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181. Re: LF: Re: Vintage RF current meter (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 04 May 2016 19:44:10 +0200
Hello Louis, <<< Stefan. Don't blame me if I call you .....Lord of Rings :-))))) >>> If I remember correct it gave only one Ring and that one was bad enough on its own! 73, Roelof, pa0rdt
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00042.html (10,805 bytes)

182. LF: Re: [rsgb_lf_group] Re: [630m] 60 Watt new beacon 630m TX test (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Thu, 05 May 2016 22:13:39 +0200
Hello Geir, If one ferrite bar is not up to the task, you might take a couple, make a bundle and wind a new coil over it. Or go for the real thing and wind an air coil! 73, Roelof, pa0rdt
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00048.html (8,446 bytes)

183. Re: LF: A transductor instead of a traditional variometer on VLF/LF/MF? (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sat, 14 May 2016 14:26:57 +0200
Hello Stefan, This will certainly work. I have used this a long time ago to build a rf sweepgenerator with a linear V/F characteristic. I gather you will need high mu ferrite. 73, Roelof, pa0rdt
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00104.html (10,309 bytes)

184. Re: LF: Who says MF TA is only possible in winter? (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sat, 28 May 2016 15:14:59 +0200
Hello Stefan, It is a myth that DX on LF is only possible in winter. I am running a quest to log at least one Canadian NDB every day in the Netherlands and the last outage was December 22, 2015 when
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00212.html (10,133 bytes)

185. Re: LF: Who says MF TA is only possible in winter? (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sun, 29 May 2016 19:01:12 +0200
Hello Joe, Despite horrendous static, your signal is clearly visible on screen. See attached picture. Aural copy is a bit problematic under these conditions! 73, Roelof == From: Roelof Bakker, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00224.html (11,686 bytes)

186. Re: LF: Who says MF TA is only possible in winter? (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Mon, 30 May 2016 21:03:37 +0200
Hello Joe, Propagation holds on but just an other static ridden night happened. See attachment. However, your signal can be easily spotted! At the moment it is as bad as I have ever seen it. The norm
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00235.html (11,553 bytes)

187. Re: LF: Who says MF TA.../VO1NA QRSS-10 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Tue, 31 May 2016 20:00:04 +0200
Hello Joe, Static was too bad this time. I saw the faintest of traces were it should be, which would not be noted if one did not know where to look for it! 73, Roelof, pa0rdt
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-05/msg00241.html (10,714 bytes)

188. Re: LF: Who says MF TA.../VO1NA QRSS-10 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 01 Jun 2016 21:50:19 +0200
Hello Joe, I'm a bit at a loss, as two signals are visible on screen. However, looking at Stefan's picture, your signal is just below the Italian station. If I am correct, the strongest signal last n
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00007.html (9,136 bytes)

189. LF: VO1NA (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 01 Jun 2016 22:04:06 +0200
Hello Joe, I looked a bit closer at your signal and it can indeed be copied off screen! 73, Roelof, pa0rdt The following section of this message contains a file attachment prepared for transmission u
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00008.html (8,239 bytes)

190. Re: LF: QRSS10 477.7 kHz (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sat, 18 Jun 2016 19:17:55 +0200
Hello Joe, You must have choosen a good night as static was low and propagation was excellent. This is another proof of a DX-window at Summer Solstice (nearly so). Your signal appeared above the nois
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00066.html (10,559 bytes)

191. Re: LF: QRSS10 477.7 kHz (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sun, 19 Jun 2016 17:31:50 +0200
Hello Joe, High band noise early on and less stellar propagation. Still good copy. 73, Roelof, pa0rdt The following section of this message contains a file attachment prepared for transmission using
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00074.html (9,818 bytes)

192. Re: LF: QRSS10 477.7 kHz (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Mon, 20 Jun 2016 19:07:50 +0200
Hello Joe, No overnight plot as my Linrad hard drive died last night after 6 years of service. It has been working hard the last year stowing away between 50 and 100 GB every night. I could not find
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00079.html (9,387 bytes)

193. Re: LF: QRSS10 477.7 kHz (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 22 Jun 2016 18:05:47 +0200
Hello all, Better propagation and less static happened on 630M and Joe's signal was a little stronger. See attachment. The keying sidebands of the 5 WPM Morse Code can be easily seen, covering a band
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-06/msg00084.html (10,440 bytes)

194. LF: Re: SAQ transmission 2016-07-03 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sun, 03 Jul 2016 11:37:57 +0200
Hello all, Very good reception of SAQ in the Netherlands this morning. The backwave was visible and audible as well! If you missed this transmission, there is a second one today at 12.00 UTC. 73, Roe
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-07/msg00006.html (8,154 bytes)

195. Re: LF: SAQ reception in JN59WK (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Mon, 04 Jul 2016 21:31:59 +0200
Hello all, SAQ was 30 dB above the noise floor here and the residual key-up carrier was about 17 dB weaker. If you can hear the latter, reception is good! The receiver here is a PERSEUS SDR and the a
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-07/msg00025.html (8,690 bytes)

196. Re: LF: 137.777 kHz QRSS100 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Tue, 19 Jul 2016 19:57:24 +0200
Hello Joe, This is what I received here, but not sure if it is you. The frequency is off, my error or rather the Afedri NET!. Staic at 137.777 kHz is much worse than on 477.7 kHz. 73, Roelof, paordt
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-07/msg00093.html (11,463 bytes)

197. Re: LF: 137.777 kHz QRSS100 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 20 Jul 2016 19:49:04 +0200
Hello Joe, Static was a big game spoiler last night, but by reducing the screen sensitivity, your signal can still be spotted. On July 5 there was a very good opening to Canada at my sunrise. I logge
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-07/msg00098.html (12,868 bytes)

198. Re: LF: VO1NA Sep 16/17 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Sun, 18 Sep 2016 19:19:04 +0200
Hello Joe, Your signal was visible all night and peaked nicely around dawn. See attachment. Aural copy was no problem! Best regards, Roelof == From: Roelof Bakker, PAoRDT Location: Middelburg, Zealan
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-09/msg00126.html (10,012 bytes)

199. Re: LF: VO1NA Sep 16/17 (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Mon, 19 Sep 2016 21:52:51 +0200
Hello Joe, Propagation was much worse and the dawn enhancement was completely lacking! Best regards, Roelof == From: Roelof Bakker, PAoRDT Location: Middelburg, Zealand SW Netherlands, 51 30 02 N, 03
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-09/msg00143.html (10,068 bytes)

200. Re: LF: VO1NA (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Thu, 22 Sep 2016 21:56:00 +0200
Hello Mike, Propagation has improved lately (I did receive NAVTEX New orleans on 518 kHz), but still too weak for aural copy. See attachment. 73, Roelof, pa0rdt The following section of this message
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-09/msg00171.html (9,567 bytes)


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