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 w8OKEYGX000880 for ; Mon, 24 Sep 2018 22:14:37 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1g4XBj-0005KC-4a for rs_out_1@blacksheep.org; Mon, 24 Sep 2018 21:10:35 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1g4XBi-0005K3-A3 for rsgb_lf_group@blacksheep.org; Mon, 24 Sep 2018 21:10:34 +0100 Received: from out3-22.antispamcloud.com ([185.201.18.22]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1g4XBf-0001WG-20 for rsgb_lf_group@blacksheep.org; Mon, 24 Sep 2018 21:10:33 +0100 Received: from [85.60.35.36] (helo=servigilant.vigilant.es) by mx105.antispamcloud.com with esmtpsa (TLSv1:ECDHE-RSA-AES128-SHA:128) (Exim 4.89) (envelope-from ) id 1g4XB3-0003vE-27 for rsgb_lf_group@blacksheep.org; Mon, 24 Sep 2018 22:10:27 +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; Mon, 24 Sep 2018 22:09:45 +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/aT4eZNMkp3TsSkQAvQyYAAAq8fLMAbdP/AAAHGdIo Date: Mon, 24 Sep 2018 20:09:43 +0000 Message-ID: <6DB8451D7F3D3947A5918808A59621EA08640AA5@servigilant.vigilant.local> References: <6DB8451D7F3D3947A5918808A59621EA0863C3CF@servigilant.vigilant.local> <6DB8451D7F3D3947A5918808A59621EA0863EF68@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: [95.17.55.22] 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: EX5BVjFpneJeBchSMxfU5i9duKIV+HUZWXju80bfqS1602E9L7XzfQH6nu9C/Fh9KJzpNe6xgvOx q3u0UDjvOw5j2C7YKailx2Uop+U2Gs8m9etQhNgzEtWqBtUXOJSHVTGbEWWnE2yTxqfzAQugcZ7d KeLLCclCdbtMLORKHzJIeZjZv1oz6oWKgngYgisMJ0bZP3eYDXxLY7bneVfI6dcam2SxBi2gl3tH FIoPtzsf0wQn+qGFwFhnrZWr3AIwIkRInETzFeWnWEMjTrypoJbF8Ivvzp41zJACSToCpX36qyHr byaR4ePUKnm2FKDCDD2gT2inkFvv0JWjnb/IrPOCuoaV6DYsC3dGdIrLGqrW8aZxLG7Y0pk1ZN1X bEZoeGCH+SJjE48GzCqfGD0ud53+zxpzqXnGGiQ01PlGSKsJi5lucXozcAWJZZIdG3Z2NDwiAPJ6 Kw+cgKFzaOFmsJFVgpT1b21uZVckGp0ccOZ1/atoPPXpgcY5OL20mhCuJgQWcrs8q+WcXVXZDcW5 0nQA4NuQg1+/HGgfT4I9ZhrTiEw2ui8TVPldBCj8jBAT53fcGYa1TFd19zW4fvyg/zroqkJjJypr 25Y5j9XmYdPQWme0cY7xH2hSVALEL88hEq/3gpfDhw/6RJBwn4n3MznjzDI/k4qfLUUHhFnEa/pq 8v2adr3xIBXCBg0CnYzHlc+A7u7/1DSbItECymyqrtsoz0WD36Q8NegEnB1RePQWEEbFH6eO+xAH sKGn4RQ3Ibtf63VNbf0lrvssY+k7AOGyOrGOL2rVqj/ve/lgpH5MDP+9QJeTd2PgwYTunHJuvxQw ycu7PmmmnKRr0oRbBZoGYLhZw6BIjErR+s0fx8feNHk15VolAGHS5rCXQKDyG1yXkoiS9WdC9+MI cqd1I9vRdiHGUOaUCn5fgl8mpPxWAFg8Da8ABuxGHUsi2ct1OljlTaxEh4L9rdfAwS/U+g== 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. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Hi Domenico, EbNaut Thank you for the good news ! :-) Yes, I was transmiting the message, so this decodes are genuine. It is amazing to get a decode with so little power. I could not measure the power with antenna connected, but the mosfet driver output was about 4Vrms over 50ohm load when tested in the lab. So it must be around 320mW You can guess which was the radiated power ;-) [...] 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 [185.201.18.22 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: 520e2bfd10110cfc81cad3398a729455 Subject: Re: LF: EA5DOM EbNaut Tx test in 137.485 Content-Type: multipart/alternative; boundary="_000_6DB8451D7F3D3947A5918808A59621EA08640AA5servigilantvigi_" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_20_30,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_6DB8451D7F3D3947A5918808A59621EA08640AA5servigilantvigi_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Domenico, EbNaut Thank you for the good news ! :-) Yes, I was transmiting the message, so this decodes are genuine. It is amaz= ing to get a decode with so little power. I could not measure the power with antenna connected, but = the mosfet driver output was about 4Vrms over 50ohm load when tested in the lab. So it must be around 320mW You can guess which was the radiated power ;-) This afternoon I have made some transmissions with the PA at low power, abo= ut 20w, using the U3S. Tried some Op32 and WSPR-2. Got decodes from Chris, 2E0ILY both in Opera an= d WSPR in daylight being just 13:30 UTC There are also some decodes at Markus Op32 grabber Storm forecast for the next couple of days. Will keep testing later this we= ek Thanks again Domenico 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: lunes, 24 de septiembre de 2018 20:29 Para: rsgb_lf_group@blacksheep.org Asunto: Re: LF: EA5DOM EbNaut Tx test in 137.485 Hello Luis and all, there are good news for you. I was investigating in your transmissions and,= just for my error, i set, in the decoder routine, the wrong date of 23rd = september. I catch your message at 00.00 and 00.30 ! initial reference phase 54.1 amplitude 1.763e+00 phase 0 0 0 0 0 carrier phase: -2.8 deg carrier Eb/N0: 9.9 dB carrier Es/N0: -7.26 dB carrier S/N: 22.26 dB in 558.0 uHz, -10.27 dB in 1Hz, -44.25 dB in 2.5kHz elapsed 33 phase 1 180 180 180 180 found rank 0 ber 2.9799e-01 Eb/N0 8.7 M -4.760565567e+01 ph 0 0,0,0,0 [DOM] initial reference phase 78.1 amplitude 1.387e+00 phase 0 0 0 0 0 carrier phase: -6.1 deg carrier Eb/N0: 8.6 dB carrier Es/N0: -8.56 dB carrier S/N: 20.96 dB in 558.0 uHz, -11.57 dB in 1Hz, -45.55 dB in 2.5kHz elapsed 33 found rank 0 ber 3.2478e-01 Eb/N0 7.4 M -3.836220932e+01 ph 0 0,0,0,0 [DOM] Do you confirm the transmissions at that time ? Can you tell the power used= ? If confirmed, seems that your setup now is ok. Many compliments. I have pro= grammed again my autodecoder with your last parameters (3 ch, 2s, CRC18,16K= 21A 136485 Hz). Hope to catch you 'live' ! 73, Domenico IZ7SLZ On Sat, 22 Sep 2018 at 14:14, VIGILANT Luis Fern=E1ndez > wrote: 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_6DB8451D7F3D3947A5918808A59621EA08640AA5servigilantvigi_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hi Domenico, EbNaut

Thank you for the good news ! :-)
Yes, I was transmiting the message, so this decodes are genuine. It is= amazing to get a decode with
so little power. I could not measure the power with antenna connected,= but the mosfet driver output was about
4Vrms over 50ohm load when tested in the lab. So it must be around 320= mW
You can guess which was the radiated = power ;-)

This afternoon I have made some transmissions with the PA at low power= , about 20w, using the U3S.
Tried some Op32 and WSPR-2. Got = decodes from Chris, 2E0ILY both in Opera and WSPR in daylight being just 13= :30 UTC
There are also some decodes at Markus Op32 grabber

Storm forecast for the next couple of days. Will keep testing later th= is week

Thanks again Domenico

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: lunes, 24 de septiembre de 2018 20:29
Para: rsgb_lf_group@blacksheep.org
Asunto: Re: LF: EA5DOM EbNaut Tx test in 137.485

Hello Luis and all,

there are good news for you. I was investigating in your transmissions= and, just for my error, i set, in the decoder routine,  the wrong dat= e of 23rd september. I catch your message at 00.00 and 00.30 !

initial reference phase 54.1 amplitude 1.763e+00
phase   0    0    0  &nbs= p; 0    0
carrier phase: -2.8 deg
carrier Eb/N0: 9.9 dB
carrier Es/N0: -7.26 dB
carrier S/N: 22.26 dB in 558.0 uHz, -10.27 dB in 1Hz, -44.25 dB in 2.5kHz elapsed 33
phase   1  180  180  180  180
found rank 0 ber 2.9799e-01 Eb/N0 8.7 M -4.760565567e+01 ph 0 0,0,0,0 [= DOM]


initial reference phase 78.1 amplitude 1.387e+00
phase   0    0    0  &nbs= p; 0    0
carrier phase: -6.1 deg
carrier Eb/N0: 8.6 dB
carrier Es/N0: -8.56 dB
carrier S/N: 20.96 dB in 558.0 uHz, -11.57 dB in 1Hz, -45.55 dB in 2.5kHz elapsed 33
found rank 0 ber 3.2478e-01 Eb/N0 7.4 M -3.836220932e+01 ph 0 0,0,0,0 [= DOM]

Do you confirm the transmissions at that time ? Can you tell the power= used ?

If confirmed, seems that your setup now is ok. Many compliments. I hav= e programmed again my autodecoder with your last parameters (3 ch, 2s, CRC1= 8,16K21A 136485 Hz).
Hope to catch you 'live' !

73, Domenico IZ7SLZ



On Sat, 22 Sep 2018 at 14:14, VIGILANT Luis Fern=E1ndez &l= t;luis@vigilant.es> wrote:
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: own= er-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] e= n 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 = 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_6DB8451D7F3D3947A5918808A59621EA08640AA5servigilantvigi_--