Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v1JDbqmB014868 for ; Sun, 19 Feb 2017 14:37:53 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cfRcb-0008IO-8c for rs_out_1@blacksheep.org; Sun, 19 Feb 2017 13:33:49 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cfRc9-0008IF-3e for rsgb_lf_group@blacksheep.org; Sun, 19 Feb 2017 13:33:21 +0000 Received: from smtpout5.wanadoo.co.uk ([80.12.242.80] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1cfRc6-0006St-2O for rsgb_lf_group@blacksheep.org; Sun, 19 Feb 2017 13:33:19 +0000 Received: from AGB ([109.180.89.18]) by mwinf5d62 with ME id mdZC1u0090PlK6M03dZC7L; Sun, 19 Feb 2017 14:33:15 +0100 X-ME-Helo: AGB X-ME-Date: Sun, 19 Feb 2017 14:33:15 +0100 X-ME-IP: 109.180.89.18 Message-ID: <5F78A5280BA3412B9829C1E042E77593@AGB> From: "Graham" To: References: <58A6E5B8.6080007@posteo.de> <1487334367.396640876@f56.i.mail.ru> <58A6F8AF.70304@posteo.de> <58A8185E.600@posteo.de> <58A94DB4.7020005@posteo.de> <3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com> In-Reply-To: <3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com> Date: Sun, 19 Feb 2017 13:33:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Antivirus: Avast (VPS 170219-0, 19/02/2017), Outbound message X-Antivirus-Status: Clean X-Scan-Signature: fa743f59d022704fe4104ed922c6083c Subject: Re: VLF: This weekend... Content-Type: multipart/alternative; boundary="----=_NextPart_000_0032_01D28AB4.B745D880" 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-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 10643 This is a multi-part message in MIME format. ------=_NextPart_000_0032_01D28AB4.B745D880 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Your right Ed , there are no uk 8KHz tx permits .. Or Probably as there aint one that long Ed , Never tried OP10H ! But then , The test is data transfer / energy supplied , so would need = on corrected energy transfer to allow for the 50% duty cycle , carrier l= evel , either +3 dB or x 2 time Longest non mutilated Opera is 4 Hours, 2 hours carrier , acid test woul= d be a 4 hour test and Eb at 4 hours at -3 db power level over a live pat= h . results of that test would be interesting, ) 73-G, https://rosmodem.wordpress.com/ From: g3zjo Sent: Sunday, February 19, 2017 10:52 AM To: rsgb_lf_group@blacksheep.org Subject: Re: VLF: This weekend... On 19/02/2017 07:48, DK7FC wrote: ...i forgot to enable the scheduled actions in SpecLab, so the transmissi= on didn't start to the announced time. Noticed that and set the new start time to 18:15 UTC, i.e. 15 min delayed= =2E.. *An urban decode in G land. Wonderful.* (You couldn't do this with OPERA 'G= '). Of course all thanks and credits go to Paul, Marcus and Stefan not forgetti= ng Wolf. ebnaut-rx V0.6 input file C:\Comms\EbNaut\19_FEB_0005_8270.wav sample rate 0.342935 per second rx frequency 8270.1 file start time 2017-02-18 17:27:09.370 polynomial 16K21A crc size 16 number of chars 7 block size 58 symbol period 30.000 number of symbols 1248 list length 20000 start offset 2882.290 freq offset 0.000000 cores 2 skipped 2881.014117 seconds to start initial reference phase -54.6 --------------------------------------------- found 7Symbols Message list rank 0 reference phase 0 0 0 0 carrier RMS 6.027e-005 noise RMS 5.405e-006 carrier S/N 20.95 dB in 26.7 uHz carrier Es/N0 -10.02 dB carrier Eb/N0 4.94 dB info bit period 938.35 seconds symbol error rate 427/1248 =3D 34.215 % Es/N0 from symbol errors -10.8 dB Eb/N0 from symbol errors 4.2 dB Shannon capacity 16.4 bits/hour Shannon efficiency 23.3 % symbols file C:\Comms\EbNaut\19_FEB_0005_8270-symbols.csv elapsed 8 seconds 73 Eddie G3ZJO --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------=_NextPart_000_0032_01D28AB4.B745D880 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Your right Ed , there  are no  uk  8KHz tx permits .. O= r
 
Probably as there aint one that  long  Ed  , Never = ; tried   OP10H  !
 
But then , The  test is  data transfer / energy supplied , so  would need  on corrected energy transfer to allow for the  50% duty cycle  ,  carrier level , either  +3 dB o= r x 2 time
 
Longest  non mutilated  Opera is  4 Hours, 2 hours carrier , acid test would be a  4 hour test and Eb at 4 hour= s at  -3 db power level over a live path .
 
results of that  test would be interesting, )
 
73-G,
 

On 19/02/2017 07:48, DK7FC wrote:
...i forgot= to enable the scheduled actions in SpecLab, so the transmission didn't start= to the announced time.
Noticed that and set the new start time to 18:1= 5 UTC, i.e. 15 min delayed...


*An urban decode = in G land. Wonderful.* (You couldn't do this with OPERA 'G').

Of course a= ll thanks and credits go to Paul, Marcus and Stefan not forgetting Wolf.

ebnaut-rx V0.6
input file C:\Comms\EbNaut\19_FEB_0005_8270.wav
sample rate 0.342935 per second
= rx frequency 8270.1
file start time 2017-02-18 17:27:09.370
polynomial 16K21A
crc size 16
number of chars 7
block size 58
symbol perio= d 30.000
number of symbols 1248
list length 20000
start offset 2882.290
freq offset 0.000000
cores 2
skipped 2881.014117 seconds = to start
initial reference phase -54.6
---------------------------------------------
found 7Symbols= Message
list rank 0
reference phase    0    0    0    0
carrier RM= S 6.027e-005 noise RMS 5.405e-006
carrier S/N 20.95 dB in 26.7 uHz
carr= ier Es/N0 -10.02 dB
carrier Eb/N0 4.94 dB
info bit period 938.35 seconds
symbol error rate 427/1248 =3D 34.215 %
Es/N0 from symbol err= ors -10.8 dB
Eb/N0 from symbol errors 4.2 dB
Shannon capacity 16.4 bits/hour
Shannon efficiency 23.3 %
symbols file C:\Comms\EbNaut\19_FEB_0005_8270-symbols.csv
elapsed 8 seconds

73= Eddie G3ZJO

Virus-= free. www.avast.com
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