Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-me03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 983B2380000BC; Thu, 3 Jan 2013 05:24:36 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TqhTK-000881-3K for rs_out_1@blacksheep.org; Thu, 03 Jan 2013 09:52:22 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TqhTJ-00087s-CQ for rsgb_lf_group@blacksheep.org; Thu, 03 Jan 2013 09:52:21 +0000 Received: from nm3-vm0.bt.bullet.mail.ukl.yahoo.com ([217.146.182.230]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1TqhTG-0002FT-UY for rsgb_lf_group@blacksheep.org; Thu, 03 Jan 2013 09:52:20 +0000 Received: from [217.146.183.197] by nm3.bt.bullet.mail.ukl.yahoo.com with NNFMP; 03 Jan 2013 09:51:58 -0000 Received: from [77.238.189.18] by tm3.bt.bullet.mail.ukl.yahoo.com with NNFMP; 03 Jan 2013 09:51:58 -0000 Received: from [127.0.0.1] by smtp818.mail.ird.yahoo.com with NNFMP; 03 Jan 2013 09:51:58 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1357206718; bh=OC0k3pew8YpGyq9qVa1VxwAw4rdytGkDUQLmWk2Vfdk=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE; b=Angju+oGuZBh0ZZkqz83yzq138WyOSsK5GYKB5suxY/aksRx4VD2kL9LyV21fINpVZ/U6M3vKkTU7Hf8sF39iUaIkmMdq+r83yxuGsQbMQaUhxw2OzlNOE3Q9vjr+87peGiyPMoPNPk+1qiMr196J2YHDRo81SfKk7baRpu/9Gw= X-Yahoo-Newman-Id: 168057.42733.bm@smtp818.mail.ird.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: GAImhXUVM1levKfoE9rmEqwDMOmi22cIxhFtQaQXzoIs65n _U8nwukLXdHkcuOMQPmcmHPlEL8xF.OoHP2ZKTT.fKwxz5qTlqLxI096OPQC UAHW87xpglUBTvVLCaIxwRQUiqpSHETlg8PDfjcNsbqFnqkah_QSLK4ee0sD MCm.9id2aSROjWqkcvHHw_vFJZP2GKydzMRm5KVhGqAp1FAf.FEkc4qEqq3C JsrzUdoso_AEXaDVkh01JqfVb7dMeaAQe4Jv7giP_tGA5F87SmEs0Upg1ZEh uvAtfCaT44kNlxzOheY.QGPVQ3GhqrA7JBCHzh2SxRHUIGrPvIernSfFcsW1 KK39mQkO9e8Jdu53OGXS1ZNqpJhtYLEDZ4rhP8NZRm7PtymC8PFNaH0aPxTq oAUiFQFc1AkTUqeaDwwBi_i.mNI16ptWNUX9XxUr.OPuP9JHYvQyFKjJeDCE yVdUD_7QiOwvJS5fTfc2FZ74llqKs3qOzHbXrzNdU9hMaB1.gMnijy2fcttR elJVw2Q-- X-Yahoo-SMTP: .u8e2g.swBByWKjbpA3lR6Fw.2ZEQrJJpVsTSrpXLCffsPaCEMY- Received: from IBM7FFA209F07C (c.ashby435@109.150.252.135 with login) by smtp818.mail.ird.yahoo.com with SMTP; 03 Jan 2013 09:51:57 +0000 UTC Message-ID: <1C240FF5B57D4EB79C097AC3FE106EFA@IBM7FFA209F07C> From: "Chris" To: References: <0A4D88A68FCB4F22A2BC40825788A6AA@AGB> <1357150913.48886.YahooMailNeo@web133204.mail.ir2.yahoo.com> <63C5AFAA6F8C41A7936F2069D38FAC01@AGB> <81FED2F455C94E45B3BE41353A6D53BC@W1KW> <52B2628757094925BA8206A2C0D9640B@AGB> <1357173044.69099.YahooMailNeo@web133203.mail.ir2.yahoo.com> <48BBF8CC892E4164B0E96E856BB44972@gnat> <871180718.807959.1357202851097.JavaMail.open-xchange@email.1und1.de> Date: Thu, 3 Jan 2013 09:52:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 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. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Geri, Thanks for that idea/information. I guess there are possibilities with this method for narrow AM as well. Definitely worth looking into. Vy 73, Chris, G4AYT. ----- Original Message ----- From: geri@dk8kw.de To: rsgb_lf_group@blacksheep.org Sent: Thursday, January 03, 2013 8:47 AM Subject: LF: SSB - why not go digital? Have a look at FDMNV [...] 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 [217.146.182.230 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-Scan-Signature: 8d5e679c4ecb21aeba32cebcefaae7cb Subject: LF: Re: SSB - why not go digital? Have a look at FDMNV Content-Type: multipart/alternative; boundary="----=_NextPart_000_0029_01CDE997.F9ADE8B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.5 required=5.0 tests=FORGED_MUA_OUTLOOK, FROM_ENDS_IN_NUMS,HTML_MESSAGE 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-SCOLL-AUTHENTICATION: mtain-me03.r1000.mx.aol.com ; domain : btinternet.com DKIM : fail x-aol-sid: 3039ac1d608b50e55c645c08 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0029_01CDE997.F9ADE8B0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Geri, Thanks for that idea/information. I guess there are possibilities with = this method for narrow AM as well. Definitely worth looking into. Vy 73, Chris, G4AYT. ----- Original Message -----=20 From: geri@dk8kw.de=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, January 03, 2013 8:47 AM Subject: LF: SSB - why not go digital? Have a look at FDMNV Hi,=20 =20 I just did some research and obviously there are people who already = have thought about low bandwidth voice communications. There is a mode = called FDMNV, based on a common CODEC that transmits voice in a 1100 Hz = bandwidt (see http://n1su.com/fdmdv/).=20 =20 In the describtion of the software it says "it caters to high quality = digital voice under poor band conditions, in only 1100Hz bandwidth" = which probably is the kind of features we are looking for. The software = is open source and surely worth to have acloser look at. =20 =20 Also, i am sure we (in Germany) can negotiate with our authorities to = get an extension of our 800 Hz bandwidth limitation at least under = certain conditions. For everyone without limitation this seems to be the = software to just go ahead and try it!=20 =20 =20 Best 73=20 =20 Geri, DK8KW=20 =20 =20 > > ----- Original Message -----=20 > > From: M0FMT=20 > > To: rsgb_lf_group@blacksheep.org=20 > > Sent: Thursday, January 03, 2013 12:30 AM=20 > > Subject: Re: LF: 477 A local SSB chat band ?=20 > >=20 > >=20 > > Hi Graham Geri and all=20 > >=20 > > Warren has seen SSB first hand on the MF QRG and we have this side = also.There was an SM station (call sign forgotten?) in the early days of = 500 that added an SSB anouncement on his beacon and it worked well.=20 > >=20 > > To my spec. :- "One SSB channel at the high edge of the band only = used during daylight hours no DXing!" add " Use VOX, no monologuing = allowed" to be a laissez faire operation no band plan, but fair play!.73 = es GL es HNY Pete M0FMT IO91UX=20 > >=20 > > From: Graham =20 > > To: rsgb_lf_group@blacksheep.org=20 > > Sent: Wednesday, 2 January 2013, 20:48=20 > > Subject: Re: LF: 477 A local SSB chat band ?=20 > >=20 > >=20 > >=20 > > Geri=20 > >=20 > > 800 Hz B/W ... May be this is something 'Wolf' can code for you ? = a b/w compression / expansion module in SL , to limit the tx b/w to 800 = Hz must be possible to divide by 3 and mult by 3 with a linear shift as = well ?=20 > >=20 > > G..=20 > >=20 > >=20 > > From: Holger 'Geri', DK8KW - DI2BO - W1KW=20 > > Sent: Wednesday, January 02, 2013 8:36 PM=20 > > To: rsgb_lf_group@blacksheep.org=20 > > Subject: Re: LF: 477 A local SSB chat band ?=20 > >=20 > >=20 > > Hi,=20 > >=20 > > I kind of like the idea of an SSB channel. I just pulled out the = conditions of my first secial license for 160m from 1973 or 1974. That = said 1815 to 1835 kHz with 10 Watts in CW, additionally one SSB channel = for 1832 to 1835 kHz, so why not trying this on 630m, too? Here in = Germany we are currently limited to 800 Hz bandwidt but I am sure we can = sork towards a special license under certain conditions such as daylight = operation only .. sounds good to me!=20 > >=20 > > Vy 73=20 > >=20 > > Geri, DK8KW=20 > > ------=_NextPart_000_0029_01CDE997.F9ADE8B0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Hi Geri,
Thanks for that idea/information. I = guess there are=20 possibilities with this method for narrow AM as well. Definitely worth = looking=20 into.
Vy 73, Chris, G4AYT.
----- Original Message -----
From:=20 geri@dk8kw.de
Sent: Thursday, January 03, = 2013 8:47=20 AM
Subject: LF: SSB - why not go = digital?=20 Have a look at FDMNV

Hi,
I just did some research and obviously there are people who = already have=20 thought about low bandwidth voice communications. There is a mode = called=20 FDMNV, based on a common CODEC that transmits voice in a 1100 Hz = bandwidt (see=20 http://n1su.com/fdmdv/).
In the describtion of the software it says "it caters to high = quality=20 digital voice under poor band conditions, in only 1100Hz=20 bandwidth" which probably is the kind of features we are = looking for.=20 The software is open source and surely worth to have acloser look = at. 
Also, i am sure we (in Germany) can negotiate with our = authorities to get=20 an extension of our 800 Hz bandwidth limitation at least under certain = conditions. For everyone without limitation this seems to be the = software to=20 just go ahead and try it!
Best 73
Geri, DK8KW
> > ----- Original Message -----
> > From: M0FMT =
>=20 > To: rsgb_lf_group@blacksheep.org
> > Sent: Thursday, = January=20 03, 2013 12:30 AM
> > Subject: Re: LF: 477 A local SSB chat = band ?=20
> >
> >
> > Hi Graham Geri and all =
> >=20
> > Warren has seen SSB first hand on the MF QRG and we have = this=20 side also.There was an SM station (call sign forgotten?) in the early = days of=20 500 that added an SSB anouncement on his beacon and it worked well. =
>=20 >
> > To my spec. :- "One SSB channel at the high edge of = the=20 band only used during daylight hours no DXing!" add " Use VOX, no = monologuing=20 allowed" to be a laissez faire operation no band plan, but fair = play!.73 es GL=20 es HNY Pete M0FMT IO91UX
> >
> > From: Graham=20 <g8fzk@g8fzk.fsnet.co.uk>
> > To: = rsgb_lf_group@blacksheep.org=20
> > Sent: Wednesday, 2 January 2013, 20:48
> > = Subject:=20 Re: LF: 477 A local SSB chat band ?
> >
> > =
> >=20
> > Geri
> >
> > 800 Hz B/W ... May be = this is=20 something 'Wolf' can code for you ? a b/w compression / expansion = module in SL=20 , to limit the tx b/w to 800 Hz must be possible to divide by 3 and = mult by 3=20 with a linear shift as well ?
> >
> > G..
> = >=20
> >
> > From: Holger 'Geri', DK8KW - DI2BO - W1KW =
>=20 > Sent: Wednesday, January 02, 2013 8:36 PM
> > To:=20 rsgb_lf_group@blacksheep.org
> > Subject: Re: LF: 477 A = local SSB=20 chat band ?
> >
> >
> > Hi,
> = >=20
> > I kind of like the idea of an SSB channel. I just pulled = out the=20 conditions of my first secial license for 160m from 1973 or 1974. That = said=20 1815 to 1835 kHz with 10 Watts in CW, additionally one SSB channel for = 1832 to=20 1835 kHz, so why not trying this on 630m, too? Here in Germany we are=20 currently limited to 800 Hz bandwidt but I am sure we can sork towards = a=20 special license under certain conditions such as daylight operation = only ..=20 sounds good to me!
> >
> > Vy 73
> > =
>=20 > Geri, DK8KW
> >
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