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181. LF: Still off air but . . . (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 16 Jan 2018 12:03:12 +0100
I took my antenna masts down because of the recent high winds, and was hoping to put them up again within a few days. But I went down with a bug that left me with no energy to do the mast work, and n
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00223.html (8,547 bytes)

182. LF: Mini whip antenna success (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 19 Jan 2018 12:20:17 +0100
I have spent a few days experimenting with a mini whip active receiving antenna. As advised I decoupled the feeder by winding it around a ferrite core, and ensured the antenna was earthed to a stake
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00242.html (9,116 bytes)

183. LF: Re: [rsgb_lf_group] Mini whip antenna success (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 19 Jan 2018 18:51:51 +0100
The antenna was bought from a Ukrainian company called Transverters Store on eBay. The page is at: https://www.ebay.co.uk/itm/MiniWhip-Active-Antenna-Assembled-in-Box-HF -LF-VLF-mini-whip-sdr-RX-port
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00251.html (12,236 bytes)

184. LF: Re: [rsgb_lf_group] Mini whip antenna success (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 19 Jan 2018 20:08:15 +0100
Roelof, Thanks for that information. As you will have seen from another post, my unit is the PA0HNC design sold from the Ukraine. Several other mini-whips can be found on eBay. My main reason for buy
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00254.html (13,268 bytes)

185. Re: LF: 136kHz - this is how badmy system is! (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 23 Jan 2018 11:47:39 +0100
There is no need to wonder how good your (or anyone's) receive syatem is. By using the databases for Opera and/or WSPR (http://wsprnet.org/drupal/wsprnet/spots) simply compare the reports you are giv
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00296.html (11,979 bytes)

186. LF: Transmitting again on 136k (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 30 Jan 2018 16:36:48 +0100
After almost a month, the weather and my health have improved enough for me to put my transmitting antenna back again. It took me nearly six hours of stretching, bending, lifting, pulling and ladder-
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00421.html (8,181 bytes)

187. LF: Transmitting again on 136k (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 30 Jan 2018 20:13:24 +0100
After almost a month, the weather and my health have improved enough for me to put my transmitting antenna back again. It took me nearly six hours of stretching, bending, lifting, pulling and ladder-
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-01/msg00422.html (8,631 bytes)

188. Re: [english 97%] LF: 136kHz RX (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Sat, 03 Feb 2018 11:48:18 +0100
Roger, Looks like you need a new laptop. Take a look on eBay where you can find lots of 2nd hand laptops for a few pounds. Even quite high end desktops are available for less than £100 ex-business. M
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00014.html (10,661 bytes)

189. Re: LF: Do I need an attenuator on LF RX?? (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Mon, 12 Feb 2018 17:39:55 +0100
Chris, It looks like you have a broadcast station where it shouldn't be (at 132.65kHz) and several other spurious stations in that area, so you may well have unwanted signals within the 136kHz band,
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00273.html (10,417 bytes)

190. Re: Re: LF: Do I need an attenuator on LF RX?? (score: 1)
Author: "mike.dennison" <[email protected]>
Date: Mon, 12 Feb 2018 17:20:18 +0000
Thanks for the reply, it actually has 2 (in series) N1BUG band pass filters in front of it! I have always had this "noise hump" around the band, I once thought the filter (one...) had cured it, but n
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00278.html (11,826 bytes)

191. LF: 136kHz DX (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 13 Feb 2018 14:02:06 +0100
DX conditions on the 136kHz band have been good recently. Last night K3RWR's WSPR was received here six times between 0515 and 0615 and again at 0738. A couple of days ago my daytime Opera32 transmis
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00300.html (8,737 bytes)

192. Re: LF: QRV 2200m WSPR now (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Sat, 17 Feb 2018 12:36:11 +0100
Interesting results last night. N1BUG was received many times between 0008 and 0614UTC by G0LUJ who is on the north-west coast of England (4698km). But only once by 2E0ILY (4731km), at 0356, who was
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00348.html (9,627 bytes)

193. Re: LF: Wow, busy busy on 136!! (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Sun, 18 Feb 2018 11:24:25 +0100
Markus, do you know you can run the latest (more sensitive) WSPR and WSPR-X simultaneously to monitor both WSPR2 and WSPR15? It works fine here, though there is little WSPR-15 activity. Mike, G3XDV =
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00362.html (8,993 bytes)

194. LF: 136kHz T/A this weekend (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Mon, 19 Feb 2018 12:11:37 +0100
Interesting conditions this weekend. On Friday I received N1BUG's 133kHz WSPR2 transmissions a couple of times, on Saturday night he came through an amazing 23 times between 2326 and 0644UTC. But las
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00375.html (8,921 bytes)

195. Re: LF: Re: Wow, busy busy on 136!! (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Tue, 20 Feb 2018 10:52:20 +0100
I will be monitoring. In fact I have been running WSPR-X (the necessary software for receiving WSPR-15) for a few days now. The computer uses Win-10 and the software runs reliably, but I am not sure
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00393.html (13,151 bytes)

196. Re: LF: WSPR-15 on 136 KHz (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Wed, 21 Feb 2018 12:13:50 +0100
I was monitoring last night but WSPR-X crashed, so no results. I found I was not using WinXP compatibility mode, just the basic Win10. Now it's running 'compatibly' so I am testing it again. Mike, G3
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00408.html (10,121 bytes)

197. Re: [rsgb_lf_group] Re: LF: 136kHz T/A this weekend (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Wed, 21 Feb 2018 12:18:59 +0100
I am sure that you could receive my Op32 transmissions. I will be doing some overnight transmissions over the next week, so perhaps worth downloading the Opera software. My QRSS60 and Op32 signals ha
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00409.html (10,130 bytes)

198. LF: Re: [rsgb_lf_group] Tonight TX WSPR-2 and WSPR-15 (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Wed, 28 Feb 2018 12:51:28 +0100
Your WSPR-15 received here at 0600. Several WSPR-2 transmissions also seen at 0524, 0548 and 0554. Note that WSPR-X (the WSPR-15 receiving software, not to be confused with WSJT-X) is stable here pro
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-02/msg00492.html (9,772 bytes)

199. Re: LF: Tonight TX WSPR-2 and WSPR-15 (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 02 Mar 2018 11:40:49 +0100
Seven WSPR-15 transmissions from N1BUG received last night on 136kHz from 0000 to 0600. Only three WSPR-2 transmissions seen from him. Bad weather here (through better than many parts of the UK) mean
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-03/msg00011.html (10,212 bytes)

200. Re: [Lowfer] LF: Re: [rsgb_lf_group] Tonight TX WSPR-2 and WSPR-15 (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 09 Mar 2018 00:32:04 +0100
I also received 4 WSPR-15 transmissions from you last night, Paul, over a longer timescale than the WSPR-2. Obviously mysoftware did not report it. Mike, G3XDV ==
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-03/msg00067.html (11,042 bytes)


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