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41. Re: LF: QRN & CW / Commercial CW on LF (score: 1)
Author: "john sexton" <[email protected]>
Date: Fri, 12 May 2000 10:56:04 -0700 (PDT)
Hi Jim, Yes it is an Indian station and has been mentioned a few times on the reflector. I think one of our friends down under mentioned it last as audible in VK. Like you I found it by chance. It so
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00162.html (8,751 bytes)

42. Re: LF: My TS850 (score: 1)
Author: "john sexton" <[email protected]>
Date: Sun, 14 May 2000 11:50:05 -0700 (PDT)
hi Dave and All, I use a set of inexpensive specs from 1 dioptre up to 6 dioptres. The low power ones from Boots and the high power ones were bought in the Moscow Metro for about £2 a pair, but you h
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00188.html (8,575 bytes)

43. Re: LF: Re: LF receivers (score: 1)
Author: "john sexton" <[email protected]>
Date: Thu, 18 May 2000 10:36:26 -0700 (PDT)
Hi Peter, Several of us are using the AOR7030 and are very pleased with it. Others that I know of are Vaino Lehtoranta OH2LX and Alan Melia G3NYK. Unfortunately I have no other rx to compare it with
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00268.html (9,264 bytes)

44. Re: LF: Puckeridge Decca station - Big & small antennas (score: 1)
Author: "john sexton" <[email protected]>
Date: Thu, 18 May 2000 13:00:07 -0700 (PDT)
You can't win Rik! Hi! John, G4CNN _______________________________________________________ Get 100% FREE Internet Access powered by Excite Visit http://freelane.excite.com/freeisp
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00273.html (9,316 bytes)

45. Re: LF: Re: Puckeridge Decca station - Big & small antennas (score: 1)
Author: "john sexton" <[email protected]>
Date: Fri, 19 May 2000 10:41:47 -0700 (PDT)
umbrella structure with the eight downwires or 'top loading' wires extended down nearly to ground level, quite close in to the mast proper. The reasons for this were explained on the reflector some
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00284.html (9,727 bytes)

46. LF: Re: QRV on 136 and Puckeridge tests (score: 1)
Author: "john sexton" <[email protected]>
Date: Sat, 20 May 2000 05:27:49 -0700 (PDT)
Hi Jim and All, I worked M0BMU/P at 0900 this morning, my first QSO on LF and got 569 from him. Naturally I am delighted, but now see that more work on the Antenna is required. My thanks must go to G
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00297.html (9,086 bytes)

47. Re: LF: Re. Decca Mast (G3KEV) (score: 1)
Author: "john sexton" <[email protected]>
Date: Sun, 21 May 2000 11:50:07 -0700 (PDT)
Hi Mal, Isn't an antenna which fits your restricted definition of an inverted L, better described as a top loaded vertical? 'Inverted L' is surely just a pictorial description and not restricted to a
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00314.html (8,569 bytes)

48. Re: LF: Antenna calculation (score: 1)
Author: "john sexton" <[email protected]>
Date: Mon, 22 May 2000 10:23:29 -0700 (PDT)
Hi Marc, Several of us are using GW4ALGs matching transformer successfully. It seems to work well for me. See his web page at: http://www.alg.demon.co.uk/radio/136/intro.htm Best 73s John, G4CNN ____
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00341.html (8,359 bytes)

49. Re: LF: BPSK's, not all the same. (score: 1)
Author: "john sexton" <[email protected]>
Date: Fri, 2 Jun 2000 10:30:08 -0700 (PDT)
Hi Larry, Where can we learn more about BPSK, and in particular AFRICA/COHERENT by Bill de Carle? John, G4CNN _______________________________________________________ Get 100% FREE Internet Access pow
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00028.html (8,247 bytes)

50. LF: Re: Solar flares (score: 1)
Author: "john sexton" <[email protected]>
Date: Wed, 7 Jun 2000 10:17:00 -0700 (PDT)
Hi All, Thought the following might be of interest: Space Weather News for June 6, 2000 An intense "X-class" solar flare today was followed by a full-halo coronal mass ejection. Material from the lea
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00102.html (8,227 bytes)

51. LF: Re: Mystery (score: 1)
Author: "john sexton" <[email protected]>
Date: Fri, 9 Jun 2000 14:32:29 -0700 (PDT)
Hi Peter, The secret is to be patient. My first reaction was there was nothing there, but after waiting a whole page, all was revealed. It reminds me of sky writing. I hope that Andy is going to expl
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00123.html (8,589 bytes)

52. Re: LF: Re: Re: Mystery (score: 1)
Author: "john sexton" <[email protected]>
Date: Sat, 10 Jun 2000 06:06:52 -0700 (PDT)
Hi Andy, Thanks for the explanation. As I am sure you know HellSchreiber, means Bright Writer, which this certainly is. This PM noticed that it had reduced to 5 Hz, so I decreased the resolution to 0
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00129.html (8,380 bytes)

53. LF: Re: HellSchreiber (score: 1)
Author: "john sexton" <[email protected]>
Date: Mon, 12 Jun 2000 10:28:25 -0700 (PDT)
Hi Mitch and All, Mitch VE3OT wrote that HellSchreiber is named after the inventor, Dr. Hell. You are of course right Mitch. It just goes to show how a little knowledge is a dangerous thing, hi! I th
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00143.html (8,816 bytes)

54. LF: Re: RTTY station (score: 1)
Author: "john sexton" <[email protected]>
Date: Mon, 12 Jun 2000 10:30:05 -0700 (PDT)
Hi All, Can anyone tell me what the RTTY station on 136.648 is? This appears to be the spacing frequency, and there appears to be a marking frequency only 20 Hz lower. John, G4CNN ___________________
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00144.html (7,818 bytes)

55. Re: LF: Re: HellSchreiber (score: 1)
Author: "john sexton" <[email protected]>
Date: Tue, 13 Jun 2000 10:13:46 -0700 (PDT)
Hi Mike, Not my day for getting things right is it! Unfortunately I had deleted the original E-mail and could only remember that it was M. Powell. Curiously there are two of you! Thanks for putting m
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00156.html (8,278 bytes)

56. Re: LF: The secret is out (score: 1)
Author: "john sexton" <[email protected]>
Date: Sat, 17 Jun 2000 08:59:53 -0700 (PDT)
Hi Andy, What I presume was the 20Hz bandwidth signal transmitted in the morning, was quite readable, but weak. How do we give reports for these transmissions? The 2.5Hz bandwidth signal was bright a
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00166.html (8,509 bytes)

57. Re: LF: Very Slow Hell (score: 1)
Author: "john sexton" <[email protected]>
Date: Mon, 19 Jun 2000 10:16:00 -0700 (PDT)
Hi Andy, I didn't have much time on Sunday, but did look briefly around 11.30 local. It was just visible, but very weak. Knowing what the letters were, made it possible to identify it. John, G4CNN __
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00174.html (8,205 bytes)

58. Re: LF: lf tests (score: 1)
Author: "john sexton" <[email protected]>
Date: Sat, 30 Dec 2000 14:24:03 -0800 (PST)
Hi John and All, Jack's signal at 22.00 tonight (2000.12.30) is a little weaker than when I recorded him a week ago, but still quite readable. I would give him OMO. The main thing is to set up Spectr
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-12/msg00035.html (8,461 bytes)

59. Re: LF: DCF spurious: EMRP correction (score: 1)
Author: "john sexton" <[email protected]>
Date: Sat, 30 Dec 2000 11:15:05 -0800 (PST)
Hi Marcus, That was me mate. Thanks for the details and the formulae concerning the interaction between DCF42 and DCF49. For your information I have calculated the spurii resulting from these interac
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-12/msg00037.html (8,355 bytes)

60. LF: VE1ZZ and DCF spurious (score: 1)
Author: "john sexton" <[email protected]>
Date: Fri, 29 Dec 2000 09:21:33 -0800 (PST)
Hi Markus, I notice that if one adds the frequency of DCF42 to the line frequencies that are causing you problems, the resultant frequencies are very close to the broadcast station "Radioropa" at Bur
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-12/msg00055.html (8,302 bytes)


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