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341. Re: LF: VO1NA - carrier (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 9 Dec 2015 17:12:24 -0500
Hi Edgar, no I don't think so. It's not a very high peak (12 dB), too low in freq (-18 mHz), and probably too late for propagation (13:45 UT). Best 73, Markus --Ursprüngliche Mitteilung-- Von: edgar
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00228.html (12,129 bytes)

342. Re: AW: Re: AW: Re: LF: 8270 Hz traces again! AK (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 9 Dec 2015 17:14:12 -0500
yesss please ;-) 73, Markus --Ursprüngliche Mitteilung-- Von: uwe-jannsen <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Mi, 9 Dez 2015 10:53 pm Betreff: AW:
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00229.html (12,178 bytes)

343. Re: LF: EA5DOM back to MF, but QRP at the moment (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 9 Dec 2015 17:19:04 -0500
Watts or milliwatts? 73, Markus --Ursprüngliche Mitteilung-- Von: Graham <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Mi, 9 Dez 2015 11:07 pm Betreff: Re: LF
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00230.html (12,799 bytes)

344. Re: LF: LF EbNaut test from JN80 on 137370 (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 9 Dec 2015 18:09:30 -0500
Two more: 2015 Dec 9 "IZ7SLZ" 6ch 16K21A 2s start Eb/N0 UT dB 2000 22.1 2100 18.7 2200 21.1 73, Markus --Ursprüngliche Mitteilung-- Von: Markus Vester <[email protected]> An: rsgb_lf_group <rsgb_l
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00236.html (12,649 bytes)

345. Re: LF: DC spike at 1 kHz (score: 1)
Author: Markus Vester <[email protected]>
Date: Thu, 10 Dec 2015 05:52:28 -0500
Hi Andy, presumably the digital 1 kHz-to-baseband conversion is done in an FPGA or DSP in realtime. The associated periodic processing activity or register content could lead to a 1 kHz component rad
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00242.html (10,786 bytes)

346. Re: LF: VO1NA - carrier (score: 1)
Author: Markus Vester <[email protected]>
Date: Thu, 10 Dec 2015 13:04:40 -0500
Attached is the continuation of the carrier plot until 16:24 UT today. The continuous phase plot has been centered 0.12 mHz below nominal, but it may have suffered from a couple of cycle slips. Yes t
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00255.html (13,399 bytes)

347. Re: LF: VO1NA - carrier 0900 - 1200 UTC (score: 1)
Author: Markus Vester <[email protected]>
Date: Sat, 12 Dec 2015 14:37:57 -0500
Hi Joe, Paul, here's my three day's worth... Going from 2 to 5 minute averaging seemed to produce fewer cycle slips, and the best-fit average frequency was now around -0.144 mHz. As my calibration is
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00304.html (14,064 bytes)

348. Re: LF: WSPR on LF/MF (score: 1)
Author: Markus Vester <[email protected]>
Date: Sun, 13 Dec 2015 07:32:16 -0500
Yes Mike, VK2ALF was apparently listening on 30m (10.14 MHz). All the best, Markus (DF6NM) --Ursprüngliche Mitteilung-- Von: Mike Dennison <[email protected]> An: rsgb_lf_group <rsgb_lf_grou
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00310.html (10,102 bytes)

349. Re: LF: XPQ and others on WSPR15 (WSPR-X) (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Sun, 13 Dec 2015 22:47:42 +0100
Laurence, this may be a long shot but I've started WSPR-15 receive 137.6 to .625 kHz. 73, Markus (DF6NM) From: [email protected] Laurence KL7 L Sent: Sunday, December 13, 2015 10:04 PM T
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00327.html (10,355 bytes)

350. LF: WSPR-15 (score: 1)
Author: Markus Vester <[email protected]>
Date: Sat, 19 Dec 2015 20:09:50 -0500
R7NT, UA9UIZ and DF6NM are sending LF WSPR-15 tonight. Potential collaborators and reports are very welcome! Best 73, Markus
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00348.html (8,815 bytes)

351. Re: LF: VLF in VO (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Sun, 20 Dec 2015 23:20:33 +0100
Yes Paul, that sounds like a very reasonable proposal. Joe's OCXO is obviously stable enough for the task, all that's needed there is a different frequency word for the DDS. And considering the anten
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00363.html (13,207 bytes)

352. RE: LF: XPQ (score: 1)
Author: Markus Vester <[email protected]>
Date: Sun, 27 Dec 2015 12:27:29 -0500
Hi Laurence, I've shifted the zoomed section of the 438 uHz spectrogram 1 Hz down to 137776 but nil so far. Well I think you mentioned that your LF transmit loop is not pointing towards Europe, but I
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00468.html (11,246 bytes)

353. Re: LF: RE: FR5ZX back on WSPR MF (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Wed, 30 Dec 2015 20:32:45 +0100
Luis, thanks a lot for sharing this information. We can all wish Michel good luck in the process of getting on air. Reunion in VLF ! :-) ... well that's a natural match - for many years, La Reunion h
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-12/msg00494.html (15,103 bytes)

354. LF: 29.7 kHz (score: 1)
Author: Markus Vester <[email protected]>
Date: Fri, 1 Jan 2016 07:00:51 -0500
Hi Laurence, might be from Israel (same as 26.0 kHz): https://groups.yahoo.com/neo/groups/VLF_Group/conversations/topics/23717 73 and happy 2016! Markus (DF6NM) --Ursprüngliche Mitteilung-- Von: Laur
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00001.html (11,071 bytes)

355. Re: LF: A new mode? (score: 1)
Author: Markus Vester <[email protected]>
Date: Tue, 5 Jan 2016 16:40:08 -0500
"HNY" from UW8SM, using slow sequential-multitone Hell for a QRSS-30 spectrogram. Try scaling the screenshot 20% horizontal x 200% vertical. Best 73, Markus --Ursprüngliche Mitteilung-- Von: DK7FC <s
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00090.html (9,413 bytes)

356. Re: LF: DF6NM QRP Test (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 6 Jan 2016 17:43:23 -0500
Hartmut, many thanks for the fine report! The signal was on air from 20:00 to 21:40 with about 10 mW ERP, warming up the frequency for John ;-) All the best, Markus --Ursprüngliche Mitteilung-- Von:
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00113.html (10,971 bytes)

357. Re: LF: 8270Hz Receided signal SE Italy ? (score: 1)
Author: Markus Vester <[email protected]>
Date: Fri, 8 Jan 2016 07:02:34 -0500
Hi Riccardo, the strong carrier (12 UT yesterday to 1 UT today) sure looks like an intentionally generated amateur signal. But it seems much too strong to have come from DJ8WX in North Germany. Do yo
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00138.html (14,022 bytes)

358. Re: LF: 8270Hz Receided signal SE Italy ? (score: 1)
Author: Markus Vester <[email protected]>
Date: Fri, 8 Jan 2016 09:54:10 -0500
Hi Riccardo, thanks for the info. Sorry, I'm not registered on Facebook so couldn't see that picture. At the bottom of your grabber page there is another interesting trace with a blue ellipse around
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00140.html (19,030 bytes)

359. Re: LF: 2200m Plots of the whole Band (score: 1)
Author: Markus Vester <[email protected]>
Date: Fri, 8 Jan 2016 14:20:35 -0500
Those gaps occur at +-30 Hz from each 200 Hz multiple, i.e. 137.77, 137.63, 137.57, 137.43, 137.37 kHz etc. They are only a few Hz wide and apparently caused by symmetries in the 200 baud, 2x170 Hz s
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00146.html (10,870 bytes)

360. LF: AW: XIL 137.7798 QRSS 60 (score: 1)
Author: <[email protected]>
Date: Sat, 9 Jan 2016 10:28:18 +0100
Warrens XIL became visible in Nuremberg around 2 UT, with best readability from 3:45 to 4:50: https://dl.dropboxusercontent.com/u/26404526/LF_old/LF_lastnight.htm Unfortunately Johns Wolf was not cap
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00162.html (11,210 bytes)


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