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Total 21 documents matching your query.

1. Topband: CY9M on Topband next week (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sat, 21 Jul 2012 13:24:53 +0200
Greetings, This Tuesday I am boarding my flight with destination Halifax, Nova Scotia, to be part of the 10 man team going to CY9 St Paul Island this week. I have gotten several requests from my Topb
/archives//html/Topband/2012-07/msg00255.html (7,830 bytes)

2. Re: Topband: Stew Perry Warm Up (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Mon, 22 Oct 2012 00:30:34 +0200
Thanks for the QSO yesterday Cormac (and anyone else in my log), Topband was weak here in SM, not many DX logged in SP. Longest distances were RC0F in the East (7183 km) and FM5CD in the West (8062 k
/archives//html/Topband/2012-10/msg00276.html (7,635 bytes)

3. Re: Topband: Pennant Transformer (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Wed, 21 Nov 2012 11:35:07 +0200
Too me that looks correct. If you use enameled CU wire be careful if the edges of the core are sharp, then might scratch the insulation open. I use an antenna analyzer to verify my transformers once
/archives//html/Topband/2012-11/msg00345.html (7,609 bytes)

4. Topband: VP2MSW (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sun, 6 Jan 2013 11:25:17 -0400
TB Friends! I am active from Montserrat as VP2MSW for a couple of days. Got on Topband yesterday/this morning using a inverted dipole from the tower at VP2MDG, but have no RX antennas. I have some in
/archives//html/Topband/2013-01/msg00042.html (7,100 bytes)

5. Re: Topband: Spiderbeam mast UV Resistance? (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Mon, 2 Sep 2013 18:00:17 +0200
Jim, My experience with the 18 meter poles is that they survive 2-3 winter seasons here. I have been using the Spiderbeam mast to make a top loaded vertical guying it at three levels. What happens is
/archives//html/Topband/2013-09/msg00001.html (7,634 bytes)

6. Topband: 8Q7BM on Topband (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sun, 26 Jan 2014 13:39:47 +0500
Hi gang, I am currently on a vacation trip in the Maldives and are active in CQ160 with a very simple setup. I am using a 15 meter high top loaded vertical on the beach with only a few 1/8 radials on
/archives//html/Topband/2014-01/msg00266.html (7,025 bytes)

7. Re: Topband: One of those times (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Mon, 27 Jan 2014 08:47:18 +0500
Hi Merv, Happy to enlighten your day! I had just got my short top and bottom loaded vertical up and was testing a few calls before dinner. Was quite surprised to get a call from you. Guess I had no i
/archives//html/Topband/2014-01/msg00283.html (9,441 bytes)

8. Re: Topband: 8Q7BM on Topband (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Tue, 28 Jan 2014 09:33:21 +0500
Hi Gang, A quick update from 8Q7BM: I was on Topband yesterday in several bursts between 1430z to 1730 and then again in my SR between 0000z and 0130. Only one UA0 and two EU where logged in the even
/archives//html/Topband/2014-01/msg00298.html (7,276 bytes)

9. Re: Topband: 8Q7BM on Topband (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Wed, 29 Jan 2014 11:06:37 +0500
Hi, Last night was very quiet here on Topband. I was CQing from about 1435z to 1700z in burts. Heard a UX6 station 579 that did not hear my calls. Around 1510z I heard SM5BIC calling CQ with a 559 re
/archives//html/Topband/2014-01/msg00308.html (8,205 bytes)

10. Topband: Compromise vertical loading questions (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Wed, 29 Jan 2014 12:47:36 +0500
Here are some question for anyone with more tech skills than me; My compromise vertical at 8Q7BM is made of thin wire attached to a DX-Wire 15 meter glass fibre pole. The vertical wire goes all the w
/archives//html/Topband/2014-01/msg00309.html (7,880 bytes)

11. Re: Topband: 8Q7BM on Topband (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Fri, 31 Jan 2014 08:30:37 +0500
Here is another update from 8Q7BM; Wednesday evening FT5ZM started so I moved away from 23.7 to 33.7. I was calling from about 1430 and on. Heard OH5KW 579 during the evening and logged VK3EW and A45
/archives//html/Topband/2014-01/msg00370.html (8,470 bytes)

12. Re: Topband: Compromise vertical loading questions (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Fri, 31 Jan 2014 09:10:33 +0500
Thanks for all the input received. In short it seems like lifting the coil would not do much difference. Raising/increasing the angle of the top loading spokes might be the better option. Then of cou
/archives//html/Topband/2014-01/msg00371.html (11,019 bytes)

13. Re: Topband: 8Q7BM on Topband (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sat, 1 Feb 2014 11:43:26 +0500
Finally I got a decent opening from 8Q to EU last night. A few cluster spots might alos have helped to spike the interest and I logged more than 60 stations in bursts between 1500z and 2100z, 1700-21
/archives//html/Topband/2014-02/msg00000.html (7,322 bytes)

14. Topband: 8Q7BM QRT (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Mon, 3 Feb 2014 08:29:33 +0500
8Q7BM is now QRT. The last night of activity provided a little more than 40 log entries. Right after dinner two JA stations where logged using a split RX on 1812. After this the band went quiet. The
/archives//html/Topband/2014-02/msg00040.html (7,758 bytes)

15. Re: Topband: 160M EWE Problems (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Thu, 10 Dec 2015 08:53:15 +0100
Hi Mark, This is what I would change if possible. The TX antenna will re-radiate noise it picks up. This is probably what is picked up by your RX antenna. Do you have space to move the EWE away from
/archives//html/Topband/2015-12/msg00134.html (8,118 bytes)

16. Re: Topband: Stew Perry Preliminary Results (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sat, 2 Jan 2016 11:30:36 +0100
This is great news!! The spring event is very a good idea, I like it! Even more interesting to me is the new schedule for the winter event. I was just a few days ago thinking to myself that the wint
/archives//html/Topband/2016-01/msg00026.html (7,200 bytes)

17. Re: Topband: best headphones for cw (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Mon, 20 Jun 2016 20:46:48 +0200
Chuck, I use Bose QC25 active noise cancelling headsets. They are very comfortable to wear for hours in a contest, much more comfortable than any DX headset I have tried. They are better mechanical q
/archives//html/Topband/2016-06/msg00100.html (10,134 bytes)

18. Topband: Nice surprise in Stew (score: 1)
Author: Björn SM0MDG <bjorn@sm0mdg.com>
Date: Sun, 12 Mar 2017 22:42:21 +0100
I hadnt plan to participate in the Spring Stew but went to the station this weekend to prepare for WPX later this month. Testing out DXLog and a SunSDR2 PRO transceiver I decided to make a few contac
/archives//html/Topband/2017-03/msg00019.html (7,665 bytes)

19. Topband: Dual RX SDR receivers (diversity capable) (score: 1)
Author: Bjorn SM0MDG <bjorn@sm0mdg.com>
Date: Sun, 13 Jan 2019 16:18:47 +0100
Hi gang, Are there any resources out there listing (and comparing) dual RX SDR receivers? I am interested SDR receivers with dual independent RX channels synchronised primarely for diversity RX. 73 d
/archives//html/Topband/2019-01/msg00029.html (6,448 bytes)

20. Re: Topband: Antennas and saltwater (score: 1)
Author: Bjorn SM0MDG <bjorn@sm0mdg.com>
Date: Wed, 28 Dec 2022 15:07:25 +0100
Here is my TX antenna setup for Topband (and 80m) taking advantage of the Baltic Sea water. I have the Axtorp 18 meter tall linear loaded vertical from 160 and 80 meter. My QTH is on a tiny rock in t
/archives//html/Topband/2022-12/msg00149.html (20,155 bytes)


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