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221. Re: LF: Better still again on 500kHz QRPp WSPR (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sun, 18 Oct 2009 17:54:49 +0100
Thanks for the reports Richard. You did very well for your first try with WSPR and hearing the stateside station during the night. I expect to be back on 500kHz WSPR again on Tuesday evening.  73s Ro
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00395.html (13,834 bytes)

222. Re: LF: defence of WSPR Signals (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Tue, 6 Oct 2009 15:06:58 +0100
Having been away on holiday for a couple of weeks without internet connection I missed this thread until today. My views on WSPR are simple. It is (will be) enormously helpful when analysing LF anten
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00404.html (10,543 bytes)

223. LF: QRSS message format? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Wed, 21 Oct 2009 15:18:16 +0100
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00419.html (10,055 bytes)

224. LF: 500kHz WSPRing again tonight (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Tue, 20 Oct 2009 17:51:20 +0100
My 500kHz QRPp WSPR beacon is active again this evening. It will be off between 8-9pm as I have a sked on 2m but should be back on again afterwards and through the night.  As before, all reports welc
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00438.html (9,384 bytes)

225. LF: Overnight session on 500kHz WSPR (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Thu, 29 Oct 2009 23:56:34 +0000
With eight unique stations copying me so far this evening I'm going to leave the <1mW ERP 500kHz WSPR beaconing running overnight in the hope that I can get a 20th station to copy me. I'd love to be
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00467.html (9,430 bytes)

226. LF: 500kHz attenuation graphs? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 31 Oct 2009 12:28:31 +0000
Can someone please point me to any CCIR or similar graphs (preferably on the internet) showing the attenuation with distance expected on groundwave and skywave at 500kHz? 73s Roger G3XBM -- -- http:/
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00504.html (9,437 bytes)

227. Re: LF: 500kHz QRPp WSPRing tonight (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Thu, 15 Oct 2009 20:56:17 +0100
Best DX still only 69kms John, but I live in a state of perpetual optimism :-) 73s Roger G3XBM 2009/10/15 John P-G <[email protected]> Roger Lapthorn wrote: This evening and overnight I s
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00516.html (11,531 bytes)

228. Re: LF: Better still again on 500kHz QRPp WSPR (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 17 Oct 2009 20:20:57 +0100
Just seen Rik's decode and now this!!!!!  2009-10-17 19:14   G3XBM   0.503936   -26   0   JO02dg   0.001   GM4SLV   IP90gg   896   354  This is staggering!!! 73s Roger G3XBM 2009/10/17 Rik Strobbe <R
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00532.html (13,972 bytes)

229. Re: LF: Re: 500kHz 1mW WSPR beaconing (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sun, 25 Oct 2009 10:03:17 +0000
Only  the  one  decode Roger  at  261 kmt   G ..       2009-10-24 16:58   G3XBM   0.503917   -28   0   JO02dg   0.001   G0NBD   IO83   261   302   2009-10-24 22:42   G3XBM   0.503923   -26   0   JO0
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00551.html (18,806 bytes)

230. LF: 500kHz QRPp WSPR beacon - ERP up 10dB (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 17 Oct 2009 16:18:59 +0100
Increased the ERP on my (still QRPp) WSPR beacon by around 10dB (PA changes only so far) so would welcome reports. Already G7NKS is reporting me up to 10dB stronger, which is encouraging. 73s Roger G
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00623.html (9,298 bytes)

231. Re: LF: Re: 500kHz 1mW WSPR beaconing (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 24 Oct 2009 22:50:31 +0100
Roger,   what is your exact dial qrg? Are you on air at present? I'll watch out for your signal.   73 Clemens DL4RAJ -- Original Message -- From: [email protected] Roger Lapthorn To: rsgb_lf_g
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00634.html (14,468 bytes)

232. Re: LF: RE: Best receiving antenna wanted (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Wed, 21 Oct 2009 18:52:36 +0100
My online grabbers use the Mini-Whip antenna. 73, Gary - G4WGT. 2009/10/21 James Cowburn <[email protected]> Hi Horst I've just installed one of Roelof Bakker's (PA0RDT) active mini whips and
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00651.html (13,548 bytes)

233. LF: 500kHz QRPp WSPR beacon (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Wed, 14 Oct 2009 12:29:09 +0100
I have just restarted my 500kHz WSPR beaconing. At the moment I've not yet attempted any ERP improvements so the ERP will still be in the 6uW region as measured by M0BMU. Reports would be much apprec
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00665.html (9,158 bytes)

234. LF: 500kHz 1mW ERP WSPR beacon on tonight (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Wed, 28 Oct 2009 19:16:09 +0000
My QRPp 500kHz WSPR beacon will be back on again tonight; the little grandchildren have now gone home, sadly, so my shack is no longer needed as a bedroom. Any reports, especially new ones, would be
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00672.html (9,266 bytes)

235. Re: LF: Re: 500kHz propagation (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Thu, 29 Oct 2009 17:02:07 +0000
I have also been copied on 137 khz during daylight hours in the USA ie early evening. using  CW. De G3KEV -- Original Message -- From: "Rik Strobbe" <[email protected]> To: <rsgb_lf_group@b
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00678.html (13,460 bytes)

236. LF: 500kHz 1mW WSPR beaconing (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 24 Oct 2009 16:55:56 +0100
This will be active periodically over the weekend. It would be nice to get a few new reporters spotting me. 73s Roger G3XBM -- -- http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk G3XBM    GQRP 1
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00682.html (10,250 bytes)

237. LF: A new report on the QRP 500kHz beacon (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Wed, 14 Oct 2009 19:42:51 +0100
 2009-10-14 18:34   G3XBM   0.503868   -20   0   JO02dg   0.001   G0BPU   JO02ob   67   110  A new station, G0BPU,  has reported by QRPp beacon on 500kHz. Not quite the super-DX you guys are talking
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-10/msg00683.html (10,018 bytes)

238. Re: LF: G3XIZ - 1000 th MF QSO (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Mon, 9 Nov 2009 00:18:25 +0100
Congratulations Chris - excellent work. A small comment about WSPR... all of us who WSPR only occupy 200Hz of the band in total and there is the potential for about  >100 WSPR stations to share this
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-11/msg00098.html (16,084 bytes)

239. Re: LF: Re: Test transmissions (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Fri, 20 Nov 2009 17:22:53 +0000
...please 2009/11/20 mal hamilton <[email protected]> Right on top of the Russian and other stn DX window. Move down to the low end of the band out of the way. G3KEV -- Original Message -- From:
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-11/msg00166.html (11,170 bytes)

240. Re: LF: Re: G3XBM: 500kHz ERP increased by 6dB - WSPR reports please (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Fri, 6 Nov 2009 17:24:36 +0000
Roger,   are you using the same dial frquency of 0.503910 +/-20Hz as before ? When does your transmission start?   73 Clemens DL4RAJ   -- Original Message -- From: [email protected] Roger Lapt
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-11/msg00185.html (15,620 bytes)


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