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301. Re: LF: Lf Frontend (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Thu, 12 May 2011 12:15:19 +0200
Hello Lubos, Yes it works but obviously the plastic housing is to small and so a capacitor was moving the resonance down. HGA22 was so strong it peaked the 0 dB mark of my soundcard and caused strong
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00178.html (11,192 bytes)

302. Re: VLF: DJ8WX (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Thu, 05 May 2011 17:33:36 +0200
Uwe, Chris, Excellent! Distance: http://no.nonsense.ee/qthmap/?qth=JO43SV&from=kn34al On a quieter day this may be even a bit better so its worth to see :-) Uwe is the first one detected in Romania!!
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00194.html (11,099 bytes)

303. Re: LF: Beacon (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Thu, 19 May 2011 14:28:09 +0200
Hello Lubos, Thanks for the feedback. I just set up a beacon for you: Mode QRSS-3, QRG: 137.75 kHz (distant to the QSO mode region). TX pwr is reduced to 40 W. Repeating each 10 minutes. Not sure how
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00196.html (11,349 bytes)

304. Re: LF: DK7FC 08-05-2011 in Moscow (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 10 May 2011 18:18:25 +0200
Thank you very much Alex. Unfortunately my grabber has had a fault since sunday (just a broken wire, already repaired), thus i haven't done many QSOs. But i saw my signal and the signal of DF6NM on t
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00198.html (9,227 bytes)

305. Re: LF: Zevs 23-5.jpg (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Mon, 23 May 2011 19:28:56 +0200
Hello Henny, Looks very good! What is the best SNR? A peak holding graph would help a lot here :-) Vy 73, Stefan/DK7FC Am 23.05.2011 12:27, schrieb henny van elst: Hi LF, Capture Zevs this morning he
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00199.html (9,554 bytes)

306. Re: LF: Spectrum Lab Filtering... (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 10 May 2011 11:27:49 +0200
Wolf, Thanks for the excellent service, once again! I just downloaded the new version on the LF PC and will install it separately. I'll test it with Markus in CW and will give you a feedback here. BT
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00208.html (11,649 bytes)

307. Re: LF: Alphas back? (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Wed, 25 May 2011 15:32:55 +0200
GBZ (19.58 kHz) seems to come back too! Currently transmitting a straight "carrier" that is at 35 dB SNR here, during strong QRN... Would be interesting to see that on your grabber Eddie ;-) 73, Stef
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00213.html (11,213 bytes)

308. Re: LF: OK_Grabber (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Wed, 18 May 2011 00:36:19 +0200
Hello Lubos, A nice to read article of your really good work! I am VERY optimistic that you will see me there in DFCW-3 on 8970 Hz in the autumn and winther 2011!! I hope it runs continously, even du
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00217.html (9,981 bytes)

309. LF: DJ8WX on 8970.022Hz (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 03 May 2011 21:04:47 +0200
Uwe, VLF, Today you are visible in 60000 and traces in 6000 but the QRN decreases the SNR significantly (i didn't change the brightness slider since the winther time!). 73, Stefan/DK7FC Am 02.05.2011
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00224.html (10,468 bytes)

310. Re: LF: RE: FCW keyer... (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Thu, 19 May 2011 14:46:15 +0200
Hello Rik, I'm still using V3.17. What is the most useful advantage(s) of V4.08? 73, Stefan Am 19.05.2011 09:50, schrieb Rik Strobbe: Szigy, I can offer you a software solution: http://www.qsl.net/on
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00225.html (10,151 bytes)

311. Re: LF: Alphas back? (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Wed, 25 May 2011 11:00:05 +0200
Yes! There was a short pesence of them just before 7 UTC but now they are gone again. At least it seems they will come back at all. They have been OFF for more than 2 weeks! 73, Stefan/DK7FC Am 25.05
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00252.html (9,724 bytes)

312. Re: LF: LF: ''5'' rcvd in Moscow (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Mon, 23 May 2011 19:30:15 +0200
Hello Alex, It is most probably Ossi / OE5ODL 73, Stefan/DK7FC Am 23.05.2011 18:25, schrieb Alex K: Hello LF! This signal rcvd 15-May-2011 in Moscow. What is it? 73 de RN3AUS
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00266.html (9,879 bytes)

313. Re: LF: 137kHz WSPR test (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 17 May 2011 11:24:17 +0200
Hello Martin, Thanks for the feedback. Yes, i sometimes TX in QRSS too. Could be a bit more maybe. Mostly no one is answering, so it doesn't matter if the call takes a bit longer, hi. I will keep it
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00270.html (12,071 bytes)

314. Re: LF: VLF - G3XIZ QRT - MF QRV (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 31 May 2011 15:34:03 +0200
Hi Chris, VLF, I have been 1600 km far away over the weekend but my grabber(s) was monitoring. Nothing seen here, unfortunately. Good luck with your improvements! I'll join in too, soon. 73, Stefan/D
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00308.html (11,038 bytes)

315. Re: LF: G3ZJO grabber (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Wed, 04 May 2011 18:27:21 +0200
Hello Eddie, Well, your noise floor below 5 kHz seems to look much better than here. I started some ULF tests last year but have (temporarely!) stopped due to the bad SNR and other more important pro
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00323.html (13,452 bytes)

316. Fwd: Re: LF: Re: Experimental QRSS-1 grabber at DK7FC (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 17 May 2011 17:47:20 +0200
The message seemed to be stopped by the reflector. Once again... 73, Stefan -- Original-Nachricht -- Betreff: Re: LF: Re: Experimental QRSS-1 grabber at DK7FC Datum: Tue, 17 May 2011 16:17:15 +0200 V
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00363.html (12,390 bytes)

317. Re: LF: Re: Experimental QRSS-1 grabber at DK7FC (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 17 May 2011 16:17:15 +0200
Tnx to PA0A and G3KEV for the test signals! Pics attached. 73, Stefan/DK7FC Am 17.05.2011 15:42, schrieb Stefan Schäfer: Mal, Could you try again. Haven't seen your transmission and didn't collect th
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00440.html (11,966 bytes)

318. VLF: DJ8WX (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Thu, 05 May 2011 12:52:25 +0200
VLF, Today DJ8WX is as strong as before (March 2011). About 20 dB SNR in 47 uHz and traces in the 600-window. Uwe, what is yout TX power and antenna current? What does your wife think about that? :-)
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00472.html (8,869 bytes)

319. Re: LF: Re: Experimental QRSS-1 grabber at DK7FC (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 17 May 2011 15:42:43 +0200
Mal, Could you try again. Haven't seen your transmission and didn't collect the captures. Now collecting and watching... 73, Stefan Am 17.05.2011 15:24, schrieb mal hamilton: Stefan Grabbers working
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00487.html (10,882 bytes)

320. Re: LF: Spectrum Lab Filtering... (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 10 May 2011 13:15:03 +0200
Hi Alan, Let's see what he will perform magic soon! :-) 73, Stefan/DK7FC Am 10.05.2011 12:22, schrieb Alan Melia: Hi Stefan if you are thinking of NMEA for timing I think you will find it inadequate
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00518.html (13,200 bytes)


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