on the ground each about 160 ft long. I see absolutely no change in anything from; /archives//html/Topband/2009-11/msg00098.html (8,436 bytes)
3. Re: Topband: M flare (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Thu, 21 Jan 2010 14:05:32 +0100; At 67.5 degs North 80 and 160 was all dead last night, thats around 18-19 UTC. 20m was open to USA but very heavy flutter on signals, there was also some strong AEs propagation towards south west (No; /archives//html/Topband/2010-01/msg00174.html (7,980 bytes)
4. Re: Topband: Elevated Radials as a sub for the real thing? (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Thu, 04 Nov 2010 07:42:25 +0100; This issue will never get settled. There where measurements/tests done over 10 years ago on this matter that did clearly show that 50-60 radials on the ground always was better then forexample 4 elev; /archives//html/Topband/2010-11/msg00010.html (8,585 bytes)
5. Re: Topband: radials (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 05 Nov 2010 07:39:07 +0100; I would shoot for 60 1/4 wl on the ground (like W3LPL says). This will be "very close to" optimum and the losses in the near field will be well below 1 dB. Anything less is going to be "dB down". Mea; /archives//html/Topband/2010-11/msg00015.html (9,755 bytes)
6. Re: Topband: One More Radial Question (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sat, 06 Nov 2010 07:34:31 +0100; No just use any old wire you can find. Put out as many 1/4 wl radials as possible, if you cant do 1/4 wl make them as long as possible. The more wires you put out the better it will be, it can never; /archives//html/Topband/2010-11/msg00021.html (7,889 bytes)
7. Re: Topband: 160m vertical with "top loading" (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 22 Apr 2011 07:42:07 +0200; Well base loading should be better then linear loading, lower losses. However the base loading LC network has to have low Q or at least "decent" Q. Once I had my 160 vertical linear loaded, it was a; /archives//html/Topband/2011-04/msg00075.html (9,387 bytes)
8. Re: Topband: 4SQ Arrays in proximity (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Tue, 28 Jan 2020 19:28:30 +0100; I once was thinking about a deal like this. In my case I wanted to put a 40m 4SQ inside my 80m 4SQ. I did model it and saw a slight gain loss, think it was just around 1 dB or so. I didn´t like that; /archives//html/Topband/2020-01/msg00343.html (11,704 bytes)
9. Re: Topband: T Top Verticals and yagis (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sat, 29 Feb 2020 09:48:48 +0100; And give up approx 5 dB ground reflection gain, no thanks! / Jim SM2EKM PS: Had a 4SQ vert array once on 40 and a dipole at 70ft was better on TX. Den 2020-02-28 kl. 15:45, skrev W7RH: The discussion; /archives//html/Topband/2020-02/msg00269.html (8,594 bytes)
10. Re: Topband: 8 vs 4 direction 4-SQ? (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 20 Mar 2020 05:21:24 +0100; Yes loobs are broad but even so there are a small area in betwen two main loobs that are quite a bit down. I´ve been using an 8 direction 4 square vertical array on 80m for 30 years and on stuff righ; /archives//html/Topband/2020-03/msg00254.html (9,196 bytes)
11. Re: Topband: Anyone QRV in ND? (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sat, 4 Apr 2020 19:37:21 +0200; I have also worked K0IDX on 160 so he seems to be active quite a lot. / Jim SM2EKM Den 2020-04-04 kl. 13:40, skrev Hans Hjelmström: Hi Wes I worked K0IDX on 29th of February.BIG signal into Europe.So; /archives//html/Topband/2020-04/msg00009.html (9,182 bytes)

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