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 w8MCIsMV017842 for ; Sat, 22 Sep 2018 14:18:57 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1g3ghC-00047o-Gl for rs_out_1@blacksheep.org; Sat, 22 Sep 2018 13:07:34 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1g3ghC-00047f-2F for rsgb_lf_group@blacksheep.org; Sat, 22 Sep 2018 13:07:34 +0100 Received: from out2-22.antispamcloud.com ([185.201.17.22]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1g3ghA-00034E-4l for rsgb_lf_group@blacksheep.org; Sat, 22 Sep 2018 13:07:32 +0100 Received: from [85.60.35.36] (helo=servigilant.vigilant.es) by mx26.antispamcloud.com with esmtpsa (TLSv1:ECDHE-RSA-AES128-SHA:128) (Exim 4.89) (envelope-from ) id 1g3gh5-0003lv-UI for rsgb_lf_group@blacksheep.org; Sat, 22 Sep 2018 14:07:28 +0200 Received: from servigilant.vigilant.local ([fe80::c40d:8140:d722:5448]) by servigilant.vigilant.local ([fe80::c40d:8140:d722:5448%13]) with mapi id 14.03.0123.003; Sat, 22 Sep 2018 14:07:02 +0200 From: =?Windows-1252?Q?VIGILANT_Luis_Fern=E1ndez?= To: "rsgb_lf_group@blacksheep.org" Thread-Topic: LF: EA5DOM EbNaut Tx test in 137.485 Thread-Index: AdRRhH50FJaIK7/aT4eZNMkp3TsSkQAvQyYAAAq8fLM= Date: Sat, 22 Sep 2018 12:07:02 +0000 Message-ID: <6DB8451D7F3D3947A5918808A59621EA0863EF68@servigilant.vigilant.local> References: <6DB8451D7F3D3947A5918808A59621EA0863C3CF@servigilant.vigilant.local>, In-Reply-To: Accept-Language: es-ES, en-US Content-Language: es-ES X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [144.178.131.236] MIME-Version: 1.0 X-Originating-IP: 85.60.35.36 X-MailAssure-Domain: vigilant.es X-MailAssure-Username: smtpsolarwinds Authentication-Results: antispamcloud.com; auth=pass (login) smtp.auth=smtpsolarwinds@vigilant.es X-MailAssure-Outgoing-Class: ham X-MailAssure-Outgoing-Evidence: Combined (0.30) X-Recommended-Action: accept X-Filter-ID: EX5BVjFpneJeBchSMxfU5jY1TkyXDAHtkZ3Npw9NvA5602E9L7XzfQH6nu9C/Fh9KJzpNe6xgvOx q3u0UDjvOw5j2C7YKailx2Uop+U2Gs8m9etQhNgzEtWqBtUXOJSHVTGbEWWnE2yTxqfzAQugcWyU jJ3gUY0cxIJKUhm0VgVIeZjZv1oz6oWKgngYgisM8DZztKGImYzpwtV2u5AjtmBDPlxY0fseHYFk nKvKOED70WuzEeIYESIPDdUJWOBuPxO0jJAHsPdj1H6RNuBO6wRQ9YofvcbjcR4EECU4TAHOXBLx 0a60v73FZCXh5nEVACQHwPTDFXEPVlYw9avkW2Q7hh4wb2KKVjg9stRYt+koEiwpocbVu0nnL/Ni 3pdFfNIIfXXHaPnmTS9BbIiM1U5lBnskkphd4sLN8tb0FI4YH6QrpfZiTMRk4xXw0fBcC3Nqbc+E pNDuMMXgyD7p2tYLAvKC1zHldj/T9Lzwwpkgr/U0flMcy2Vi/IcBgY4aV9RsXK5hbay6GIP6nWYE /hd7JAtl5tG50h1ePb8uOfpZEDsJlqKzM3aT4yNY3c8FtNw3GZK4w4jVlJDKP+hQkO+q3kg/Hp3N bysYObvz5yDOc/+hbxC7bVBwBa+hVYmAU5qEg9ylGD9Qbq8vJ8BpSNZ35D+9JuVDxXIYcNGxXKYA vetC4UuggeIVAoAJyqSlO95g9xzRdwtQMji7TBDjKGUxltCkofgVt9+w67Dy75tOTILb48QQUtTH J3jM+d78T2Ll8i0oK4y75iFQbyDYLBBjUBFtGK5UNK7ESMlnMPHrjuU3A3io6xJmD59iFVkbsbgT 9hn2/7Z8RqY3dWqzlVbEP0bYHQZMEtkBGn2WBOpfby1mKLezbJdQEGTNNsGpifnL+9wgoTj4ygNP w1XfN1NDzPNYHcEn7J1PCauV/Z3KrCV3TKT9vjt7t7chhtI4QhP7TIXNUd1EE8ZqEKH23A== X-Report-Abuse-To: spam@quarantine3.antispamcloud.com X-Spam-Score: 0.9 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. 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Content preview: Ciao Domenico Thank you for the message and extended explanations Big SORRY :( [...] Content analysis details: (0.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [185.201.17.22 listed in list.dnswl.org] 0.6 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server [85.60.35.36 listed in dnsbl.sorbs.net] 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 44f86b71899a78e1998f84722b8e93d8 Subject: Re: LF: EA5DOM EbNaut Tx test in 137.485 Content-Type: multipart/alternative; boundary="_000_6DB8451D7F3D3947A5918808A59621EA0863EF68servigilantvigi_" 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_FONT_BIG, 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 --_000_6DB8451D7F3D3947A5918808A59621EA0863EF68servigilantvigi_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Ciao Domenico Thank you for the message and extended explanations Big SORRY :( Yes, the CRC was 18, not 19 as wrongly indicated in my email, and the time = lenght is about 28 minutes Please check again last night files to see if there is a decode 73 de Luis EA5DOM ________________________________ De: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org]= en nombre de Domenico IZ7SLZ [iz7slz.domenico@gmail.com] Enviado: s=E1bado, 22 de septiembre de 2018 10:57 Para: rsgb_lf_group@blacksheep.org Asunto: Re: LF: EA5DOM EbNaut Tx test in 137.485 Hello Luis and all, returned home today and now it's time to 'play' a little bit with our fanta= stic 'hobby' ! I have tried to search for your signal in the recordings. This is very easy to do with linux and vlfrx-tools. In fact i'm recording t= he audio from the LF receiver with the program 'vtwrite'. This program crea= tes its proper files in a dedicated hard disk (used only for the storage) .= I setted vtwrite to create one file each 24 hour. It is very confortable = to retry the raw data by using 'vtread' program, just specify the date, the= duration and the location of the storage directory. In this way, it is pos= sible to post-processings any possible transmissions in the audio band reco= rdered. You can 'play' anytime the raw file and change the parameters, offs= ets or NB settings. Nice tools, thanks again to Paul Nicholson. But, sorry to say that, till now, the search of your 'DOM' message is wit= hout results. Maybe one of the parameters you have announced is different from that you h= ave really used. That's becouse the duration for 16K21A, CRC=3D19, 3 Chars, 2 (total 912 bits) is more than 30 minutes for T= =3D2s and maybe some symbols were not transmitted due to your 'half hour be= aconing'. There is also a lack of sensitivity on LF on my receiver. Noise floor, also= during nightime, is very high (one week ago was less) and i suspect some = hardware trouble here (groundings or a new local 'macoomba' noise). Investi= gation is started. I have a second receiver, GPS referenced, tuned on MF op8 band (478.450-= 478.550) https://www.qsl.net/iz7slz/OPDS8/opds8.jpg Interesting to see and analyze some OP8 signals on that band. The opds prog= ram (from Markus DF6NM) is giving some interesting results ( https://www.qs= l.net/iz7slz/OPDS8/DETECTED8.TXT ) Dear Luis, can i suggest you (or other operators) to try an EbNaut transmis= sion on that MF band ? Autodecoder webpage is setted for R3RWR transmissions now, but it's easy to= change parameters. You can transmitt anytime, since also MF band is record= ered in a separate storage media. Waiting for your comment. 73, Domenico IZ7SLZ On Fri, 21 Sep 2018 at 10:27, VIGILANT Luis Fern=E1ndez > wrote: Hi EbNaut Yesterday installed the PA and my intention was to transmit with the lowest= possible power (about 24W at 12V in LOW mode) but Murphy confirmed that the lowest possible power =85..is always zero. So= mething went wrong :( Anyway cound trim the antenna to resonance. It was a couple of KHz down. An= d using the mosfet driver at 14V could see some improvements in output level and the device clearly heating.= No Vrms meter available so I can=92t confirm the output power or current for this transmissions Trying to check if there could be a decode at Domenico=92s EbNaut decoder I= transmitted all night with the usual parameters for weak signal in a less than half an hour messa= ge. May be Stefan can use the files he is recording and check for the transmission f =3D 137485.000 Hz Start time: 20.SEP.2018 19:00:00 UTC up to 05:30:00 UTC (message starting = at minute 00 and 30 every hour) Symbol period: 2s Characters: 3 CRC bits: 19 Coding 16K21A The message is =93DOM=94, so if anyone wants to correlate the received sign= al and get some extra dBs. This is extremely weak signal. The input power to the antenna must be well under 1W, so the E= RP must be very low There was no decode at Domenico=92s grabber https://www.qsl.net/iz7slz/EBNAUT/DECODED.TXT Just for measurement of signal I can run a permanent carrier tonight if thi= s can help 73 de Luis EA5DOM --_000_6DB8451D7F3D3947A5918808A59621EA0863EF68servigilantvigi_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Ciao Domenico

Thank you for the message and extended explanations

Big SORRY :(

Yes, the CRC was 18, not 19 as wrongly indicated in my email, and the = time lenght is about 28 minutes 

Please check again last night files to see if there is a decode

73 de Luis
EA5DOM

De: owner-rsgb_lf_group@blacksheep.org [o= wner-rsgb_lf_group@blacksheep.org] en nombre de Domenico IZ7SLZ [iz7slz.dom= enico@gmail.com]
Enviado: s=E1bado, 22 de septiembre de 2018 10:57
Para: rsgb_lf_group@blacksheep.org
Asunto: Re: LF: EA5DOM EbNaut Tx test in 137.485

Hello Luis and all,

returned home today and now it's time to 'play' a little bit with our = fantastic 'hobby' !

I have tried to search for your signal in the recordings.

This is very easy to do with linux and vlfrx-tools. In fact i'm record= ing the audio from the LF receiver with the program 'vtwrite'. This program= creates its proper files in a dedicated hard disk (used only for the stora= ge) . I setted vtwrite to create one file each 24 hour.  It is very confortable to retry the raw data = by using 'vtread' program, just specify the date, the duration and the loca= tion of the storage directory. In this way, it is possible to post-processi= ngs any possible transmissions in the audio band recordered. You can 'play' anytime the raw file and change the = parameters, offsets or NB settings.
Nice tools, thanks again to Paul Nicholson.

But, sorry to say that,  till now,  the search of your 'DOM'= message is without results.
Maybe one of the parameters you have announced is different from that = you have really used. That's becouse the duration for
16K21A, CRC=3D19, 3 Chars, 2 (total 912 bits) is more than 30 minutes = for T=3D2s and maybe some symbols were not transmitted due to your 'half ho= ur beaconing'.

There is also a lack of sensitivity on LF on my receiver. Noise floor,= also during nightime, is very high (one week ago was less)  and i sus= pect some hardware trouble here (groundings or a new local 'macoomba' noise= ). Investigation is started.

I have  a second receiver, GPS referenced,   tuned on MF op8= band (478.450-478.550)   ht= tps://www.qsl.net/iz7slz/OPDS8/opds8.jpg
Interesting to see and analyze some OP8 signals on that band. The opds= program (from Markus DF6NM) is giving some interesting results ( https://www.qsl.net/iz7slz/OPDS8/DETECTED8.TXT )

Dear Luis, can i suggest you (or other operators) to try an EbNaut tra= nsmission on that MF band ?
Autodecoder webpage is setted for R3RWR transmissions now, but it's ea= sy to change parameters. You can transmitt anytime, since also MF band is r= ecordered in a separate storage media.

Waiting for your comment.

73, Domenico IZ7SLZ




On Fri, 21 Sep 2018 at 10:27, VIGILANT Luis Fern=E1ndez &l= t;luis@vigilant.es> wrote:

Hi EbNaut

 

Yesterday installed the PA and = my intention was to transmit with the lowest possible power (about 24W at 1= 2V in LOW mode)

but Murphy confirmed that the l= owest possible power =85..is always zero. Something went wrong L

 

Anyway cound trim the antenna t= o resonance. It was a couple of KHz down. And using the mosfet driver at 14= V

could see some improvements in = output level and the device clearly heating. No Vrms meter available so I c= an=92t

confirm the output power or cur= rent for this transmissions

 

Trying to check if there could = be a decode at Domenico=92s EbNaut decoder I transmitted all night

with the usual parameters for w= eak signal in a less than half an hour message. May be Stefan can=

use the files he is recording a= nd check for the transmission

 

f =3D 137485.000 Hz
Start time: 20.SEP.2018  19:00:00 UTC up to 05:30:00 UTC (message star= ting at minute 00 and 30 every hour)
Symbol period: 2s
Characters: 3
CRC bits: 19<= /span>
Coding 16K21A

The message is =93DOM=94, so if= anyone wants to correlate the received signal and get some extra dBs. This= is extremely

weak signal. The input power to= the antenna must be well under 1W, so the ERP must be very low

 

There was no decode at Domenico= =92s grabber

https://www.qsl.net/iz7slz/EBN= AUT/DECODED.TXT

 

Just for measurement of signal = I can run a permanent carrier tonight if this can help=

 

73 de Luis=

EA5DOM

 

--_000_6DB8451D7F3D3947A5918808A59621EA0863EF68servigilantvigi_--