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41. LF: Friday night/cross-band QSO's (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 31 Mar 2000 17:57:30 +0000
Dear LF Group, When I last listened, Rugby was still be off the air on 73kHz, so I will be active again on that band tonight, from about 1900utc onwards, with normal CW or QRSS, whichever seems appro
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00314.html (8,642 bytes)

42. LF: 73kHz Friday night (score: 1)
Author: "James Moritz" <[email protected]>
Date: Mon, 3 Apr 2000 14:48:11 +0000
Dear LF group, Had a nice QSO with G4GVC on 73kHz for the first time on friday night using normal CW. Also could hear G2AJV's beacon signal again - the frequency drift that I have noticed on Roger's
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00020.html (8,828 bytes)

43. LF: This weekend (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 7 Apr 2000 18:02:33 +0000
Dear LF group, I have had my LF rig in pieces during the week, getting it into more presentable shape for possible /P operation. It's almost done now, so I hope to be QRV later this evening on 73kHz.
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00079.html (8,249 bytes)

44. LF: Tuesday evening (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 12 Apr 2000 13:52:23 +0000
Dear Derek & Lech (I don't know if Lech has an E-mail address) Thanks for an interesting evening at Puckeridge - It was good to meet up with yourselves and Mike, and also to play around with a 'real
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00125.html (8,904 bytes)

45. LF: Weekend on 73kHz / Puckeridge Decca Station (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 12 Apr 2000 19:06:57 +0000
Dear LF Group, Had an exciting weekend on 73kHz, with some new stations, and several nice cross-band QSOs. On Friday evening, I had a 73kHz contact with John, G4GVC, who alerted me to the fact that G
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00132.html (10,780 bytes)

46. Re: LF: DCF39 info please (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 14 Apr 2000 10:36:42 +0000
Dear Larry & LF Group, I also noticed DCF39 was off air at about 0100utc last night. It was back on again later. I also heard what I think was CFH, bulding up to about 15-20dB above the noise floor b
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00169.html (8,548 bytes)

47. LF: Transatlantic Tests (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 27 Apr 2000 11:27:24 +0000
Dear LF Group, With all this talk of millihertz resolution, and atomic clock-like stability, I wonder if any particular frequencies or sub-bands have been considered for transatlantic test purposes?
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00315.html (8,714 bytes)

48. LF: Has Anyone heard from GW3XDV/P? /Transatlantic frequencies (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 28 Apr 2000 14:05:30 +0000
Dear LF Group, Has anybody heard/worked GW3XDV/P yet? I was QRV on 73kHz last night, although not until about 1900, but could hear and see very little due to the fantastically high level of QRN. I co
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00328.html (9,056 bytes)

49. Re: LF: Re. Beacon Power control. (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 3 May 2000 17:33:54 +0000
Hi All, Perhaps this is just too naive-but would it not be possible to put a resistor in series to swamp the Ant.system resistance so that changes in it have little or at least less effect on the cu
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00037.html (9,282 bytes)

50. Re: LF: GOOD NEWS on 73kHz (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 5 May 2000 14:19:51 +0000
Dear LF Group, Great news! With 73k available over another winter, who knows what is possible - Transatlantic III anyone? Cheers, Jim Moritz 73 de M0BMU
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00063.html (8,509 bytes)

51. LF: RE: 1Hz Bandwidths (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 10 May 2000 16:56:11 +0000
All signals sound like a perfect audio tone - even static crashes sound like a carrier with slow fading on it ! Loran lines are tones in this BW. But it really does bring signals out of the noise, ev
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00128.html (10,070 bytes)

52. LF: QRN & CW / Commercial CW on LF (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 12 May 2000 13:06:23 +0000
Dear LF Group, My homebrew RX has no AGC - instead, I use an audio clipping circuit with a variable threshold, which is quite good at reducing the effect of QRN, both for normal and QRSS CW. I adjust
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00154.html (9,247 bytes)

53. LF: Puckeridge Decca station - Big & small antennas (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 17 May 2000 12:36:28 +0000
Dear LF Group, This weekend, I am hoping to make another expedition to the Puckeridge Decca station, which has been made available again through the good offices of G3JKV and the Crawley club. The ma
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00242.html (11,943 bytes)

54. LF: Puckeridge Experiments (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 18 May 2000 13:54:45 +0000
Dear LF Group, Glad to see my intended experiments are generating some interest. At the moment, my main priority is to get everything up to Puckeridge in working order, which is quite an effort, but
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00265.html (12,424 bytes)

55. LF: Puckeridge Expedition, 20th/21st May (score: 1)
Author: "James Moritz" <[email protected]>
Date: Mon, 22 May 2000 14:18:38 +0000
Dear LF Group, Many thanks to all those who worked M0BMU/P over the weekend, or who sent listener reports. Also I am very grateful to all those who patiently gave comparative signal reports with the
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00334.html (10,029 bytes)

56. LF: Re: Best tone for aural copy (score: 1)
Author: "James Moritz" <[email protected]>
Date: Mon, 22 May 2000 16:48:32 +0000
Dear LF Group, I am intrigued by the discussion about different tones, listening conditions, etc. Personally, I favour about 1kHz, but this might just be because that's the frequency which comes out
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00340.html (11,935 bytes)

57. LF: Re: AR88D and diversity (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 26 May 2000 11:19:33 +0000
Dear LF Group, Larry VA3LK I recently bought an AR88LF receiver - this is more or less the same as the AR88D, but with the MF bands replaced with two LF bands covering about 73kHz - 540kHz. The IF fr
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00375.html (9,420 bytes)

58. Re: LF: Diversity reception (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 1 Jun 2000 10:13:27 +0000
Dear LF Group, The Idea of having several widely separated, synchronised receivers for diversity reception sounds rather like the 'Very Long Baseline Interferometer' techniques used by radioastronome
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00003.html (8,429 bytes)

59. LF: QRSS vs. BPSK, etc. (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 1 Jun 2000 13:52:22 +0000
Dear LF Group, I'm sure that modes such as BPSK have considerable technical advantages compared to the slow CW modes. But as in most areas of engineering, technical excellence is not the only factor.
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00010.html (9,151 bytes)

60. LF: Litz wire stripping method (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 2 Jun 2000 12:57:58 +0000
Dear LF Group, I recently salvaged some thick litz wire, and have been trying to find a workable method of stripping the insulation. The enamel is of the older, dark coloured type, which cannot be re
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00022.html (9,616 bytes)


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