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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1536157866579.38003@kuleuven.be> Content-Language: en-US X-Provags-ID: V03:K1:wrjLLITTTA0QDL6VsC/CUJANLVuhBIB37bNP6FwT0WWqtVzSSdY 05+sh7/3UD8+8Rq14kus8i3/6nHCO6Df56+eORnCiJmd4Nwc/DVOHwu9qpbvnorTiIYk8Pj ZYdAk9YcMFgaAEUGikuEr96xxXfro1adpCa75yN+ptTUSb5bZb0GOQ86zFnhBxL1IIt2GxG 27V20SgQtnLTBUe2ru5Yw== X-UI-Out-Filterresults: notjunk:1;V01:K0:a4+I5pmyvs8=:mHr7nUN5Xbu1HUMEkwwWze JClcIwHWLDCyqyV5evibgPh9NH5ZNhItMZyaC+Cwg9ih2LbtLJVyu3qKkNjHOz9rQLDJ8Bocu cJEHfXHEO+J9T/PL2tO/nTMDImileT4v+bGkxZiuNqws0DOzIYOKBb2tOj+qQHCEh3hgMqX+p zEopPbmIzcxHYA8Mq0HBjSRyPWyF+X6YpGgzV5K8R5bTCbG9vcPBjcCPdmi+ThEDmfMLpgn8s JTlOIlevI8QK4rOfcaZTdlSqVbxR6HAzImceIpssciyY7wxBs0YmToqYjhQ8CZHz18S1r0U8j U5yAS+YQJDpHxD/c6G6Eh7pxwdmEW48aZ2bqJS8cebxj1s+jmhHd/Fy99RQxBfM4d9yS2St1W nCwQ/Cv/6BjBd+UALrpI6kox60YV2eErSUOCr1yMgKWFccsEZ18TBmvY3cZz8X+PM6nadJD+b 4rqrbbMnWWIEuBgGJcssacoo0ZRSHEfx1RqUS+VRbHe0N+PHEBTBdXwTghgUVUqbqlwrVlUdT RZLeTFEqyQvXfJfDaBtvf8SbUJppiUVR56blC84ZN4u4IGu1T+NSNnMsSb5d+LeWACbCWLl/h ud+wdaSjliY+ewNewJXtIIcoqX2zcMT1XJzQRPr9R6IqHQfvufidDGMrQ9vF/HAo6gWW0uIZU sVFF35l2SfjUTLLrky9VeuCs8MGxpbHKCyDpSe0/5m47pEROb/EchYQo2A5pD2TBIdTT3ZbTq vjFf81+XkIrPLFTN 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: On 09/05/2018 10:31 AM, Rik Strobbe wrote: > Another alternative would be to revive the longer JT9 modes > (JT9-2 or even JT9-5). JT9-2 would allow a QSO in +/- 10 minutes, > about 3dB advantage over JT9-1. To get the same I would need to > pump up the power from 350 to 700W or increase the antenna height > from 14m to 20m. JT9-5 will even be about 7dB better compared to > JT9-1, but there might be issues with doppler effect and/or > multipath propagation. Does anyone have a WSJT-X version that > supports these modes? Or even better: could we convnice the WSJT > team to include at least JT9-2 in the newest version of WSJT-X? [...] 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: 4b5b5ebe37a4c4f430f59bc35c1947b0 Subject: LF: Slow JT9 modes... 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 On 09/05/2018 10:31 AM, Rik Strobbe wrote: > Another alternative would be to revive the longer JT9 modes > (JT9-2 or even JT9-5). JT9-2 would allow a QSO in +/- 10 minutes, > about 3dB advantage over JT9-1. To get the same I would need to > pump up the power from 350 to 700W or increase the antenna height > from 14m to 20m. JT9-5 will even be about 7dB better compared to > JT9-1, but there might be issues with doppler effect and/or > multipath propagation. Does anyone have a WSJT-X version that > supports these modes? Or even better: could we convnice the WSJT > team to include at least JT9-2 in the newest version of WSJT-X? Hello Rik and all LFers, I wish we could convince the developers to bring back JT9-2, JT9-5 and JT9-10 at least! I would even like to see JT9-30 supported. I believe these slow modes would allow for many more 137 kHz QSOs over long distances. At least some of these sub-modes should be useful on 475 kHz also. Unfortunately it seems these and WSPR15 have been completely abandoned. Maybe if enough people would ask the developers? It's worth a try, but I doubt it. They are too busy with 'mainstream' modes for HF use now to care about LF and MF. I have been trying for almost a year to get WSJT-X 0.95 to run under Windows 10 but it keeps crashing. Unfortunately I do not have a PC with an older version of Windows I can try. I do not know if Windows 10 is the problem or whether 0.95 was simply never stable. I also don't know if the 0.95 I have is an 'official' release or something modified from source by a third party. It has *only* the JT9 modes, which makes me wonder. I cannot find any solid information about this old version, nor can I find any other old versions which have the slow JT9 modes. Even if I could get 0.95 to stay running, QSO partners would be limited. I know that others have tried and failed with this version. As I see it we are in bad shape for long distance QSO modes on LF. EbNaut may eventually prove to be a solution for those who can afford stations capable of handling it... but not much help for the rest of us. I guess we are stuck with DFCW. Old school still works but I would like some other alternatives. 73, Paul N1BUG