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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Congratulations! Fine result at > 2,000 km overland at 5170 Hz (decode, 75.1% Shannon efficiency, -0.27 dB Eb/N0); an impressive milestone. 73, Jim AA5BW [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) 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: 96c1546db5321e0e52b4c66d17932f07 Subject: RE: Re[2]: VLF: Trying 12 chars on 5170.1 Hz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0358_01D38F8F.8FE214D0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_40_50,HTML_MESSAGE, NO_REAL_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 This is a multipart message in MIME format. ------=_NextPart_000_0358_01D38F8F.8FE214D0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Congratulations! Fine result at > 2,000 km overland at 5170 Hz (decode, = 75.1% Shannon efficiency, -0.27 dB Eb/N0); an impressive milestone.=20 =20 73, =20 Jim AA5BW =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Alex K Sent: Wednesday, January 17, 2018 11:03 AM To: rsgb_lf_group@blacksheep.org; DK7FC Subject: LF: Re[2]: VLF: Trying 12 chars on 5170.1 Hz =20 Hello Stefan, VLF! I am glad to report that 12-char message on 5170.1 Hz is successfully = decoded near Moscow. My congratulations to Stefan!=20 Also I made some mistake in the SpectrumLab's settings (32678 instead of = 32768) and all ebnaut-files were exported with the wrong length. So = councils from Stefan and Markus how to correct it were very useful! = Thanks! In stacking procedure were used ebnaut-files from 29Dec - 14Jan. So... 73 to Deutschland! :-) ebnaut-rx V0.7a input file C:\EbNaut\DK7FC-12ch-5170\sum_dk7fc =E2=80=94 = =D0=BA=D0=BE=D0=BF=D0=B8=D1=8F.wav sample rate 0.514403 per second rx frequency 5170.1 file start time 2018-01-14 14:32:26.360 polynomial 16K21A crc size 20 number of chars 12 block size 92 symbol period 30.000 number of symbols 1792 list length 20000000 start offset 1660.000 freq offset 0.000000 cores 1 skipped 1660.178234 seconds to start initial reference phase -10.0 --------------------------------------------- found 73 TO RUSSIA list rank 898759 reference phase 0 0 0 0 carrier S/N 18.08 dB in 18.6 uHz, -29.23 dB in 1Hz, -63.21 dB in 2.5kHz carrier Es/N0 -14.46 dB carrier Eb/N0 -0.27 dB info bit period 785.96 seconds symbol error rate 720/1792 =3D 40.179 % Es/N0 from symbol errors -15.0 dB Eb/N0 from symbol errors -0.8 dB Shannon capacity 6.1 bits/hour Shannon efficiency 75.1 % symbols file C:\EbNaut\DK7FC-12ch-5170\sum_dk7fc =E2=80=94 = =D0=BA=D0=BE=D0=BF=D0=B8=D1=8F-symbols.csv elapsed 159 seconds PS My grabber was restarted and now is running on 4470.1 Hz and 8270.1 = Hz (with corrected settings) 73 de Alex/rn3aus =D0=9F=D0=BE=D0=BD=D0=B5=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=B8=D0=BA, 15 = =D1=8F=D0=BD=D0=B2=D0=B0=D1=80=D1=8F 2018, 23:22 +03:00 =D0=BE=D1=82 = DK7FC : 17 transmissions completed. Now i stopped transmitting and will QSY to = 4470 Hz again soon, but this time with 300 mA. Tonite no transmission = (rare). 73, Stefan Am 29.12.2017 16:11, schrieb DK7FC:=20 >From now on i'm trying to pass 12 characters over to near Moscow, = despite the failed decode of the 3 char message. Details: f =3D 5170.1000 Hz Start time: 29.Dec.2017 15:00:00 UTC Symbol period: 30 s Characters: 12 CRC bits: 20 Coding 16K21A Duration: 14:56 [hh:mm] Antenna current: 300 mA A challenge for Jacek also, i think. Maybe even for Riccardo with his new setup? 73, Stefan ------=_NextPart_000_0358_01D38F8F.8FE214D0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Congratulations! Fine result at > 2,000 km overland at 5170 Hz = (decode, 75.1% Shannon efficiency, -0.27 dB Eb/N0); an impressive = milestone.

 

73,

 

Jim AA5BW

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Alex = K
Sent: Wednesday, January 17, 2018 11:03 AM
To: = rsgb_lf_group@blacksheep.org; DK7FC
Subject: LF: Re[2]: VLF: = Trying 12 chars on 5170.1 Hz

 

Hello Stefan, VLF!
I am glad to report = that 12-char message on 5170.1 Hz is successfully decoded near Moscow. = My congratulations to Stefan!
Also I made some mistake in the = SpectrumLab's settings (32678 instead of 32768) and all ebnaut-files = were exported with the wrong length. So councils from Stefan and Markus = how to correct it were very useful! Thanks!
In stacking procedure = were used ebnaut-files from 29Dec - 14Jan.

So... 73 to = Deutschland!
:-)

ebnaut-rx V0.7a
input file C:\EbNaut\DK7FC-12ch-5170\sum_dk7fc = =E2=80=94 =D0=BA=D0=BE=D0=BF=D0=B8=D1=8F.wav
sample rate 0.514403 per = second
rx frequency = 5170.1
file start time = 2018-01-14 14:32:26.360
polynomial 16K21A
crc size 20
number of chars 12
block size 92
symbol period 30.000
number of symbols 1792
list length 20000000
start offset 1660.000
freq offset 0.000000
cores 1
skipped 1660.178234 seconds to = start
initial reference phase = -10.0
---------------------------------------------<= /span>
found 73 TO = RUSSIA
list rank = 898759
reference phase 0 0 0 = 0
carrier S/N 18.08 dB in 18.6 = uHz, -29.23 dB in 1Hz, -63.21 dB in 2.5kHz
carrier Es/N0 -14.46 dB
carrier Eb/N0 -0.27 dB
info bit period 785.96 seconds
symbol error rate 720/1792 =3D 40.179 = %
Es/N0 from symbol errors = -15.0 dB
Eb/N0 from symbol = errors -0.8 dB
Shannon = capacity 6.1 bits/hour
Shannon = efficiency 75.1 %
symbols file = C:\EbNaut\DK7FC-12ch-5170\sum_dk7fc =E2=80=94 = =D0=BA=D0=BE=D0=BF=D0=B8=D1=8F-symbols.csv
elapsed 159 seconds

PS My grabber was = restarted and now is running on 4470.1 Hz and 8270.1 Hz (with corrected = settings)

73 de Alex/rn3aus

=D0=9F=D0=BE=D0=BD=D0=B5=D0=B4=D0=B5=D0=BB= =D1=8C=D0=BD=D0=B8=D0=BA, 15 =D1=8F=D0=BD=D0=B2=D0=B0=D1=80=D1=8F 2018, = 23:22 +03:00 =D0=BE=D1=82 DK7FC <selberdenken@posteo.de>:

17 = transmissions completed. Now i stopped transmitting and will QSY to 4470 = Hz again soon, but this time with 300 mA. Tonite no transmission = (rare).

73, Stefan

Am 29.12.2017 16:11, schrieb DK7FC: =

From now on i'm trying to pass 12 = characters over to near Moscow, despite the failed decode of the 3 char = message.
Details:

f =3D 5170.1000 Hz
Start time: = 29.Dec.2017  15:00:00 UTC
Symbol period: 30 s
Characters: = 12
CRC bits: 20
Coding 16K21A
Duration: 14:56 = [hh:mm]
Antenna current: 300 mA

A challenge for Jacek = also, i think.
Maybe even for Riccardo with his new setup?

73, = Stefan



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