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 w0BNY5gp003618 for ; Fri, 12 Jan 2018 00:34:08 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eZmHU-0004pV-P5 for rs_out_1@blacksheep.org; Thu, 11 Jan 2018 23:29:08 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eZmHU-0004pM-8b for rsgb_lf_group@blacksheep.org; Thu, 11 Jan 2018 23:29:08 +0000 Received: from rgout0401.bt.lon5.cpcloud.co.uk ([65.20.0.214] helo=rgout04.bt.lon5.cpcloud.co.uk) by relay1.thorcom.net with esmtp (Exim 4.89) (envelope-from ) id 1eZmHQ-0007on-8g for rsgb_lf_group@blacksheep.org; Thu, 11 Jan 2018 23:29:07 +0000 X-OWM-Source-IP: 86.186.115.212 (GB) X-OWM-Env-Sender: alan.melia@btinternet.com X-Junkmail-Premium-Raw: score=13/50,refid=2.7.2:2018.1.11.230316:17:13.296,ip=,rules=__HAS_MSGID, __SANE_MSGID, MSGID_32HEX_LC, INVALID_MSGID_NO_FQDN, __MSGID_32HEX, __HAS_FROM, __FRAUD_WEBMAIL_FROM, __TO_MALFORMED_2, __TO_NO_NAME, __REFERENCES, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __MIME_VERSION, __CT, __CTYPE_MULTIPART_ALT, __CTYPE_HAS_BOUNDARY, __CTYPE_MULTIPART, __HAS_X_PRIORITY, __HAS_MSMAIL_PRI, __HAS_X_MAILER, USER_AGENT_OE, __OUTLOOK_MUA_1, __USER_AGENT_MS_GENERIC, __MIME_TEXT_P2, __MIME_TEXT_H2, __ANY_URI, __HTTPS_URI, __URI_WITH_PATH, LINK_TO_IMAGE, URI_ENDS_IN_HTML, __FRAUD_BODY_WEBMAIL, __URI_NO_WWW, __FRAUD_REFNUM, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __MULTIPLE_URI_TEXT, __URI_IN_BODY, __URI_NOT_IMG, __HTML_AHREF_TAG, __STYLE_RATWARE_NEG, __URI_WITHOUT_PATH, __STYLE_TAG, __HAS_HTML, __HTML_TAG_DIV, HTML_NO_HTTP, BODYTEXTP_SIZE_3000_LESS, BODYTEXTH_SIZE_3000_MORE, BODYTEXTH_SIZE_10000_LESS, __MIME_TEXT_H1, __MIME_TEXT_P1, __MIME_HTML, __TAG_EXISTS_HTML, __URI_NS, HTML_50_70, __FRAUD_WEBMAIL, __OUTLOOK_MUA, __FRAUD_COMMON, __MIME_TEXT_H, __MIME_TEXT_P, FORGED_MUA_OUTLOOK, REFERENCES Received: from gnat (86.186.115.212) by rgout04.bt.lon5.cpcloud.co.uk (9.0.019.13-1) (authenticated as alan.melia@btinternet.com) id 58482DA2294E878F for rsgb_lf_group@blacksheep.org; Thu, 11 Jan 2018 23:29:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=btcpcloud; t=1515713344; bh=9GsFCYXeRwvjCY9TY1elMlHRpmiWtBDwpnYmrS0NQhQ=; h=Message-ID:From:To:References:Subject:Date:MIME-Version:X-Mailer; b=oMS+Uf3DnpEgjmaQpdjkKjdl6nNlMfrekWsnKQcCkUjzceegzSmSTz9oTZ/csoDO3vDkA7akS38Ws4P/KG+v8bA+W8PKXhj4izcYntKBu1W0d+Ii0BFAk3IjhJkA+dH6lhiTCYllHFZ0t77vlHitxaZsD09ch4QxaUkdgUcEGzM= Message-ID: From: "Alan Melia" To: References: <160e7583ebc-1717-5df8f@webjas-vad003.srv.aolmail.net> Date: Thu, 11 Jan 2018 23:28:59 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 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 Markus is there a possibility that hard frozen ground at the tx site might give an increase in ERP? Alan G3NYK ----- Original Message ----- From: Markus Vester To: rsgb_lf_group@blacksheep.org Sent: Thursday, January 11, 2018 10:30 PM Subject: ELF: Recent ZEVS activity [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 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: 6ae5fe68d6708d1e4a9cbdf0f0af43e5 Subject: LF: Re: Recent ZEVS activity Content-Type: multipart/alternative; boundary="----=_NextPart_000_00B5_01D38B33.F4E86420" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_30_40, HTML_MESSAGE 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 multi-part message in MIME format. ------=_NextPart_000_00B5_01D38B33.F4E86420 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Markus is there a possibility that hard frozen ground at the tx site = might give an increase in ERP? Alan G3NYK =20 ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, January 11, 2018 10:30 PM Subject: ELF: Recent ZEVS activity It looks like ZEVS (aka KPTF) is currently undergoing a period of = increased activity. SNR at DL0AO is no significantly better than it used = to be, so I suspect that transmit power might have been increased. In = addition, we have now enabled a 20 Hz filter and a noiseblanker, which = effectively suppresses local QRM bursts. We find that in addition to the traditional three-digit repeated = telegrams based on 4-minute dashes, there is also a much faster FSK mode = with short dashes (about 10 or 12 seconds). These high-datarate = sequences are always initiated by a long dash on the highest frequency, = 83.2 Hz. Screenshots: http://df6nm.bplaced.net/dl0ao/files/zevs_7.63mHz_180111_2114.png http://df6nm.bplaced.net/dl0ao/files/zevs_183mHz_180108_0914.png DL0AO Grabber: http://df6nm.bplaced.net/dl0ao/VLFgrabber/vlfgrabber_dl0ao_test.htm See also: G3ZJO 2012-05-12: = https://g3zjoradio.wordpress.com/2012/05/12/more-on-82hz-radio-comms-zevs= -13669381/ DL4YHF 2008-08-29: http://dl4yhf.darc.de/t/vlf_experiments.htm Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: So, 1. Okt 2017 0:44 Betreff: Re: ELF: ZEVS reception from a small loop Those ZEVS messages seem to consist of simple three-digit numbers. = With 0.2 Hz spacing, the frequency ranges 81 to 81.8 and 82.2 to 83 Hz = provide ten possible MFSK symbols. Each message is sent twice, separated = by a single 80.8 Hz dash. Consecutive messages are always separated by = the 82 Hz idle tone. Assuming that symbol frequencies are counted upwards from 0 to 4 and 5 = to 9, Stefan's screenshot would translate to ..7 486 128 731 941 473 018 =20 73, Markus =20 ... ------=_NextPart_000_00B5_01D38B33.F4E86420 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Hi Markus is there a possibility that = hard frozen=20 ground at the tx site might give an increase in ERP?
Alan
G3NYK
 
----- Original Message -----
From:=20 Markus=20 Vester
Sent: Thursday, January 11, = 2018 10:30=20 PM
Subject: ELF: Recent ZEVS = activity

It looks like ZEVS (aka KPTF) is currently undergoing a = period of=20 increased activity. SNR at DL0AO is no significantly better than it = used to=20 be, so I suspect that transmit power might have been increased. In = addition,=20 we have now enabled a 20 Hz filter and a noiseblanker, which = effectively=20 suppresses local QRM bursts.
We find that in addition to the traditional = three-digit=20 repeated telegrams based on 4-minute dashes, there is also a much = faster FSK=20 mode with short dashes (about 10 or 12 seconds). These high-datarate = sequences=20 are always initiated by a long dash on the highest frequency, 83.2 = Hz.
Screenshots:
http://df6nm.bplaced.net/dl0ao/files/zev= s_7.63mHz_180111_2114.png
http://df6nm.bplaced.net/dl0ao/files/zevs_18= 3mHz_180108_0914.png
DL0AO=20 = Grabber:
http://df6nm.bplaced.net/dl0ao/VLFgrabber/vlfgrabber_dl0ao_te= st.htm
See also:
G3ZJO 2012-05-12:=20 = https://g3zjoradio.wordpress.com/2012/05/12/more-on-82hz-radio-comms-zevs= -13669381/
DL4YHF=20 2008-08-29: http://dl4yhf.darc.de/t/vlf_experiments.htm
Best 73,
Markus (DF6NM)


-----Urspr=C3=BCngliche=20 Mitteilung-----
Von: Markus Vester=20 <markusvester@aol.com>
An: rsgb_lf_group=20 <rsgb_lf_group@blacksheep.org>
Verschickt: So, = 1. Okt 2017=20 0:44
Betreff: Re: ELF: ZEVS reception from a small = loop
Those ZEVS messages seem to consist of simple three-digit = numbers.=20 With 0.2 Hz spacing, the frequency ranges 81 to 81.8 and 82.2 to 83=20 Hz provide ten possible MFSK symbols. Each message is = sent=20 twice, separated by a single 80.8 Hz dash. Consecutive = messages=20 are always separated by the 82 Hz idle tone.
Assuming that symbol frequencies are counted = upwards from=20 0 to 4 and 5 to 9, Stefan's screenshot would translate to
..7 486 128   731  =   941=20        473   018 
73, Markus  
...
------=_NextPart_000_00B5_01D38B33.F4E86420--