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301. LF: Re: ARGO Build 113 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Sun, 07 Jan 2001 15:20:35 +0100
Good morning Alberto, I have another small problem with build 113 recently downloaded.A signal which produces a good display on build 110 seems to be far too strong for 113.So I have to reduce the s
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00783.html (8,939 bytes)

302. LF: URL for Argo (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Sat, 06 Jan 2001 19:10:06 +0100
If you experience difficulties in downloading the latest build of Argo, please be patient. I modified the DNS entries for weaksignal.com, but it takes as much as one full day before the mods are prop
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00804.html (7,816 bytes)

303. LF: Argo beta 1, build 113 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Sat, 06 Jan 2001 17:33:47 +0100
Hi all, I have just uploaded build 113 of Argo. After having downloaded it, please reread the Readme file, as I have added a few (very few...) explanations about the added spectral estimator, and the
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00808.html (8,152 bytes)

304. LF: Re: Spectrum of SXA/SXV (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Sat, 06 Jan 2001 01:11:18 +0100
Hi Alberto, Can you please send me Spectrum plot of Greek station . The plot should start at 135.6 kHz and end at 136.0 kHz . I am most interested in comparison of 135.7-135.8 segment with the 135.9
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00818.html (9,800 bytes)

305. LF: Re: Spectrum of SXA/SXV (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Fri, 05 Jan 2001 18:29:52 +0100
john sexton wrote: Hi All, I find the noise spectrum of this station to have the following structure: 135.670 - 135.678 very dense 135.678 - 135.75 density reduces to almost nothing ? 135.75 - 135.76
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00827.html (8,903 bytes)

306. LF: RE: LF Spurious signal on south coast (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Fri, 05 Jan 2001 18:08:45 +0100
[snip] Next project is a proper LF receiver with accurate and repeatable signal measuring capability and built in A/D converter to avoid having to use soundcards or external DSP for narrow band work
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00828.html (9,129 bytes)

307. LF: Re: LF Tonight (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Fri, 05 Jan 2001 13:59:23 +0100
[snip] I set the receiver to 136kHz SSB USB. Argo, on 'Full Band View'. The band from 136.0 to 137.5kHz can be seen and any signal can be selected and zoomed, a wonderful tool for monitoring. [snip]
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00836.html (8,608 bytes)

308. Re: LF: Freq stability, cheap source of (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Thu, 04 Jan 2001 17:28:19 +0100
Greetings All: There is a very cheap source of very high stability reference available to everyone. It is the 1 PPS from almost any second hand OEM level GPS receiver. I have one here that cost $20
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00866.html (10,027 bytes)

309. LF: Re. ARGO, Beta 1 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Thu, 04 Jan 2001 12:18:44 +0100
Alberto Many thanks for the excellent Argo. It seems very sensitive and a pleasure to use. I have not checked for the contrast setting problem but there is one small problem on this machine. When th
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00871.html (9,353 bytes)

310. LF: RE: Freq stability (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Thu, 04 Jan 2001 12:11:21 +0100
The TVNZ nationwide network, with two Tv channels, has a Rubidium source for timing. 73, Bob In Italy, the state-owned TV broadcaster RAI has all its timings locked to a central Caesium standard, in
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00872.html (8,836 bytes)

311. Re: LF: Gyrators (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Thu, 04 Jan 2001 00:58:54 +0100
Alberto I2PHD, Alberto, first of all thanks for providing ARGO, I have played around with it and found it very useful. About the coils on 9 kHz: I am using a u-shaped core with a closing bar on top
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00878.html (9,332 bytes)

312. Re: LF: Re. Argo Beta 1 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Wed, 03 Jan 2001 19:47:35 +0100
Hello again Alberto, Many thanks for your reply to my mail. The problem is that if I move the slider away from the start position either way left or right the contrast changes as expected BUT when I
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00883.html (8,872 bytes)

313. Re: LF: Gyrators (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Wed, 03 Jan 2001 19:11:33 +0100
Hi Alberto Stokes original article was re-printed in the old LF Experimenters Source Book, together with another explaining the theory. I built the original circuit. It is very simple and lacks most
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00884.html (8,798 bytes)

314. LF: Gyrators (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Wed, 03 Jan 2001 17:32:05 +0100
Has anybody experience with gyrators ? A friend pointed me at this page : http://www.aavso.org/committees/solar/gyrator.stm which contains the schematic of a VLF receiver where the inductances have b
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00889.html (8,166 bytes)

315. Re: LF: Re. ARGO, Beta 1 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Wed, 03 Jan 2001 16:48:03 +0100
Hi Alberto, I have a small problem with Argo, if I change the contrast setting while running the program, cannot return to the initial (default) setting without exit from the program and restart. I
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00894.html (9,026 bytes)

316. Re: LF: Re: 10 sec. dots (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Mon, 26 Feb 2001 14:47:08 +0100
Oh -- that explains a lot -- Particularly, why, during testing yesterday of SMT Hell bandwidths and pixel durations, the optimum settings for decoding with Argo seemed to come out with ratios that d
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00033.html (8,792 bytes)

317. LF: Re: 10 sec. dots (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Mon, 26 Feb 2001 13:37:05 +0100
Saturday afternoon I was in the shack and had ARGO running (at 3sec/dot) while being otherwise occupied. at 17.50 I saw a very faint interruped line on 137701, 'T' copy at best. It seemed 10sec/dot
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00036.html (9,130 bytes)

318. Re: LF: keps (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Mon, 26 Feb 2001 12:52:21 +0100
Hi All Although this is the other end of the spectrum from LF, does anyone know the email address for keplerian elements for amateur and other satellites. I use the IT prog with auto load for either
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00038.html (8,426 bytes)

319. LF: Re: G3NYK/PA0SE-bridges (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Sun, 25 Feb 2001 15:18:04 +0100
[snip] I tested my bridges by connecting them to a 3 m long piece of RG213 type 50 ohm coax that was terminated by a 50 ohm resistor (actually two 100 ohm resistors in parallel). That produces a sta
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00061.html (9,808 bytes)

320. LF: Argo beta 1, build 123 (score: 1)
Author: "Alberto di Bene" <[email protected]>
Date: Wed, 21 Feb 2001 15:49:05 +0100
Hi all, many Argo users did complain about the fact that the screen capture facility did not work, or better, it worked incorrectly, when the Argo screen was covered by other windows or a screen save
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00119.html (9,323 bytes)


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