Return-Path: X-Spam-DCC: paranoid 1233; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t9AHtMeK028147 for ; Sat, 10 Oct 2015 19:55:22 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZkyJP-0008Hq-1L for rs_out_1@blacksheep.org; Sat, 10 Oct 2015 18:52:03 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZkyJO-0008Hh-IC for rsgb_lf_group@blacksheep.org; Sat, 10 Oct 2015 18:52:02 +0100 Received: from mout.kundenserver.de ([212.227.126.187]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from ) id 1ZkyIK-0004KI-Es for rsgb_lf_group@blacksheep.org; Sat, 10 Oct 2015 18:52:01 +0100 Received: from [192.168.2.100] ([217.82.27.198]) by mrelayeu.kundenserver.de (mreue002) with ESMTPSA (Nemesis) id 0MXR93-1a7lvJ0vZN-00WIRA for ; Sat, 10 Oct 2015 19:50:40 +0200 Message-ID: <56194FEE.4020309@df3lp.de> Date: Sat, 10 Oct 2015 19:50:38 +0200 From: pws User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Icedove/31.8.0 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5616A99E.509@gmx.com> <561706C2.8090600@posteo.de> <5617C4F3.9010701@df3lp.de> <56183044.5080306@posteo.de> In-Reply-To: <56183044.5080306@posteo.de> X-Provags-ID: V03:K0:BROop0Pc1EHF4wdETK3ZSbqIKMSC7kBKm/SVGHq9rAyPrfIGFvJ eZ6pWQNc2fRYhsfBzxhLnXNX/hkjgqd5Bt8P39wg0p7I+8j3JibXaPikOLPRmBp/Z2FR8Aq iU8cEeski7YczITOLTeYjcQtkOsnH77kcwCR05W71tGqtnd9IH1KKTWyKi1nkwCuod8Ag1N JUl18rT4YN5KoohF4uhUA== X-UI-Out-Filterresults: notjunk:1;V01:K0:C1uhJ5pzeNc=:Jo5319oVuoXJnwIPSLrMQX BZahDIiEAMBYUukJsLEmd9A+N/xXUuWE25pkxfjYLh0OOyhpku0TPaRWrwjzZS7V9htgYaDWv ckU+/3vRpQDHr0vx1lXcp2H2d3F77Pq8il2Opl7La2F9a1QrwBv5VlWQ25RwbZd4gjtzgpP7Y sSLLC1hHgQO8MNjF/YFv/VsxW+TO6pmXl+dkAKq1HM37IvDASxX/OahV2wbx7TVLePByuUtYA +Hn/wuRG9s5hiM92o3sXRUHykCgGzUDtmc+megsCYH9nRsN6kJx3M97zDHW9XDrviTu4Rw/D+ dpy8p7U6vfaECaMNZFKLy9om92n/SSWDmKrEi0jmgVxENrrj0gQc7xOqzibA0d1ARylS1kVdY gzycs4minYulquvC7zFQ5dpXruCX1OM8HnOxSI4F3fMRZtx5roe6P0M66iN5V7elNZ9sLnSKY fmUrQfkAc+Hqq7poguM3fRkhmDgfbIi/GroJdBi1y5gj5+s61UWjtSPvzxNxxmx4Ray9vds07 Qjg+526p+mK0FZrmFPY8zmiiWCBJ2vIHvfd4XWef1wnMFGBsf8HncY8v0XG1370gPN8/etIWk 9dtrZ0QhUqmH7cV4t/ofLMerBOa99sR5E7kopk4qpKI/sbtju+9TlN2dO3c5C7Jh9c0HMmEKg GMFTiqAi2GYEVF0CIOZEa5l7qLmUf7ZepjVRUrYEVo+gBXjbIzIC0zOJ+1bF370iuESkrmr9k lNxH159sIfQr1+v7 X-Scan-Signature: f62c7cf8eeb8e5a327b71719e9bffff1 Subject: Re: LF: QRSS/DFCW transmission with a Raspberry Pi Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit 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 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 4317 Hi Stefan, "PiCW" has 2 nice features: - frequency calibration against NTP - soft keying; may be helpful if QRO... On 09.10.2015 23:23, DK7FC wrote: > ... > This is not suitable for DFCW. Since it's open source and well commented, it should be possible to modify it for dual frequency morse. > Do you have some experience with the software? No. > Ist -w 0.0001 possible for > QRSS? I can imagine that -w 1 is the lowest speed! Can you? The speed chain is defined as "double" completely. See line 968: "const double dot_duration_sec=1.2/wpm;" So this should work. May be the soft keying constants need some fine tuning. Peter, df3lp