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References: [ +from:word.factory@zetnet.co.uk: 183 ]

Total 183 documents matching your query.

1. LF: PA2NJN (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Mon, 22 Feb 1999 00:04:46 +0100
Received at RST 229 on 136 kHz at 1335UTC using a 25 turn 30cm diameter loop (resonant at 88 kHz for cave radio). Not audible on Marconi T. Location is 20 km north of Felixstowe. This message was sen
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-02/msg00005.html (7,742 bytes)

2. Re: LF: 137 Carrier (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 28 Mar 1999 07:01:47 +0100
Another approach, possible with some receviers, is John Rabson (G3PAI)'s logging software, referred to in a previous reflector email ;-) I have written some simple software to control the Lowe HF250
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00192.html (9,804 bytes)

3. LF: RE: CFA (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sat, 03 Apr 1999 19:26:07 +0100 (BST)
I have obtained a copy of the patent spec for this invention. From a patent spec someone skilled in the art ought to be able to make a CFA without assistance from the inventor. Having read the spec I
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-04/msg00024.html (8,499 bytes)

4. LF: 136 kHz Report Sunday morning 16 May 1999 (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 16 May 1999 19:54:01 +0100
Between 1030 and 1045 UTC today, at a rural location about 5 km east of Ipswich, I heard: G3GRO/P (569) workinjg GW4ALG (229) G3KEV (589) G3YXM (569) The RX was a CM Howes DC2000 modified for LF, plu
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-05/msg00038.html (8,052 bytes)

5. LF: Talk on LF - 30 May 1999 (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Fri, 28 May 1999 19:49:59 +0100
On Sunday next between 1045 and 1130 UTC I shall be speaking at the East Suffolk Wireless Revival on 'LF Radio - how to join in'. If you are in the Ipswich area please drop in. Talk-in will be on 145
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-05/msg00074.html (8,559 bytes)

6. LF: 30 May 1999 (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 06 Jun 1999 11:33:21 +0100
DCF was S9+20 dB on my simple RX and loop, but nothing else heard near Ipswich except _lots_ of QRN. Many thanks to people who did transmit. 73 de G3PAI This message was sent by XFMail --
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-06/msg00026.html (7,834 bytes)

7. RE: LF: 137 kHz RTTY (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Fri, 02 Jul 1999 20:37:34 +0100
... It was loud and clear by ear around 0230z (4:30AM CET). Level about 0230z is 0430 CEST, surely? (CET = z + 1 hour, CEST = z + 2 hours) 73 de G3PAI This message was sent by XFMail --
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-07/msg00011.html (8,308 bytes)

8. LF: Polarisation (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Mon, 02 Aug 1999 22:19:44 +0100
About 30 yrs ago, there was an LF TX at Ongar Radio which (I was told) used a horizontal halfwave on 90 kHz (ish). Do any ex-PO people know anything about it? 73 de G3PAI This message was sent by XFM
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-08/msg00026.html (8,242 bytes)

9. RE: LF: Re: Musing on the data on CFH, and some seagoing observa (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Wed, 27 Oct 1999 20:02:13 +0100
In 1961 a retired RO told me of the night when his ship was about to enter port in Alaska. He called the Alaskan coast station on 500 but was answered by a station in New Zealand. 73 de G3PAI the rem
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-10/msg00190.html (11,637 bytes)

10. RE: LF: Interferance (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 21 Nov 1999 19:41:11 +0100
This sounds like LORAN (aka Galloping Horses) on 100 kHz. It does spread (legally - G3JKV? has had it checked). There are two or three tranmsitters in NW Europe, incdluing one at Lessay, on the Frenc
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00168.html (9,372 bytes)

11. RE: LF: Isle of Man Operation. (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Wed, 24 Nov 1999 16:22:02 +0100
I heard that Guernsey and Jersey are lovely places, especially in early springtime ... Not to mention Sark ... 73 de G3PAI This message was sent by XFMail --
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00202.html (8,591 bytes)

12. RE: LF: (no subject) (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Mon, 13 Dec 1999 12:12:53 +0100
Carefulll! One brand is 6 ohms _per metre_. 73 de G3PAI This message was sent by XFMail --
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-12/msg00050.html (8,977 bytes)

13. LF: LF DX records (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Thu, 23 Dec 1999 08:30:02 +0100
Early in January, I have to talk to a local radio club on progress on LF. Does anybody keep a list of the current DX records? I would like to get in touch with them at the beginning of January to che
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-12/msg00121.html (7,707 bytes)

14. LF: Re: Re: CQ F6CNI KN (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Tue, 28 Dec 1999 10:26:27 +0100
Daniel, Si vous permettez, je fais un traduction. [By your leave, I will provide a translation] Although I am an F1 [VHF only] I am interested as an SWL in LF. Here I am building an indoor loop one m
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-12/msg00144.html (8,777 bytes)

15. Re: LF: Re: AMRAD Antenna ? (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 09 Jan 2000 19:43:59 +0100
We use this technique of grounding both ends of a wire in Cave Radio work as it enables us to communicate to a greater depth than does the conventional method, which uses resonant loops a metre or tw
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00073.html (18,898 bytes)

16. Re: LF: Comment - Transatlantic (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Wed, 19 Jan 2000 21:39:38 +0100
? I am the most Northern active in England until you get to MM0ALM near Aberdeen. Since when has Aberdeen been part of England? 73 de John Rabson G3PAI
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00236.html (8,821 bytes)

17. LF: Re: 8 kHz loading coil (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sun, 30 Jan 2000 08:46:50 +0100
Christer, With the figures you give I estimate you will be getting about 100 KV across the inductor. An air-cored coil , of substantial size, would seem to be the best way of doing things. By the way
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00345.html (9,708 bytes)

18. LF: Re: Re: 136kHz weak signals (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Sat, 26 Feb 2000 09:10:12 +0100
Long Delay Echo? 73 de John Rabson G3PAI ... I noticed another weak signal had been recorded at around 137.740kHz. It turned out to be sending the same data as GM3YXM/P but with a mystery delay timin
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00260.html (9,499 bytes)

19. LF: Re: Balloon flying (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Thu, 16 Mar 2000 07:48:12 +0100
... a local farmer had reported seeing a UFO (the balloon) when G3OIT tried this the farmer used a shotgun on the 'UFO' 73 de John Rabson G3PAI
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00153.html (8,872 bytes)

20. LF: MSF (6O kHz) and DCF77 (77.5 kHz) (score: 1)
Author: "John Rabson" <word.factory@zetnet.co.uk>
Date: Wed, 22 Mar 2000 07:16:41 +0100
Does anyone know the geographical coordinates of these stations, please? 73 de John Rabson G3PAI
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00204.html (7,707 bytes)

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