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 w1AAgorF002861 for ; Sat, 10 Feb 2018 11:42:52 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ekSXS-0004k4-76 for rs_out_1@blacksheep.org; Sat, 10 Feb 2018 10:37:46 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ekSXR-0004jv-Ki for rsgb_lf_group@blacksheep.org; Sat, 10 Feb 2018 10:37:45 +0000 Received: from sonic305-19.consmr.mail.ir2.yahoo.com ([77.238.177.81]) by relay1.thorcom.net with esmtp (Exim 4.89) (envelope-from ) id 1ekSXO-00047Y-IX for rsgb_lf_group@blacksheep.org; Sat, 10 Feb 2018 10:37:44 +0000 X-DKIM-Result: Domain=yahoo.co.uk Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s2048; t=1518259061; bh=PtTOx1u93PexYGFdfWLvYgpAQ2TBNYh6ga+t1kwWgcE=; h=Date:From:Reply-To:To:In-Reply-To:References:Subject:From:Subject; b=OSeROQZbEmCph5Yo6fysJx/d39dBRTD2aUz9ikAea42Rq6RoYfsadDNdq4/jKIkf8Kg5Rikf8k8JZTjRsJEpCiZPXkRIni4QxAVwL9jZCWm1rhieRwH2cZDdq2Y1DaUvU3ArXU0wYWR+hWyoSEEZuqQMOd9H6IjXNMHtHInvziyXpdzQf0BLqr2BjhQ9hRn5CMTPL8NfUMDmdJMh2wQF00D+hZjNh/Ou0J91FR8BV23hd8DuafJnyGiR8w5HG0rCESQjAORNyoTrDUVAvVI3JeOw7m914f0cnmzQt+V31uh6JHBAMbHXVN1SMlGq9ChEM2x3zx4m/1m5QLYcmU4ORw== X-YMail-OSG: 1QHo3X4VM1kljK32oIGV.uHxjRbOh2HE6uc__0VXECRdyjgfTUvnGwKYt.UJ.p_ gmz_vWApVX8zpyhQy78S0Q7VV7HNUKSu5Tefwq1DIy.YXU9FAAcl13TICDIzv.T4KhTKsWczcnn1 OCBP8Kd56W.bYfHvxotTPG3CpXJgMD8m1gprCL0CYxdzUiWhSIITF48L11bgas7LZ4g1X8Enhrhd hp7Y8465LYCQaW5yOkizsRDoDOO0WsrfIcmsAaad_zv1ikA_2FbSuIEp9D2hvBbC_y1kR62rxAg9 r0Yk9RH2sYGN9vzZB0lA6YKpIvuKTr5bUQBWMv79uCXgweCxf.02OTOszdHPoD7GK1.TCE0ql_nq p55K1ou_zwuhxpgPjMCBKZBvGEVBQ.7WvQD82u7NMuTFFmPCzZjkCjsn2vNp.pvpxaLnlpK9r9p_ y6tux9O6KqL7T7JsqMAwqbm77PskVZNQy9U20cYak54UTRZdszt7cZ1CmmG7s4JqN_JqKgQ-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic305.consmr.mail.ir2.yahoo.com with HTTP; Sat, 10 Feb 2018 10:37:41 +0000 Date: Sat, 10 Feb 2018 10:37:22 +0000 (UTC) From: David Hine To: "rsgb_lf_group@blacksheep.org" Message-ID: <961145269.10939408.1518259042234@mail.yahoo.com> In-Reply-To: References: <579355A36AEE9D4FA555C45D556003AB9AB4DA7C@servigilant.vigilant.local> <1617c42683a-c8c-11fa4@webjas-vad151.srv.aolmail.net> <1088823692.10664959.1518209080118@mail.yahoo.com> MIME-Version: 1.0 X-Mailer: WebService/1.1.11316 YahooMailNeo Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299 X-Spam-Score: 0.0 (/) 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 the administrator of that system for details. Content preview: Hi Tom,It's good to get your Email. The QTH is London, and the main reason I replied was to explain that VLF signals also go through QSB.It seems the lower the frequency, the longer the QSB. I'm not certain if that's the cause of the Alpha fade downs, but it's quite likely.I would not think they would deliberately reduce their transmitter powers -with VLF, the more power, the better. The 'Tesla' radio concept is a very difficult one to explain to anyone 'technical', because it requires a total 'mind clearance' of all previous 'learned' knowledge regarding radio transmission principles. Whenever I have got into discussion regarding the Tesla system, it always ends with arguments challenging the workings, and actually being 'banned' on a forum as a 'heretic'. It also led to the final demise of the Elfrad group some time ago. I don't think any Amateurs research stuff below 10 Hz, so I'm 'on my own' down there, with the exception of a German ELF receiving enthusiast who has contributed to the Radio Below 22 kHz website.The plan here is to complete a VLF / LF transmitter working on the same principle, and join in the VLF TX experiments with other Amateurs.That will be the best way to take this forward. Also the new VLF 'Tesla' transmitter will cover the LF 136 kHz amateur band, and the Long Wave broadcasting band, with suitable matching arrangements, so that could prove interesting.With very kind regards, David [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (evad_hine[at]yahoo.co.uk) 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: 3547ef0bd9aa4f6a2596c8a6b1b20265 Subject: Re: LF: Russian Alphas not QRT but QRP ? Content-Type: multipart/alternative; boundary="----=_Part_10939407_2059111357.1518259042226" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: *** X-Spam-Status: No, hits=3.2 required=5.0 tests=FORGED_MUA_MOZILLA,HTML_40_50, HTML_MESSAGE,TO_ADDRESS_EQ_REAL 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 ------=_Part_10939407_2059111357.1518259042226 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Tom,It's good to get your Email. The QTH is London, and the main reason = I replied was to explain that VLF signals also go through QSB.It seems the = lower the frequency, the longer the QSB. I'm not certain if that's the caus= e of the Alpha fade downs, but it's quite likely.I would not think they wou= ld deliberately reduce their transmitter powers -with VLF, the more power, = the better. The 'Tesla' radio concept is a very difficult one to explain to= anyone 'technical', because it requires a total 'mind clearance' of all pr= evious 'learned' knowledge regarding radio transmission principles. Wheneve= r I have got into discussion regarding the Tesla system, it always ends wit= h arguments challenging the workings, and actually being 'banned' on a foru= m as a 'heretic'. It also led to the final demise of the Elfrad group some = time ago.=C2=A0I don't think any Amateurs research stuff below 10 Hz, so I'= m 'on my own' down there, with the exception of a German ELF receiving enth= usiast who has contributed to the Radio Below 22 kHz website.The plan here = is to complete a VLF / LF transmitter working on the same principle, and jo= in in the VLF TX experiments with other Amateurs.That will be the best way = to take this forward. Also the new VLF 'Tesla' transmitter will cover the L= F 136 kHz amateur band, and the Long Wave broadcasting band, with suitable = matching arrangements, so that could prove interesting.With very kind regar= ds, David=C2=A0 From: DK1IS To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, 9 February 2018, 23:36 Subject: Re: LF: Russian Alphas not QRT but QRP ? =20 Hi David, =20 most interesting! - Could you give some more information about QTH, TX and= "Tesla" antenna? =20 Tu es 73, Tom, DK1IS =20 Am 09.02.2018 um 21:44 schrieb David Hine: =20 Hi, I do transmitting on ELF occasionally on a frequency of 1.6 Hz using = a 'Tesla' antenna, giving a global range (screenshot example from Kiruna, S= weden, attached). It is likely to be a 'QSB' fade out, and at ELF, these ca= n last for many days. I have noticed this often on my transmitted ELF signa= ls, with a 2 week QSB period being the average. Kind regards, David=20 =20 =20 =20 =20 =20 ------=_Part_10939407_2059111357.1518259042226 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Tom,
It's good to get your Email. The QTH is London, and th= e main reason I replied was to explain that VLF signals also go through QSB= .
It seems the lower the frequency, the longer the QSB. I'm no= t certain if that's the cause of the Alpha fade downs, but it's quite likel= y.
I would not= think they would deliberately reduce their transmitter powers -with VLF, t= he more power, the better.
The 'Tesla' radio concept is a very difficult one to explain to anyone 'te= chnical', because it requires a total 'mind clearance' of all previous 'lea= rned' knowledge regarding radio transmission principles. Whenever I have go= t into discussion regarding the Tesla system, it always ends with arguments= challenging the workings, and actually being 'banned' on a forum as a 'her= etic'. It also led to the final demise of the Elfrad group some time ago.&n= bsp;
I don't t= hink any Amateurs research stuff below 10 Hz, so I'm 'on my own' down there= , with the exception of a German ELF receiving enthusiast who has contribut= ed to the Radio Below 22 kHz website.
The plan here is to complete a VLF / LF transmitter= working on the same principle, and join in the VLF TX experiments with oth= er Amateurs.
T= hat will be the best way to take this forward. Also the new VLF 'Tesla' tra= nsmitter will cover the LF 136 kHz amateur band, and the Long Wave broadcas= ting band, with suitable matching arrangements, so that could prove interes= ting.
With ver= y kind regards, David 


From: DK1IS <DK1I= S@kabelmail.de>
To:= rsgb_lf_group@blacksheep.org
Se= nt: Friday, 9 February 2018, 23:36
Subject: Re: LF: Russian Alphas not QRT but QRP ?

Hi David,

most interesting! - Could you give some more information about QTH, TX and "Tesla" antenna?

Tu es 73,
Tom, DK1IS

Am 09.02.2018 um 21:44 schrieb David Hine:
Hi, I do transmitting on ELF occasionally on a frequency of 1.6 Hz using a 'Tesla' antenna, giving a global range (screenshot example from Kiruna, Sweden, attached). It is likely to be a 'QSB' fade out, and at ELF, these can last for many days. I have noticed this often on my transmitted ELF signals, with a 2 week QSB period being the average.
Kind regards, David





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