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281. LF: Re. Beacon. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Wed, 6 Jun 2001 22:36:03 +0100
Hi John and all. Sorry can't run the beacon tonight,problem rather more serious than just blown fuses.Will try to fix in the next day or two. I hope! 73s Laurie.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00239.html (7,751 bytes)

282. LF: Re. Wire in the Air etc. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 5 Jun 2001 23:25:56 +0100
Hi John, Thanks for listening, TX running now. Re. Ant, you asked if improvement could be due to smaller loading coil. I dont think so ,total loss is 35ohms of which coil loss is about 5ohms, so redu
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00245.html (8,766 bytes)

283. LF: Re. 73KHz tests (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 5 Jun 2001 16:28:19 +0100
Hi John, Sorry nothing seen last night. I am quite keen to confirm the other nights sighting so will transmit again tonight. Freq. confirmed as 71,921.5KHz. shift now a little greater at 0.1hz DFCW o
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00250.html (8,560 bytes)

284. LF: Wire in the Air etc (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 5 Jun 2001 16:23:40 +0100
Hi Tom / John, Most of the wire is in one length although it zig zags to get it into available space ,looks like a letter N with the vert. section connected to the top of the RH vert stroke.There is
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00251.html (8,896 bytes)

285. LF: Wire in the Air more info. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 5 Jun 2001 13:53:45 +0100
During the T/A tests last winter I ran out 2 additional radials 150 ft. long into the sea water with 4ft long earth rods. Recently the grass had to be cut so I brought these radial in,carefully check
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00255.html (9,462 bytes)

286. LF: Re. 73KHz tests (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 5 Jun 2001 13:23:51 +0100
Hi Peter, I dont think Ko's findings are too far out. Please forget my mistake, R.res calculated should read 0.02 ohms. If we take your estimated Rad.pwr of 23.2 mW and increase it by 8db (x6.31) thi
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00257.html (8,854 bytes)

287. LF: Re. 73KHz (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Mon, 4 Jun 2001 15:40:10 +0100
Great John, I think you did it ! my frequencies last night :- Dash = 71,921.45 Dot = 71,921.35 as measured here, +/- a bit I guess. Can you confirm the very close spacing of my dots/dashes ? If so I
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00277.html (8,526 bytes)

288. LF: Re. 73KHz tests (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Mon, 4 Jun 2001 09:58:29 +0100
Thanks Ko for the report.glad you saw us. Thanks Peter for the comments on the B.09 K Amp.I think I must be getting 600/700 W since my Ant current is 3.5A (ground loss probably twice that on 136 say
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00283.html (8,769 bytes)

289. LF: Re 71Khz T/A tests (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sun, 3 Jun 2001 23:27:02 +0100
Hi Peter and all, I think things are against us but its worth a try,and I want to see if the fuses will hold out. The TX runs more power on 71.9 so gets hotter,but the radiated power is less probably
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00286.html (7,970 bytes)

290. LF: LF tests. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sun, 3 Jun 2001 19:52:04 +0100
Hi all, I am going to run the beacon on 71.922 tonight, a long shot I know but who knows! 73s Laurie
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00290.html (7,712 bytes)

291. LF: Re. lf tests (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sat, 2 Jun 2001 16:00:44 +0100
Hi John, Alan,Brian, and All, Thanks for the report John,looks like you are getting good at forecasting now Alan! Brians excellent plot show the path to CT opening earlier,but closing at about the sa
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00301.html (7,859 bytes)

292. LF: Re. Beacon (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Fri, 1 Jun 2001 18:29:33 +0100
Hi John and all, Alan says things are quiet also sunspot No. quite low so I will run the beacon tonight. Same freq 135.922. 73s Laurie.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00306.html (7,795 bytes)

293. LF: Re. 73KHz Beacon. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Mon, 30 Jul 2001 08:52:56 +0100
I ran the beacon from 2230UTC until about 0100 when I checked and found that the fuses had blown. Heat sink still hot so fairly recent. Replaced fuses and reset Dash/Dot ratio to 2:1. Checked again a
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00017.html (8,191 bytes)

294. LF: Re. 73KHz Beacon (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sun, 29 Jul 2001 18:15:05 +0100
Hi John and all, Sunspot no's and Kp index pretty low so I shall run my beacon again tonight. Freq. 71.922KHz., 30 sec dot QRSS., from 2230 to 0400 UTC approx. Hope you are about John. 73s Laurie.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00022.html (7,873 bytes)

295. LF: Re. 73KHz. this morning. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sat, 21 Jul 2001 21:17:31 +0100
Hi All, Worked my best 73KHz DX this morning G3YXM Birmingham, thanks Dave you were a very good signal on my NW/SE Ant. Also worked Mike G3XDV on manual morse so thats another good one.Thanks Mike. 7
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00055.html (7,964 bytes)

296. LF: Re.60khz etc. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Thu, 19 Jul 2001 17:27:20 +0100
Hi Mike and all, I will look for you this evening . Perhaps we can have that QSO. My freq 71.612 if I see you QRSS .I will also beacon on 71.922 QRSS 30 sec dots from 2100 to 2200.UTC. 73s Laurie.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00067.html (7,963 bytes)

297. LF: Re. Rx sensitivity again (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Sun, 8 Jul 2001 13:21:11 +0100
Hi Alan and All. Alans comments re Reg's Groundwave program and DCF39 prompted me to get my F/S equipment out this morning. I use a calibrated ferrite rod antenna and an SPM-3 Level meter. DCF39 was
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00158.html (8,668 bytes)

298. LF: Re. Claim of ZL to VE7 amaueur LF DX. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Thu, 5 Jul 2001 12:34:49 +0100
I should like to add my congratulations to Steve and all involved in this outstanding event,11,907kms-thats going to be hard to beat. I would appreciate details of ERP and ants,both TX and Rx. 73s La
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00176.html (8,088 bytes)

299. LF: Re. Net access on power lines etc. (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Wed, 4 Jul 2001 09:02:09 +0100
Thanks Tracey for the information on the PLT situation in Germany. I wrote to my MP a few weeks ago on the subject and finally recieved a disturbing reply from Erkki Liikanen of the European Commissi
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00188.html (9,278 bytes)

300. LF: Re. 73KHz Tuesday (score: 1)
Author: "Laurie Mayhead" <[email protected]>
Date: Tue, 3 Jul 2001 19:40:58 +0100
Mike your QRSS signals now strength "O" very readable in strong QRN. Not audible in 300Hz bandwidth. Confirm no sig. from loop Ant. used this morning. Thanks for test 73s Laurie.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00192.html (8,093 bytes)


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