Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id wA9Jxeqv005097 for ; Fri, 9 Nov 2018 20:59:41 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1gLCsC-0007aA-Q9 for rs_out_1@blacksheep.org; Fri, 09 Nov 2018 19:55:20 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1gLCs7-0007a1-Aw for rsgb_lf_group@blacksheep.org; Fri, 09 Nov 2018 19:55:15 +0000 Received: from resqmta-ch2-10v.sys.comcast.net ([2001:558:fe21:29:69:252:207:42]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1gLCs4-0003HH-MB for rsgb_lf_group@blacksheep.org; Fri, 09 Nov 2018 19:55:14 +0000 Received: from resomta-ch2-11v.sys.comcast.net ([69.252.207.107]) by resqmta-ch2-10v.sys.comcast.net with ESMTP id LAnZgR3uVzXYcLCrzgqfc4; Fri, 09 Nov 2018 19:55:08 +0000 X-DKIM-Result: Domain=comcast.net Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20161114; t=1541793308; bh=xHPmvofJz1ail3ae9IAp7vtc4c25LcDnE7YSIt64Muo=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=mZhdJyzVEibldHAJqPbU03OAwF72NFvKLYZ3VBgtNTi16yprV9d1jn6/miYOGCRhL Fp/2s3PbAq9H5uMXQ0rof2IvULAcVF3A6/z4tFPfoPv/DbSV8OikIrN+yPWM6rA78b iUUvGXMLtDRINrGOPYg+tngYIJzrmDyaFC5npSbDnEmOpfaK6+IV25g+GqQYtvvkl8 WrYOtmQFP9qknt7IhO/CC6q7E2WApCLy/8W/gqSu0OtBj409MFUzED0KY4LFkqfHHo yEDPX1W5MBz6cnvBYqSqepvacZPxEQnx1vZobaa9VnEFj1RdeSMhvC7rhLtjIzLYeb mE7Gnz3H6GzQg== Received: from Owner ([IPv6:2601:140:8500:7f9f:78f6:dd:b547:d008]) by resomta-ch2-11v.sys.comcast.net with ESMTPA id LCrygz3vOHBs3LCrzgua6F; Fri, 09 Nov 2018 19:55:07 +0000 From: To: References: <765416197.1688372.1541791755541.ref@mail.yahoo.com> <765416197.1688372.1541791755541@mail.yahoo.com> In-Reply-To: <765416197.1688372.1541791755541@mail.yahoo.com> Date: Fri, 9 Nov 2018 14:55:03 -0500 Message-ID: <08e001d47866$1b7421e0$525c65a0$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQFWY+c84Gc8tSCaR25fzLgYjr3VFQMKvBjcpiup+hA= Content-Language: en-us X-CMAE-Envelope: MS4wfIy1MeXyJFWaTURrw1Lp0eIpWBPySdG2o/UkgvijmKt4Iv1pJRuaaop3du0aMjiApXAo7ANCsz5cHTMh/AyhLzcD1+7cCRdpHqOjjDzN6WnU05WFnnNE dWArbI19Oe1ySvu38hHQk/D2CMGS9ouiKaSR3vmUK4F+nvJVQxQz6/nP1YGuplzIMTuZD31H0L3BW4VDsxHRLq0xIrhb7JMsvhAO8mf2Hcr81bglopLrDZiT X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Markus, Thank you, I’ll deploy an antenna tomorrow, and run continuous capture, and post-process in Matlab to find and preserve sync with the transmitter’s OCXO-locked ~ 1 kHz tones. A different topic: [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [2001:558:fe21:29:69:252:207:42 listed in] [list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 7ac7ee35f057d93c45272d71554a4074 Subject: RE: LF: 1476 kHz AM Content-Type: multipart/alternative; boundary="----=_NextPart_000_08E1_01D4783C.32A2FBE0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_50_60,HTML_MESSAGE, NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false This is a multipart message in MIME format. ------=_NextPart_000_08E1_01D4783C.32A2FBE0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Markus, =20 Thank you, I=E2=80=99ll deploy an antenna tomorrow, and run continuous = capture, and post-process in Matlab to find and preserve sync with the = transmitter=E2=80=99s OCXO-locked ~ 1 kHz tones.=20 =20 =20 A different topic:=20 The last two messages that I=E2=80=99ve sent to = rsgb_lf_group@blacksheep.org (one two weeks ago, and one today) yielded = messages from postmaster@pdsengr-com.bounceio.net saying: =E2=80=9CYour email was bounced...=E2=80=9D =E2=80=A6but both messages actually were delivered without delay to = rsgb_lf_group@blacksheep.org.=20 Any thoughts on why I received bounce alerts when the messages = didn=E2=80=99t bounce? The bounce alert message also said =E2=80=9C=E2=80=A6your specific = problem was a 5.1.2 error. The domain you attempted to contact, = pdsengr.com, may have = expired.=E2=80=9D =20 =20 73, =20 Jim AA5BW =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus Vester Sent: Friday, November 9, 2018 2:29 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: 1476 kHz AM =20 Hi Jim,=20 hmm that sounds like a real long shot! I really don't know what's = possible. Guess we'll never know unless we try, so yes, give it a go. Note that the transmitter is not (yet?) GPS-locked but the free-running = OCXO appears to maintain it's frequency within a couple of mHz. Best 73, Markus -----Urspr=C3=BCngliche Mitteilung----- Von: hvanesce An: rsgb_lf_group Verschickt: Fr, 9. Nov. 2018 20:08 Betreff: RE: LF: 1476 kHz AM Hello Markus, Is East Coast US (Virginia) out of the question for this? I could deploy = an MF antenna this weekend, and run GPSDO-synchronized Matlab = post-processing if modulation is still tones. 73, Jim AA5BW=20 =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus Vester Sent: Friday, November 9, 2018 10:06 AM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: 1476 kHz AM =20 Thanks Tom and Clemens, that's very nice! Indeed there are some issues with GoogleMaps, for example last time I = looked https://sdr.hu/map didn't show the Kiwi SDR locations. As Clemens = indicated, http://k7fry.com/grid/?qth=3DJN59MN21HF should work. Or in = proper coordinates, the wire antenna is attached to the tower at = 49.546575 N, 11.019437 E. Best 73, Markus -----Urspr=C3=BCngliche Mitteilung----- Von: DK1IS An: rsgb_lf_group Verschickt: Fr, 9. Nov. 2018 14:13 Betreff: Re: LF: 1476 kHz AM Am 09.11.2018 um 00:39 schrieb Markus Vester: After the sad demise of all LW and MW broadcasts in Germany, a handful = of pioneers came up who are operating legal low-powered medium wave = stations in the context of a radio museum or for educational purposes. = One of them is Ralph (DL2NDO, one of the participants in the legendary = Donebach 137 kHz activation in 2002). He has obtained a transmitting = license for 1476 kHz (former frequency of Vienna Bisamberg), built a 3 = Watt AM transmitter, and with the help of a small team raised a = quarterwave antenna on the Fraunhofer premises south of Erlangen = (JN59MN21HF).=20 Yesterday they got on air for the first time, running a preliminary test = transmission consisting of a switched 1000 Hz beeps (one second on, one = second off, audio frequency locked to the RF carrier). This pattern will = be continued for a few days, before they will eventually.take over the = audio from the local DAB student radio "funklust". The current test pattern is relatively easy to make out in the noise so = it may be a good chance for some DX detections. At night we've actually = heard the beeps on Twente SDR and a couple of German Kiwi-SDRs. But I = guess using narrowband signal processing techniques, the carrier and = coherent tones coud make it much further. The carrier frequency is = derived from an OCXO and is currently at 1476000.411 Hz. Will anyone in the group take the challenge? Best 73, Markus (DF6NM) =20 Fb audible signal at DL0AO (JN59VK)! RX Perseus, Ant Miniwhip, see = screenshot. Slight selective QSB. Similar results with their North = America beverage. By the way: all programs using GoogleMaps for QTH-locator identification = seem to be inactive because of new Google restrictions. 73, Tom, DK1IS ------=_NextPart_000_08E1_01D4783C.32A2FBE0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Markus,

 

Thank you, I=E2=80=99ll deploy an antenna tomorrow, and run = continuous capture, and post-process in Matlab to find and preserve sync = with the transmitter=E2=80=99s OCXO-locked ~ 1 kHz tones. =

 

 

A different topic:

The last two messages that I=E2=80=99ve sent to = rsgb_lf_group@blacksheep.org (one two weeks ago, and one today) yielded = messages from postmaster@pdsengr-co= m.bounceio.net saying:

=E2=80=9CYour email was bounced...=E2=80=9D

=E2=80=A6but both messages actually were delivered without delay to = rsgb_lf_group@blacksheep.org.

Any thoughts on why I received bounce alerts when the messages = didn=E2=80=99t bounce?

The bounce alert message also said =E2=80=9C=E2=80=A6your specific = problem was a 5.1.2 error. The domain you attempted to contact, pdsengr.com, may = have expired.=E2=80=9D  

 

73,

 

Jim AA5BW

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus = Vester
Sent: Friday, November 9, 2018 2:29 PM
To: = rsgb_lf_group@blacksheep.org
Subject: Re: LF: 1476 kHz = AM

 

H= i Jim,

hmm that sounds like a real long shot! I really don't = know what's possible. Guess we'll never know unless we try, so yes, give = it a go.

Note that the transmitter is not (yet?) GPS-locked but = the free-running OCXO appears to maintain it's frequency within a couple = of mHz.

Best 73,
Markus


-----Urspr=C3=BCngliche = Mitteilung-----
Von: hvanesce <hvanesce@comcast.net>
An: = rsgb_lf_group <rsgb_lf_group@blacksheep.org= >
Verschickt: Fr, 9. Nov. 2018 20:08
Betreff: RE: LF: 1476 = kHz AM

H= ello Markus,

Is East Coast US (Virginia) out of the question for = this? I could deploy an MF antenna this weekend, and run = GPSDO-synchronized Matlab post-processing if modulation is still = tones.

73,<= o:p>

J= im AA5BW <= o:p>

&= nbsp;<= o:p>

F= rom: = owner-rsgb_lf_group@bl= acksheep.org [mailto:owner-rsgb_lf_g= roup@blacksheep.org] On Behalf Of Markus = Vester
Sent: Friday, November 9, 2018 10:06 AM
To: = rsgb_lf_group@blacksheep.org=
Subject: Re: LF: 1476 kHz AM

&= nbsp;

T= hanks Tom and Clemens, that's very nice!

Indeed there are some = issues with GoogleMaps, for example last time I looked https://sdr.hu/map didn't show the = Kiwi SDR locations. As Clemens indicated, http://k7fry.com/grid/?q= th=3DJN59MN21HF should work. Or in proper coordinates, the wire = antenna is attached to the tower at 49.546575 N, 11.019437 = E.

Best 73,
Markus


-----Urspr=C3=BCngliche = Mitteilung-----
Von: DK1IS <DK1IS@kabelmail.de>
An: = rsgb_lf_group <rsgb_lf_group@blacksheep.org= >
Verschickt: Fr, 9. Nov. 2018 14:13
Betreff: Re: LF: 1476 = kHz AM

Am = 09.11.2018 um 00:39 schrieb Markus Vester:

After the sad demise of all LW = and MW broadcasts in Germany, a handful of pioneers came up who are = operating legal low-powered medium wave stations in the context = of a radio museum or for educational purposes. One of them is = Ralph (DL2NDO, one of the participants in the legendary Donebach 137 kHz = activation in 2002). He has obtained a transmitting license for = 1476 kHz (former frequency of Vienna Bisamberg), built a 3 = Watt AM transmitter, and with the help of a small team raised a = quarterwave antenna on the Fraunhofer premises south = of Erlangen (JN59MN21HF).

Yesterday they got on air for the = first time, running a preliminary test transmission consisting of a = switched 1000 Hz beeps (one second on, one second off, audio frequency = locked to the RF carrier). This pattern will be continued for a few = days, before they will eventually.take over the audio from = the local DAB student radio "funklust".

The = current test pattern is relatively easy to make out in the noise so it = may be a good chance for some DX detections.  At night we've = actually heard the beeps on Twente SDR and a couple of German = Kiwi-SDRs. But I guess using narrowband signal processing = techniques, the carrier and coherent tones coud make it much further. = The carrier frequency is derived from an OCXO and is currently at = 1476000.411 Hz.

Will anyone in the group take the = challenge?

Best 73,
Markus (DF6NM)

 

Fb = audible signal at DL0AO (JN59VK)! RX Perseus, Ant Miniwhip, see = screenshot. Slight selective QSB. Similar results with their North = America beverage.

By the = way: all programs using GoogleMaps for QTH-locator identification seem = to be inactive because of new Google restrictions.

73,
T= om, DK1IS

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