Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 01EF7380000A2; Tue, 28 Feb 2012 18:11:03 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1S2WAh-0002yq-Dx for rs_out_1@blacksheep.org; Tue, 28 Feb 2012 23:09:27 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1S2WAg-0002yh-S0 for rsgb_lf_group@blacksheep.org; Tue, 28 Feb 2012 23:09:26 +0000 Received: from imr-da05.mx.aol.com ([205.188.105.147]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1S2WAd-0007i5-L2 for rsgb_lf_group@blacksheep.org; Tue, 28 Feb 2012 23:09:26 +0000 Received: from mtaout-mb06.r1000.mx.aol.com (mtaout-mb06.r1000.mx.aol.com [172.29.41.70]) by imr-da05.mx.aol.com (8.14.1/8.14.1) with ESMTP id q1SN9Jo8011008 for ; Tue, 28 Feb 2012 18:09:19 -0500 Received: from White (nrbg-4dbfa399.pool.mediaWays.net [77.191.163.153]) by mtaout-mb06.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id B7A31E0000D2 for ; Tue, 28 Feb 2012 18:09:16 -0500 (EST) Message-ID: From: "Markus Vester" To: References: Date: Wed, 29 Feb 2012 00:09:14 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1330470559; bh=NCrZPIsrw3z4dg36KkJ3gAZ48Mf1oYULYIXadppa0aA=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=mbZvrXxIIaFeJC8ApaQ+pPtEYvqHzRwFsHvHuAMcvUasJcznsMnm+GjnGLgOBoTJd TJaeh6JZ98OmD2NSBlnaN0SsE7TPCf1mKT9rE4P1HyPtOofohgcKFRilKPWe8zTtJz Zf3AqhypRQoGcR8/pLm0qd/5tVFbZ4Y1SlQq8gUo= X-AOL-SCOLL-SCORE: 0:2:445363776:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: DK7FC received in South India Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01CCF676.5EF28E30" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_MESSAGE, MISSING_OUTLOOK_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 x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:472574368:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m208.2 ; domain : mx.aol.com DKIM : pass x-aol-sid: 3039ac1d60cb4f4d5f072168 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_0019_01CCF676.5EF28E30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable During our stay in India, Stefan's DFCW signal could be detected almost = on a regular basis. The little RX was usually located in a palm-leave = hut at the edge of the farm, a place normally dedicated to meditation = and becoming part of a cosmic positive energy flow - and thus quite = appropriate for intercepting subtle electromagnetic vibrations from a = distant friend ;-) All screenshots and further info are now at = http://df6nm.bplaced.net/LF/vu_df6nm/ . Best 73, Markus (DF6NM) From: Markus Vester=20 Sent: Tuesday, February 14, 2012 11:55 AM To: rsgb_lf_group@blacksheep.org=20 Cc: Stefan Sch=E4fer=20 Subject: LF: DK7FC received in South India We are currently in Kerala (India), and I have taken along an LF receive = setup consisting of active E-probe, FiFI-SDR IQ receiver, and my = netbook. Due to other activities, limited notebook battery life and lack = of internet connectivity, it is not possible to run a continuous grabber = from here, but I could arrange a few receive sessions, either around = local midnight or before sunrise (details given below).=20 At night, HGA 135.43 kHz was up to 58 dB SNR, and both HGA and DCF were = clearly audible. HGA could still be detected at about 12 dB SNR at = midday. So far, signals from DK7FC were positively received on three = occasions. I have asked Stefan to temporarily QSY 0.2 Hz down to evade = an erratically appearing local line. Besides DK7FC, the attached = screenshot from last night may also have a weak trace on 136174.3 and = perhaps another on 136172.8 Hz (note that frequency scales are offset = by about 0.22 Hz due to residual LO error). Depending on our travel group's schedules, I may be able to run a couple = more evening sessions in the days to come. Unfortunately we have to walk = to the next village for internet access, but I can hook up with Stefan = by mobile phone for announcements and immediate feedback. We intend to = go back to DL on Feb. 24th. Best 73, Markus (VU/DF6NM) Details: Location: MJ89GP, 9.65 N 76.53 E, in the village of Sreekandamangalam, = about 5 km north of Kottayam, Kerala, India, time zone UT + 5:30, antenna: Eprobe 40 cm wire in a palm-leave shed, simple BF245C preamp, receiver: FiFi-SDR (modified frontend, temperature stabilized Si570), LO = 135 kHz (0.22 Hz low),=20 computer: akoya netbook, internal soundcard 11025 IQ /s, SpecLab FFT 21 = mHz, 10s /pix. Receive sessions:=20 12-02-07 morning 0:09-01:28 noise blanker not enabled 0:20-0:55: 136172.0+-0.075 DK7FC T...M 12-02-08 morning 0:49-02:00 noise blanker not enabled local carrier on 136172.1 nil DFCW 12-02-08 daytime 6:38-7:06 HGA about 12 dB SNR QRM lines 136172.1, 136074.0 12-02-08 evening 16:04-17:32:=20 noise blanker enabled 136171.8 +-0.075 DK7FC "O" up to 20 dB SNR, HGA abt 58 dB SNR 12-02-13 evening 17:39-19:12: noise blanker enabled 17:39-19:12 136171.8 +-.075 DK7FC "O" 15-20 dB SNR 17:45-18:03, 18:58-19:05 136174.3 unid "T" < 10 dB SNR 18:57-18:59 136172.8 unid "T" ------=_NextPart_000_0019_01CCF676.5EF28E30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
During our stay in India, Stefan's DFCW = signal=20 could be detected almost on a regular basis. The little RX was usually = located=20 in a palm-leave hut at the edge of the farm, a place normally=20 dedicated to meditation and becoming part of a cosmic positive = energy flow=20 - and thus quite appropriate for intercepting subtle = electromagnetic=20 vibrations from a distant friend ;-)
 
All screenshots and further info are = now at http://df6nm.bplaced.net/L= F/vu_df6nm/ .
 
Best 73,
Markus (DF6NM)
 

From: Markus Vester
Sent: Tuesday, February 14, 2012 11:55 AM
To: rsgb_lf_group@blacksheep.org= =20
Cc: Stefan = Sch=E4fer
Subject: LF: DK7FC received in South India

We are currently in Kerala (India), and = I have=20 taken along an LF receive setup consisting of active E-probe, FiFI-SDR = IQ=20 receiver, and my netbook. Due to other activities, limited notebook = battery life=20 and lack of internet connectivity, it is not possible to run a = continuous=20 grabber from here, but I could arrange a few receive sessions, either = around=20 local midnight or before sunrise (details given below).
 
At night, HGA 135.43 kHz was up to 58 = dB SNR, and=20 both HGA and DCF were clearly audible. HGA could still be detected at = about 12=20 dB SNR at midday. So far, signals from DK7FC were positively received on = three=20 occasions. I have asked Stefan to temporarily QSY 0.2 Hz down to evade = an=20 erratically appearing local line. Besides DK7FC, the attached screenshot = from=20 last night may also have a weak trace on 136174.3 and perhaps another on = 136172.8 Hz  (note that frequency scales are offset by about 0.22 = Hz due to=20 residual LO error).
 
Depending on our travel group's = schedules, I may be=20 able to run a couple more evening sessions in the days to come. = Unfortunately we=20 have to walk to the next village for internet access, but I can hook up = with=20 Stefan by mobile phone for announcements and immediate feedback. We = intend to go=20 back to DL on Feb. 24th.
 
Best 73,
 
Markus (VU/DF6NM)
 

Details:
 
Location: MJ89GP, 9.65 N 76.53 E, in the village of = Sreekandamangalam,=20 about 5 km north of Kottayam, Kerala, India, time zone UT + = 5:30,
antenna:=20 Eprobe 40 cm wire in a palm-leave shed, simple BF245C = preamp,
receiver:=20 FiFi-SDR (modified frontend, temperature stabilized Si570), LO 135 kHz = (0.22 Hz=20 low),
computer: akoya netbook, internal soundcard 11025 IQ /s, = SpecLab FFT=20 21 mHz, 10s /pix.
 
Receive sessions:
 
12-02-07 morning  0:09-01:28
noise blanker not=20 enabled
0:20-0:55: 136172.0+-0.075  DK7FC T...M
 
12-02-08 morning 0:49-02:00
noise blanker not enabled
local = carrier=20 on 136172.1
nil DFCW
 
12-02-08 daytime 6:38-7:06
HGA about 12 dB SNR
QRM lines = 136172.1,=20 136074.0
 
12-02-08 evening 16:04-17:32:
noise blanker enabled
136171.8 = +-0.075=20 DK7FC  "O" up to 20 dB SNR, HGA abt 58 dB SNR
 
12-02-13 evening 17:39-19:12:
noise blanker = enabled
17:39-19:12 =20 136171.8 +-.075  DK7FC "O" 15-20 dB SNR
17:45-18:03, 18:58-19:05 = 136174.3 unid "T" < 10 dB SNR
18:57-18:59  136172.8 unid=20 "T"
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