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 w4EIAD6H020667 for ; Mon, 14 May 2018 20:10:14 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1fIHi5-0006RU-AP for rs_out_1@blacksheep.org; Mon, 14 May 2018 18:56:33 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1fIHi3-0006RH-Vt for rsgb_lf_group@blacksheep.org; Mon, 14 May 2018 18:56:31 +0100 Received: from mail-wm0-x234.google.com ([2a00:1450:400c:c09::234]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1fIHi2-0003Oi-3K for rsgb_lf_group@blacksheep.org; Mon, 14 May 2018 18:56:30 +0100 Received: by mail-wm0-x234.google.com with SMTP id j5-v6so16832784wme.5 for ; Mon, 14 May 2018 10:56:28 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=FMNg94fgqsCQ8Azl9CxGBzcxEUKF9/hO/8ZIFzmIVLQ=; b=oeZj2TZnDPP/NlH0P5QvY3gNrYyUyXKBWagfLZqQrtR///2K1/Qyq1iIZR5ZXzRfY/ FNdpOA8wayFLvclOBrGsCElSuyZnZ5nNI9BLljxbxvJ7pNiGTePSIvKx57zUZL1hTL/0 aCnGytgrihaW1cZxRbUWX7EaFlI6EK0M1kPtjwZo53zfAqOBqxx2YOG3iGOv7aSFECj8 1q+ArLcU3A3l8L9hvayeMr9Llrzzi+SQ0vV8gDyv9QBaZUakba8lVauqSlaw7hbtad65 rRyD/VUztPmpTMRRoWnXwwbeKV2gkU6VGAryR+v0ggB7xJUwx+hcJgxLQoaZPsEGq8NX 7ORw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=FMNg94fgqsCQ8Azl9CxGBzcxEUKF9/hO/8ZIFzmIVLQ=; b=caL0xNN/gwh1TuONuQa0vUXdb2Tx0h5ypSLY+14a/5WPrQRM6eST077FpJO9KFNYoH Kb+xz54O7uD/VhwRRH/aZ4ddXJoZ5MqustASQkSbAKiQuVk6zRF9ZLWdiVKX4+oqJ9p3 kpG3kIBHIZujgo6O3uzZcB7fUrFuNbvN+/KtQrrgW0N6aheWGHy1bLOo2OuGZ9inyk2z 9LjEmpic5x4VNT8MtB+h9FuPjnFT440Q9HnE8PBRYseMWy4k+WpQ4c7nLcEIgwJe9Ybb s6WnD0zWH5MhDVidafkMXGH4H0BTf/Omsy+hUf5bYsbEKP7S2iFuw2cVsdGFpYiN+lNt jN1Q== X-Gm-Message-State: ALKqPwe0Pxyd2cuAPxIxP/612hdNQTjL6PV9NS5AYHpgyUgQb1U6Y2C+ CIIxxg1otcrXZg07U3M7itH2QQGRWXQJK/3Sb/c= X-Google-Smtp-Source: AB8JxZqAaj73AmnZB2eYSazgKkcB+VCmIrMyJ63wNVkSKBS6SrcYRWXzdxTtXPsHe4urnoV3VRslIo8EkcQGl0qM9Fo= X-Received: by 2002:a50:869a:: with SMTP id r26-v6mr13760386eda.64.1526320587959; Mon, 14 May 2018 10:56:27 -0700 (PDT) MIME-Version: 1.0 References: <5AF5B035.70102@posteo.de> <5AF6C274.8000008@posteo.de> <5AF88187.1070808@posteo.de> In-Reply-To: From: Riccardo Zoli Date: Mon, 14 May 2018 19:56:14 +0200 Message-ID: To: LF Group X-Spam-Score: -0.4 (/) 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 VLF, I retry with some consecutive transmissions. Session started at *17:30 UTC*, every *8h*, same parameters. *QRG: 8270.003 Hz* *6 ch.* *25 sec./sym* *coding 16K21A* *CRC 15* *duration 7h 53' 20"* antenna current about 600mA [...] Content analysis details: (-0.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [2a00:1450:400c:c09:0:0:0:234 listed in] [list.dnswl.org] 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit (riccardozoli80[at]gmail.com) 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (riccardozoli80[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 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: ddc71e1a1d591ba4b0707785ee3cd98b Subject: Re: VLF: EbNaut at 8270.003 Content-Type: multipart/alternative; boundary="0000000000007571c3056c2e34a0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_60_70, HTML_MESSAGE,HTML_TAG_EXISTS_TBODY,MAILTO_TO_SPAM_ADDR 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 --0000000000007571c3056c2e34a0 Content-Type: text/plain; charset="UTF-8" Hi VLF, I retry with some consecutive transmissions. Session started at *17:30 UTC*, every *8h*, same parameters. *QRG: 8270.003 Hz* *6 ch.* *25 sec./sym* *coding 16K21A* *CRC 15* *duration 7h 53' 20"* antenna current about 600mA GE all, 73 de Riccardo IW4DXW Il Dom 13 Mag 2018, 20:57 Riccardo Zoli ha scritto: > > > Hi, Stefan! Thanks again for trying to decode my vy weeeak sig. :-) > Unfortunately my TX goes off at 1733 UTC. > Here the WX turned to stormy suddenly: too much wind and rain to mantain a > normal antenna current and the WX forecast does not bode well :-/ > I hope to come back soon on air.... > > > GE all > > 73 de Riccardo IW4DXW > > > > Il Dom 13 Mag 2018, 20:23 DK7FC ha scritto: > >> RR. Thanks for the transmissions. I'd like playing with EbNaut daily. >> >> This night was very noisy with local thunderstorms again. But with all >> tricks including Paul's iqnorm2 script, i decoded the message. Without >> that, the Eb/N0 is several dB below the decode limit. Using the -a >> normalisation feature i improved the Eb/N0 even more. The final result is: >> sr@vlf:~/vlf/iw4dxw$ vtwavex 13.wav | vtcat -T2018-05-13_00:00,+8h | >> vtraw -oa | ./iqnorm2 | ebnaut -dp16K21A -N6 -S25 -r1.1574 -c4 -k15 -PS -f9 >> -T3 -F-0.097 -L1500 -v -a25 >> skipped 2.592017 seconds to start >> initial reference phase 84.4 amplitude 7.287e+00 >> found rank 1087 ber 4.0581e-01 Eb/N0 -0.2 M -1.957628479e+02 ph 96 >> 0,30,30,60 [IW4DXW] >> carrier phase: 4.1 deg >> carrier Eb/N0: -0.1 dB >> carrier Es/N0: -15.29 dB >> carrier S/N: 15.26 dB in 35.2 uHz, -29.27 dB in 1Hz, -63.25 dB in 2.5kHz >> elapsed 1502 >> >> 73, Stefan >> >> >> Am 13.05.2018 18:07, schrieb Riccardo Zoli: >> >> >> Restarted at 1600 UTC (13 May), 610mA. >> >> >> GE, 73 de Riccardo IW4DXW >> >> Il Dom 13 Mag 2018, 12:26 Riccardo Zoli ha >> scritto: >> >>> >>> Hi VLF. >>> >>> TX stopped at 0800 UTC. >>> More info soon. >>> >>> Thanks! >>> >>> >>> All the best >>> >>> 73 de Riccardo IW4DXW >>> >>> >>> >>> >>> >>> >>> Il 12 Mag 2018 18:29, "Riccardo Zoli" ha >>> scritto: >>> >>> >>> Hi VLF, >>> >>> >>> Thanks Stefan and Markus for your detailed reports. >>> >>> Ok Stefan, I'm agree, we can try: a new message started at 1600 UTC, >>> same scheduling for the following transmissions. >>> >>> *QRG: 8270.003 Hz* >>> *6 ch.* >>> *25 sec./sym* >>> *coding 16K21A* >>> *CRC 15* >>> *duration 7h 53' 20"* >>> antenna current about 600mA >>> >>> GL and thanks again for your patience :-) >>> >>> >>> P.S.: now there are some thunderstorms nearby, I hope I won't have to >>> stop the TX :-/ >>> >>> >>> All the best >>> >>> 73 de Riccardo IW4DXW >>> >>> >>> >>> >>> >>> >>> Il Sab 12 Mag 2018, 12:34 DK7FC ha scritto: >>> >>>> Here is a corrected and continued list of the results of your >>>> transmissions: >>>> >>>> Date Carrier Eb/N0 [dB] >>>> 09.May_08:00 -1.3 >>>> 09.May_16:01 -6.1 >>>> 10.May_00:00 -4.9 >>>> 10.May_08:00 -6.8 >>>> 10.May_16:00 +0.9 decoded >>>> 11.May_00:00 +6.9 decoded >>>> 11.May_08:00 -2.7 >>>> 11.May_16:00 +4.8 decoded >>>> 12.May_00:00 +7.0 decoded >>>> 73, Stefan >>>> >>>> PS: You could try to transmit your full callsign for example. It would >>>> work here. A higher challenge. >>>> >>>> >>>> >>>> Am 11.05.2018 17:01, schrieb DK7FC: >>>> >>>> Hi Riccardo, >>>> >>>> Now i finally got your message, see attachment. The transmission of >>>> tonite 0 UTC was very strong, as i would usually expect. >>>> It must have been the QRN. And now since know the message i can look >>>> for the S/N or Eb/N0 of each of your transmissions: >>>> >>>> Date Eb/N0 [dB] >>>> 09.May_08:00 -1.3 >>>> 09.May_16:01 -6.1 >>>> 10.May_00:00 -4.9 >>>> 10.May_08:00 -6.8 >>>> 10.May_16:00 +0.9 decoded >>>> 11.May_00:00 +7.9 decoded >>>> 73, Stefan >>>> >>>> >>>> >>>> Am 10.05.2018 02:19, schrieb Riccardo Zoli: >>>> >>>> >>>> Hi VLF, >>>> >>>> I have only reduced the CRC. >>>> >>>> *Start time: 00:00 UTC (May 10) *every 8 hours. >>>> >>>> *QRG: 8270.003* >>>> *2 chars* >>>> *30 sec/sym.* >>>> *coding 16K21A* >>>> *CRC 27* >>>> *duration: 7h 52'* >>>> antenna current: 580 mA >>>> >>>> Thanks for reports, as usual... >>>> >>>> All the best >>>> >>>> >>>> 73 de Riccardo IW4DXW >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> Il Sab 12 Mag 2018, 12:34 DK7FC ha scritto: >>> >>>> Here is a corrected and continued list of the results of your >>>> transmissions: >>>> >>>> Date Carrier Eb/N0 [dB] >>>> 09.May_08:00 -1.3 >>>> 09.May_16:01 -6.1 >>>> 10.May_00:00 -4.9 >>>> 10.May_08:00 -6.8 >>>> 10.May_16:00 +0.9 decoded >>>> 11.May_00:00 +6.9 decoded >>>> 11.May_08:00 -2.7 >>>> 11.May_16:00 +4.8 decoded >>>> 12.May_00:00 +7.0 decoded >>>> 73, Stefan >>>> >>>> PS: You could try to transmit your full callsign for example. It would >>>> work here. A higher challenge. >>>> >>>> >>>> >>>> Am 11.05.2018 17:01, schrieb DK7FC: >>>> >>>> Hi Riccardo, >>>> >>>> Now i finally got your message, see attachment. The transmission of >>>> tonite 0 UTC was very strong, as i would usually expect. >>>> It must have been the QRN. And now since know the message i can look >>>> for the S/N or Eb/N0 of each of your transmissions: >>>> >>>> Date Eb/N0 [dB] >>>> 09.May_08:00 -1.3 >>>> 09.May_16:01 -6.1 >>>> 10.May_00:00 -4.9 >>>> 10.May_08:00 -6.8 >>>> 10.May_16:00 +0.9 decoded >>>> 11.May_00:00 +7.9 decoded >>>> 73, Stefan >>>> >>>> >>>> >>>> Am 10.05.2018 02:19, schrieb Riccardo Zoli: >>>> >>>> >>>> Hi VLF, >>>> >>>> I have only reduced the CRC. >>>> >>>> *Start time: 00:00 UTC (May 10) *every 8 hours. >>>> >>>> *QRG: 8270.003* >>>> *2 chars* >>>> *30 sec/sym.* >>>> *coding 16K21A* >>>> *CRC 27* >>>> *duration: 7h 52'* >>>> antenna current: 580 mA >>>> >>>> Thanks for reports, as usual... >>>> >>>> All the best >>>> >>>> >>>> 73 de Riccardo IW4DXW >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> --0000000000007571c3056c2e34a0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hi VLF,


I retry with some consecutive transmissions.
Sessio= n started at 17:30 UTC, every 8h, same parameters.

QRG: 8270.003 Hz
6 ch.
=
25 sec./sym
coding 16K21A
CRC 15=
duration 7h 53' 20"
antenna current about 600mA


GE all, 73 de Riccardo IW4DXW


Il Dom 13 Mag 2018, 20:57 Riccardo Zoli <riccardoz= oli80@gmail.com> ha scritto:


=
Hi, Stefan! Thanks again for trying to decode my vy weeea= k sig. :-)
Unfortunately my TX goes off at 1733 UTC.=
Here the WX turned to stormy suddenly: too much win= d and rain to mantain a normal antenna current and the WX forecast does not= bode well :-/
I hope to come back soon on air....


GE all

73 de Riccardo= IW4DXW



Il Dom 13 Mag 2018, 20:23 DK7FC <selberdenken@posteo.de> ha scritto:
=20
RR. Thanks for the transmissions. I'd like playing with EbNaut daily. <= br>
This night was very noisy with local thunderstorms again. But with all tricks including Paul's iqnorm2 script, i decoded the message. Without that, the Eb/N0 is several dB below the decode limit. Using the -a normalisation feature i improved the Eb/N0 even more. The final result is:
sr@vlf:~/vlf/iw4dxw$ vtwavex 13.wav | vtcat -T2018-05-13_00:00,+8h | vtraw -oa | ./iqnorm2 | ebnaut -dp16K21A -N6 -S25 -r1.1574 -c4 -k15 -PS -f9 -T3 -F-0.097 -L1500 -v -a25
skipped 2.592017 seconds to start
initial reference phase 84.4 amplitude 7.287e+00
found rank 1087 ber 4.0581e-01 Eb/N0 -0.2 M -1.957628479e+02 ph 96 0,30,30,60 [IW4DXW]
carrier phase: 4.1 deg
carrier Eb/N0: -0.1 dB
carrier Es/N0: -15.29 dB
carrier S/N: 15.26 dB in 35.2 uHz, -29.27 dB in 1Hz, -63.25 dB in 2.5kHz elapsed 1502

73, Stefan


Am 13.05.2018 18:07, schrieb Riccardo Zoli:

Restarted at 1600 UTC (13 May), 610mA.


GE, 73 de Riccardo IW4DXW

Il Dom 13 Mag 2018, 12:26 Riccardo Zoli <riccardozoli80@gmail.com> ha scritto:

Hi VLF.

TX stopped at 0800 UTC.
More info soon.

Thanks!


All the best

73 de Riccardo IW4DXW






Il 12 Mag 2018 18:29, "Riccardo Zoli&qu= ot; <riccardozoli80@gmail.com> ha scritto:

Hi VLF,


Thanks Stefan and Markus for your detailed reports.

Ok Stefan, I'm agree, we can try: a new message started at 1600 UTC, same scheduling for the following transmissions.

QRG: 8270.003 Hz
6 ch.
25 sec./sym
coding 16K21A
CRC 15
duration 7h 53' 20"
antenna current about 600mA

GL and thanks again for your patience :-)


P.S.: now there are some thunderstorms nearby, I hope I won't have to stop the TX :-/


All the best

73 de Riccardo IW4DXW






Il Sab 12 Mag 2018, 12:34 DK7FC <selberdenken@posteo.de> ha scritto:
Here is a corrected and continued list of the results of your transmissions:

Date Carrier Eb/N0 [dB]
09.May_08:00 -1.3
09.May_16:01 -6.1
10.May_00:00 -4.9
10.May_08:00 -6.8
10.May_16:00 +0.9 decoded
11.May_00:00 +6.9 decoded
11.May_08:00 -2.7
11.May_16:00 +4.8 decoded
12.May_00:00 +7.0 decoded

73, Stefan

PS: You could try to transmit your full callsign for example. It would work here. A higher challenge.



Am 11.05.2018 17:01, schrieb DK7FC:
Hi Riccardo,

Now i finally got your message, see attachment. The transmission of tonite 0 UTC was very strong, as i would usually expect.
It must have been the QRN. And now since know the message i can look for the S/N or Eb/N0 of each of your transmissions:

Date Eb/N0 [dB]
09.May_08:00 -1.3
09.May_16:01 -6.1
10.May_00:00 -4.9
10.May_08:00 -6.8
10.May_16:00 +0.9 decoded
11.May_00:00 +7.9 decoded

73, Stefan



Am 10.05.2018 02:19, schrieb Riccardo Zoli:

Hi VLF,

I have only reduced the CRC.

Start time: 00:00 UTC (May 10) every 8 hours.

QRG: 8270.003
2 chars
30 sec/sym.
coding 16K21A
CRC 27
duration: 7h 52'
antenna current: 580 mA

Thanks for reports, as usual...

All the best


73 de Riccardo IW4DXW







Il Sab 12 Mag 2018, 12:34 DK7FC <selberdenken@posteo.de> ha scritto:
Here is a corrected and continued list of the results of your transmissions:

Date Carrier Eb/N0 [dB]
09.May_08:00 -1.3
09.May_16:01 -6.1
10.May_00:00 -4.9
10.May_08:00 -6.8
10.May_16:00 +0.9 decoded
11.May_00:00 +6.9 decoded
11.May_08:00 -2.7
11.May_16:00 +4.8 decoded
12.May_00:00 +7.0 decoded

73, Stefan

PS: You could try to transmit your full callsign for example. It would work here. A higher challenge.



Am 11.05.2018 17:01, schrieb DK7FC:
Hi Riccardo,

Now i finally got your message, see attachment. The transmission of tonite 0 UTC was very strong, as i would usually expect.
It must have been the QRN. And now since know the message i can look for the S/N or Eb/N0 of each of your transmissions:

Date Eb/N0 [dB]
09.May_08:00 -1.3
09.May_16:01 -6.1
10.May_00:00 -4.9
10.May_08:00 -6.8
10.May_16:00 +0.9 decoded
11.May_00:00 +7.9 decoded

73, Stefan



Am 10.05.2018 02:19, schrieb Riccardo Zoli:

Hi VLF,

I have only reduced the CRC.

Start time: 00:00 UTC (May 10) every 8 hours.

QRG: 8270.003
2 chars
30 sec/sym.
coding 16K21A
CRC 27
duration: 7h 52'
antenna current: 580 mA

Thanks for reports, as usual...

All the best


73 de Riccardo IW4DXW







--0000000000007571c3056c2e34a0--