Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dc01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 24E03380000AC; Wed, 13 Mar 2013 13:19:34 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UFoom-0007Qz-1d for rs_out_1@blacksheep.org; Wed, 13 Mar 2013 16:46:20 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UFool-0007Qq-GE for rsgb_lf_group@blacksheep.org; Wed, 13 Mar 2013 16:46:19 +0000 Received: from smtpout2.wanadoo.co.uk ([80.12.242.42] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UFooj-0005fB-G8 for rsgb_lf_group@blacksheep.org; Wed, 13 Mar 2013 16:46:18 +0000 Received: from AGB ([2.26.16.8]) by mwinf5d21 with ME id B4lu1l0060ASFpN034luVz; Wed, 13 Mar 2013 17:45:56 +0100 Message-ID: From: "Graham" To: References: <513E5241.40807@psk31.plus.com> <513E6015.30901@psk31.plus.com> <514092DF.3030500@iup.uni-heidelberg.de> In-Reply-To: <514092DF.3030500@iup.uni-heidelberg.de> Date: Wed, 13 Mar 2013 16:45:53 -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-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. 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Content preview: Its all down to power S .. the bigger the signal (rx end) the faster you can go with the 'very' long qsb , the interleave (FEC) time has to be able to bridge the gap in the signal , so you will always have a long , start and finish time , for any robust mode [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.42 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 3d5b8cd6516ff44ac46de53952029be0 Subject: Re: LF: 630m Narrow Keyboard Mode Content-Type: multipart/alternative; boundary="----=_NextPart_000_0075_01CE200A.3A42EF30" 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_MESSAGE, MISSING_OUTLOOK_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 x-aol-global-disposition: G x-aol-sid: 3039ac1d40815140b5237729 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : temperror This is a multi-part message in MIME format. ------=_NextPart_000_0075_01CE200A.3A42EF30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Its all down to power S .. the bigger the signal (rx end) the = faster you can go=20 with the 'very' long qsb , the interleave (FEC) time has to be = able to bridge the gap in the signal , so you will always have = a long , start and finish time , for any robust mode=20 amtor-fec may offer a better link , but again , there is a lock = up time and s/n level is higher that the multi tone modes=20 unfortunately there is no way round the power/range /time aspect = G,,=20 From: Stefan Sch=E4fer=20 Sent: Wednesday, March 13, 2013 2:53 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: 630m Narrow Keyboard Mode Hi Eddie, LF/MF, I'm a bit confused in the last days by the number of various digimodes = which have been tested. Gary started with RTTY which is fun and allows = real QSOs on 630m, apart from CW. But if each mode is done as a short = test to check its performance, then it quickly becomes boring. What i = would like to have is a mode which is used by several active amateurs, a = real QSO mode like CW. A mode that lasts longer than a day. I thought = that AMTOR-FEC could be useful but i didn't make any tests yet. However = if i have to assume that there will be 2 or 3 interested QSO partners = who will be available for a short test QSO and then QSY to = GADFDSMSFASKMDKFK-4 or whatever, then none of these modes are actually = interesting for me and i come back to CW where i can be sure to find a = QSO partner without announcing my activity before. Today, tomorrow, next = week and next year :-) What do you suggest? :-) 73, Stefan/DK7FC PS: And where is Mal? :-) Am 11.03.2013 23:52, schrieb g3zjo:=20 Sucess. Just a little more signal and this would have been a really good QSO = over our path of 127Km conditions are not good tonight, my antenna = current is down. Eddie On 11/03/2013 21:53, g3zjo wrote:=20 LF Searching for a Narrow Keyboard QSO mode suitable for QRP on 630m. I = went back to a program I used several years ago. Currently Testing GMFSK not to be confused with gMFSK which is a = Linux program. GMFSK is an FSK Mode using Varicode by JE3HHT Makoto Mori included = in MMVari.not new program it is of the usual high standard found in his = software. GMFSK has variable width, currently I am running at 15.625Hz wide. = 474.200 Dial 1900 tone frequency. JE3HHT provides fine documentation with his software, for some = reason all the other modes covered by MMVari are well covered but when = he gets to GMFSK he says that it is beyond the scope of the = instructions. I have yet to find more details about the mode.=20 This Mode should be better than RTTY and faster MFSK for higher = power stations too. 73 Eddie G3ZJO ------=_NextPart_000_0075_01CE200A.3A42EF30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Its all  down to  power S ..  the  bigger = the =20 signal  (rx end) the  faster  you  can go
 
with the  'very' long   qsb  , the =20 interleave   (FEC)  time  has to  be  able = to  bridge  the  gap  in the  signal , so  = you  will  always  have a  long  , start =20 and  finish time , for  any  robust  mode
 
amtor-fec may  offer  a  better  link , = but =20 again  , there  is a lock up time  and  s/n  = level=20 is  higher that  the multi  tone modes
 
unfortunately  there  = is  no =20 way   round the  power/range /time  aspect=20
 
G,, 
 

From: Stefan = Sch=E4fer
Sent: Wednesday, March 13, 2013 2:53 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: 630m Narrow Keyboard Mode

Hi Eddie, LF/MF,

I'm a bit confused in the last = days by=20 the number of various digimodes which have been tested. Gary started = with RTTY=20 which is fun and allows real QSOs on 630m, apart from CW. But if each = mode is=20 done as a short test to check its performance, then it quickly becomes = boring.=20 What i would like to have is a mode which is used by several active = amateurs, a=20 real QSO mode like CW. A mode that lasts longer than a day. I thought = that=20 AMTOR-FEC could be useful but i didn't make any tests yet. However if i = have to=20 assume that there will be 2 or 3 interested QSO partners who will be = available=20 for a short test QSO and then QSY to GADFDSMSFASKMDKFK-4 or whatever, = then none=20 of these modes are actually interesting for me and i come back to CW = where i can=20 be sure to find a QSO partner without announcing my activity before. = Today,=20 tomorrow, next week and next year :-)

What do you suggest? = :-)

73,=20 Stefan/DK7FC

PS: And where is Mal? :-)


Am 11.03.2013 = 23:52,=20 schrieb g3zjo:=20
Sucess.

Just a little more signal and this would = have been=20 a really good QSO over our path of 127Km conditions are not good = tonight, my=20 antenna current is down.

Eddie

On 11/03/2013 21:53, = g3zjo wrote:=20
LF

Searching for a Narrow = Keyboard QSO=20 mode suitable for QRP on 630m. I went back to a program I used = several years=20 ago.

Currently Testing GMFSK not to be confused with gMFSK = which is a=20 Linux program.

GMFSK is an FSK Mode using Varicode by JE3HHT = Makoto=20 Mori included in MMVari.not new program it is of the usual high = standard=20 found in his software.

GMFSK has variable width, currently I = am=20 running at 15.625Hz wide. 474.200 Dial 1900 tone = frequency.

JE3HHT=20 provides fine documentation with his software, for some reason all = the other=20 modes covered by MMVari are well covered but when he=20 gets to GMFSK he says that it is beyond = the scope=20 of the instructions. I have yet to find more details about the mode. =

This Mode = should be=20 better than RTTY and faster MFSK for higher power stations=20 too.

73 Eddie=20 G3ZJO


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