Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id wAEBptWZ008864 for ; Wed, 14 Nov 2018 12:52:03 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1gMteK-0001Un-O9 for rs_out_1@blacksheep.org; Wed, 14 Nov 2018 11:48:00 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1gMteJ-0001Ue-8m for rsgb_lf_group@blacksheep.org; Wed, 14 Nov 2018 11:47:59 +0000 Received: from mout.perfora.net ([74.208.4.196]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1gMteG-00050B-S1 for rsgb_lf_group@blacksheep.org; Wed, 14 Nov 2018 11:47:58 +0000 Received: from [192.168.1.127] ([72.224.159.95]) by mrelay.perfora.net (mreueus002 [74.208.5.2]) with ESMTPA (Nemesis) id 0LzZcy-1fSVR136Wo-014heo; Wed, 14 Nov 2018 12:47:49 +0100 To: "rsgb_lf_group@blacksheep.org" , "Discussion of the Lowfer (US, European, & UK) and MedFer bands" From: N1BUG Openpgp: preference=signencrypt Autocrypt: addr=paul@n1bug.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 Content-Language: en-US X-Provags-ID: V03:K1:SbIze1gsmAikAY9XhIWXgOPcNfDyMljzhGJP/ijhefGCwjtW2hl yyOHl8lyYTLkkDmTCj++HME+vgpJ8q38I7UlUuWjXUUTHDHH0YiII8vuNVPw3+6d7tjRDs8 +UfLUoVfD9FxGG+Xm++oto25d36jyk8UVETCE48rmHyhlyZtDznEjc+fpX0L7Qoz7IUeeiX yVojZZOxcgDC4Jve4svXQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V01:K0:u7Q2MwkFOCc=:TlPT6ogO1kPt+q73XjoC70 7dYYqgSqQO0wPPlm/UDbAYipaxO770XFWM3YJ0rS3Y6KROLigdlPpfu74sO+k+47fndQ3bqjB MTAqqx+Fe2hynvgIZNnk/HLj+z6zmfuR0v3+aHecR7rs4ZH41M17pne0vgHenWPkfclRBbtZx chBhpnuMRY+UwUNkkK6g1BbwBuwWQ84v42dAbMLtgng5i/i25dafdB7baV9Kds46RH+RWFWd8 1NvZYjGhT1zozyo/kuPuRLzr14/4phiUr4hyUFzXePGeEew+AcqnKJW1LWWciM/7BhrwwN/Ka +NM5YkLC82ACkLgODOaJZY8LM61soaVb5kmjV6fPeyptg4RcozwFuiviJdBCK2E9nSLlcadDf 5Q9Ey0r8Zj36ZHmEXUtVa+BBzBdZb2RpOzWJRWe9QjjRk6UmDSTMWR14LIrz2xEMMKNEVYSyY j8ENY5vZNjgcrN7zoj2sjezDaVSuAF5hewK7GpOgVGV/Bj4mnlNoAXR69ouXCZZZvEheNmeVv 2O3TmagYJBlN4lDHMc0bUed0h/3WK4QgWaygZidHXxHj0druPR1b4LRFwmQ05zD2hPFf6hZD2 9CvTMGfzLkRUkvi4EkzHj0MQxSe2buXXN5kp8hcDpDXbb5KTUCMyGnap7oAvc89n2M9NR3KNm c8Sh0BlgfSfaPI16UqqQb0dtZZ0y0MhapRR+UTPu4/8QlNgaNW87BlbCe/1ZW5mwVxbsBmTS9 hnb+Ht2akN+j4mY8VS2hr29TeYzLnWbXL60d5fPtotdTbMMDZ2genmFzbu7n7WIRm9qqcwTQL aDjaqUWKS1d5vTRAbIHu8L1+4aovw== X-Spam-Score: -0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: I am looking for a better method to transmit DFCW for 2200 meter QSOs. For my QSO with 2E0ILY I used a QRP Labs U3S for the transmitter. This worked very well for DFCW60 when I was transmitting every [...] 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 [74.208.4.196 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-Scan-Signature: 2e2f7cbbe9f38dd7bf3fac4fc012e6fc Subject: LF: Methods to transmit DFCW Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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 I am looking for a better method to transmit DFCW for 2200 meter QSOs. For my QSO with 2E0ILY I used a QRP Labs U3S for the transmitter. This worked very well for DFCW60 when I was transmitting every other night. For any QSO attempts involving quick change from RX to TX it would be difficult because of the time required to program a new message! One possibility would be to modify this method used by N1VF for JT9 QSOs with a U3S: https://bgelb.github.io/u3s-qso.html I am a little concerned about messing up my trusty U3S but I may try that. It looks like the easy way is the old QRS software by ON7YD. This is very interesting but I don't have a suitable transmitter. Are there any published designs for DFCW transmitters which could be controlled in this way? I wonder if parts would still be available? I am guessing these used synthesizers which are not current generation any more. :-) Any other suggestions? 73, Paul N1BUG