Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 822C93800008B; Tue, 14 Feb 2012 08:51:24 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RxIl8-0003Qf-UV for rs_out_1@blacksheep.org; Tue, 14 Feb 2012 13:49:30 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RxIl8-0003QW-CX for rsgb_lf_group@blacksheep.org; Tue, 14 Feb 2012 13:49:30 +0000 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RxIl6-0008Mo-Qy for rsgb_lf_group@blacksheep.org; Tue, 14 Feb 2012 13:49:30 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Au4GAJ5lOk9Ok8+3/2dsb2JhbABDmmCESZB0gQiBbQUBAQUIAQEDSQIPHQEBAwUCAQMRBAEBCiUUAQQaBhYIBhMKAQICAQEIh2a5fIhEgxAFAQwHBQ4LawEBg28INgkLgy8EglyFO4U5mkY X-IronPort-AV: E=Sophos;i="4.73,416,1325462400"; d="scan'208,217";a="517410241" Received: from host-78-147-207-183.as13285.net (HELO xphd97xgq27nyf) ([78.147.207.183]) by out1.ip08ir2.opaltelecom.net with SMTP; 14 Feb 2012 13:49:20 +0000 Message-ID: <001b01cceb1f$71c08e20$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: Date: Tue, 14 Feb 2012 13:49:16 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Re: DK7FC received in South India Content-Type: multipart/alternative; boundary="----=_NextPart_000_0018_01CCEB1F.71448050" 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_20_30,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 x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:484006208:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d411a4f3a66db4a30 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0018_01CCEB1F.71448050 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello Markus I hope you are enjoying your travels in India. I was active last night from 1800 utc just low of 136.173 Khz and again = at 0100 utc for a while QRS 40 so you might have observed something from = me.=20 Gl and I hope to try again if you get time to look out for EU stns de mal/g3kev ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Cc: Stefan Sch=E4fer=20 Sent: Tuesday, February 14, 2012 10:55 AM 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 couldf 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_0018_01CCEB1F.71448050 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hello Markus
I hope you are enjoying your travels in=20 India.
I was active last night from 1800 utc just low = of 136.173=20 Khz and again at 0100 utc for a while QRS 40 so you might have observed=20 something from me.
Gl and I hope to try again if you get time to = look out for=20 EU stns
de mal/g3kev
 
----- Original Message -----
From:=20 Markus=20 Vester
Cc: Stefan = Sch=E4fer
Sent: Tuesday, February 14, = 2012 10:55=20 AM
Subject: LF: DK7FC received in = South=20 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=20 life and lack of internet connectivity, it is not possible to run a = continuous=20 grabber from here, but I couldf 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=20 136172.8 Hz  (note that frequency scales are offset by about 0.22 = Hz due=20 to residual LO error).
 
Depending on our travel group's = schedules, I may=20 be able to run a couple more evening sessions in the days to come.=20 Unfortunately we have to walk to the next village for internet access, = but I=20 can hook up with Stefan by mobile phone for announcements and = immediate=20 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,=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=20 Hz low),
computer: akoya netbook, internal soundcard 11025 IQ /s, = SpecLab=20 FFT 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=20 +-0.075 DK7FC  "O" up to 20 dB SNR, HGA abt 58 dB SNR
 
12-02-13 evening 17:39-19:12:
noise blanker=20 enabled
17:39-19:12  136171.8 +-.075  DK7FC "O" 15-20 dB=20 SNR
17:45-18:03, 18:58-19:05 136174.3 unid "T" < 10 dB=20 SNR
18:57-18:59  136172.8 unid=20 "T"
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