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21. Topband: K9AY over rocky ground (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sat, 10 Feb 2007 11:19:20 +0100; I have a K9AY that I would like to try at my mountain QTH. I am on the top where there is little or no soil, just bare rock. I have seen references to using the K9AY over rocky ground using 4 radials; /archives//html/Topband/2007-02/msg00080.html (6,512 bytes)
22. Topband: Beefing up an unun (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 19 Mar 2007 15:13:54 +0100; Hi Topbanders! If I want to increase my unun's power handling capability, can I simply add one core (glue to cores together), beef up cu wire and use the same number of windings? 73 de Björn /SM; /archives//html/Topband/2007-03/msg00082.html (6,843 bytes)
23. Topband: Remote controlled antenna switches (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 9 Apr 2007 16:43:30 +0200; Hi Topbanders, I am about to invest in two antenna switches and would like your input and feedback as there is a great variety in product and pricing out there. To start with I have read DXE's sales; /archives//html/Topband/2007-04/msg00065.html (7,866 bytes)
24. Re: Topband: Sunrise times (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sun, 22 Apr 2007 16:44:38 +0200; sunset times. Their definition of sunrise is the time at which the upper edge of the sun's disc it exactly even with the local horizon. << Being relatively new on topband (second season) I still obse; /archives//html/Topband/2007-04/msg00100.html (7,230 bytes)
25. Re: Topband: End off Season?? (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 14 May 2007 12:49:38 +0200; I guess most people have to roll in the beverages and take down any other temporary antennas when spring arrives. A good reason for less activity up here in the north is the longer days... Just a few; /archives//html/Topband/2007-05/msg00044.html (7,396 bytes)
26. Re: Topband: Need Un-Un Info (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 21 May 2007 06:37:08 +0200; at 23 Ohms, so a 2.25:1 would be ideal. I use 50 Ohm coax as feedline. I have the Amidon T-200-2 cores. Has anybody ever used this core for a topband Un-Un? If so, how many trifilar turns and what si; /archives//html/Topband/2007-05/msg00059.html (7,404 bytes)
27. Re: Topband: Re prop last 12 hours (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 3 Sep 2007 06:04:09 +0200; call followed by a couple of G stations and EA1WX. << Thanks for QSO Bob, 1st ZL for the season - nice! I went to bed early to be up for sunrise, and 35 minutes before SR the band opened with K3ZM, V; /archives//html/Topband/2007-09/msg00009.html (6,786 bytes)
28. Topband: NAB? (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 24 Sep 2007 14:20:02 -0400; Any topbanders bound for Charlotte, NC to attend the NAB/R&R convention? I arrive in Charlotte tomorrow Tuesday, if anyone of you go there let me know by private e-mail. 73 de Björn /SM0MDG ____; /archives//html/Topband/2007-09/msg00158.html (6,211 bytes)
29. Re: Topband: Modification to INRAD Roofing Filter (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sun, 21 Oct 2007 10:56:32 +0200; be interested Dennis & topbanders, Interesting, the question worth raising is; why did I install the roofing filter to begin with? Looking at the numbers it seems like the NB mod was all needed to br; /archives//html/Topband/2007-10/msg00105.html (9,874 bytes)
30. Re: Topband: Unique Short Radial Challenge (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 22 Oct 2007 20:09:37 +0200; the water would probably be best. But then there is the SWR change with tides. < As my top band antenna is right on the shore of the Baltic Sea I find this discussion extremely interesting. The Balti; /archives//html/Topband/2007-10/msg00126.html (8,572 bytes)
31. Re: Topband: Fwd: mute on ADSL (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sat, 27 Oct 2007 15:12:23 +0200; I can highly recommend trying Boye's DSL filter. I added it today and it seems to do the trick. Before I got problems even with very low power levels on TB, now the problem seems gone with all power; /archives//html/Topband/2007-10/msg00171.html (7,250 bytes)
32. Re: Topband: 1/8 wave vertical (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Tue, 25 Dec 2007 10:49:32 +0100; Bob, I am using a 60 ft toploaded vertical with two elevated radials. In the past two seasons I have worked a 100+ DXCC using this antenna. Here are the details of the antenna; The antenna is support; /archives//html/Topband/2007-12/msg00182.html (8,002 bytes)
33. Topband: Flags and loops in restricted space (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sat, 29 Dec 2007 16:25:36 +0100; Hi Topbanders, I have a questions about placement of RX antennas; Do I need to separate RX antennas from each other, or is it OK to place them close to each other? Right now I have a FO0AAA loop and; /archives//html/Topband/2007-12/msg00214.html (7,315 bytes)
34. Re: Topband: Flags and loops in restricted space (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Sun, 30 Dec 2007 03:25:41 +0100; Thanks Carlos, Lots of useful information here; My RX antennas are non-resonant, except for the 20ft coax loop. This seems to be the good news. Terry N6RY pointed out that modelling these antennas sh; /archives//html/Topband/2007-12/msg00221.html (8,504 bytes)
35. Re: Topband: 160 RX antenna (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Mon, 31 Dec 2007 14:37:24 +0100; of coax, as seen in various handbooks. << in its own right. At my QTH, any vertical of any height is virtually useless as a 160 meter receive antenna. The loop is supposedly vertically polarized. Yet; /archives//html/Topband/2007-12/msg00238.html (8,670 bytes)
36. Topband: 2008.. (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Tue, 1 Jan 2008 08:46:46 +0100; work Also here a nice start of 2008 with a new one (Gitmo) and a nice one (CE1) to kick off the year with. Also RX N7JW and a couple of other nice DX. All in all the band seems to be in OK shape here; /archives//html/Topband/2008-01/msg00001.html (6,536 bytes)
37. Topband: Small milliwatt TX (score: 1): Author: "Björn Mohr" <bm@broadcast.se>; Date: Thu, 10 Jan 2008 20:45:50 +0100; Hi Topbanders, I am looking for a schematic to build a small milliwatt transmitter that could be used to measure antennas. Should be small enough to fit in a altoids can or similar and run from batte; /archives//html/Topband/2008-01/msg00077.html (6,508 bytes)
38. Re: Topband: Small milliwatt TX (score: 1): Author: "Björn Mohr" <bm@broadcast.se>; Date: Fri, 11 Jan 2008 10:20:53 +0100; Since I got a couple of requests to share the information I got in response to my question, here is what I received so far; Igor DL2KQ sent me this schematic for a 0,4w/1-35Mc TX that he uses with h; /archives//html/Topband/2008-01/msg00079.html (7,845 bytes)
39. Re: Topband: VP6DX Very Loud (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Thu, 28 Feb 2008 12:23:42 +0100; You guys are lucky! Here in the Stockholm area VP6DX has not been strong enough when I have had the chance to listen. Barely readable in SR is the best I heard them except for the weekend when they p; /archives//html/Topband/2008-02/msg00134.html (8,154 bytes)
40. Re: Topband: Report from YC-land (score: 1): Author: Björn Mohr <bm@broadcast.se>; Date: Thu, 13 Mar 2008 00:52:24 +0100; On my wish list for future improvements of the K3 is a setting to turn all lights off. It is very handy when you like to fall in sleep to the beautiful sound of static :) Lets hope you get your anten; /archives//html/Topband/2008-03/msg00051.html (7,261 bytes)

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