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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:HlCPajqeq0tJRboQllWikzScl/dXKlM+++gbCDiZVIsnV4iAg6h duaBAw9jvqvbWH2MVSoa2dxuk521exmr50PyCZH10ZpZNKQscHrHnJKARfLV/7OSZjdrqsJ uVtmbLs9I4kqvscD4UIbADNOyPNzbxF17gG5Y3Ef6foiOnixsGiNXEMPmupxf0z6ofPh2+P pSSQH6C5TG5idJA2XJYvA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:rhvlzzhoUrY=:dOWXumzJOAovtbXcAk3sJY deLyjIhdDepuQPyD+me17iBM4tD5+wvfNk9OoTtogM+d/Og2t10JpvvMIfyXE9s9+HGe70eXn qN9S67hfOrcGmGkUpL/fLXizEIlNFqN4KuqpXnx5lZYU8ubnknbf6+Qkz/hyGe59rqtID35N8 zAFYnrEUYihAzU4GAictFFTBuiQsMEUis6jYapb0115Q/EH725xt0OrdCXdtNqh9r1+r+Pjhj lb17/kq/6jT1QcTcharU1ocnwFOkE7DeXYba7KB/H6mLAp15rsQLxF+fG259Tn+yPPB1+7jja My1eQORLxaAzRdC8zo+GfDmBc65pBXkoEBE4S+wvgZtMfbLBqK0limOomvWj+CC+UNIk/eaDS SRFl+55lyTYEG2O0Hlkt5lds2OxQyC2zUlhN+GtUX659p+qff80i2Bfz1WyAWtIrP1w1JW3jG M8nKObmEp7fSRCoC97WkyMSdYGSe3+DUmburXUrl0dma1vMFJNSvyeY7WIzwmhcRHRIpRwLVB RiT07mUFwHT4XBe72wwufKixLktqkF/NHwQ9GQXN+NpF0VZAX+QvqbEj/Xy8oTyFRX1mSMn1a VBJykqwWMo4MXX0ZKIfpikH27fEUrdYFyxMlNzSAM6mC4RuvyulI+ZQzvr2DX5xI2SPEYTI+Z TcOxz1Y8bBI/uCV59bu+1VpNawYLiBdseXOxMuFfaN5bV5rwG2leZFVPDPVHGrJ0LvFGYb9I/ eH+n4mJVceRmuEkemk7nesSNNN5d13oNrVGUQpWieeVyyULNADpfOCWLju4= 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: The aim of the SlowJT9 project is to bring back the 2, 5, and 10 minute JT9 modes with the hope of facilitating more weak signal QSOs on MF and LF. We need to see if the slower modes are providing copy where the regular 1 minute JT9 mode does not. 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 [74.208.4.194 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [74.208.4.194 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-Scan-Signature: 7ab87d4d3ea1d9dcb73a78e83fe4d608 Subject: LF: New JT9 Experiment 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=3.0 required=5.0 tests=SUSPICIOUS_RECIPS 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 The aim of the SlowJT9 project is to bring back the 2, 5, and 10 minute JT9 modes with the hope of facilitating more weak signal QSOs on MF and LF. We need to see if the slower modes are providing copy where the regular 1 minute JT9 mode does not. I am now transmitting alternating JT9-1 and JT9-2 on LF at a frequency of 137.350 (1350 Hz audio with a USB dial frequency of 136.000). If some receiving stations will monitor both modes and send reception reports, we may begin to collect useful data. It is easy to receive both modes at the same time. Use any recent version of WSJT-X to receive JT9-1. Use SlowJT9 version 0.9.11 or later to receive JT9-2. Each morning, participating stations please send your complete list of decodes for both modes to me. The future of this experiment will depend on participation. I hope it will generate enough interest to collect meaningful data on the relative performance of JT9-1 and JT9-2 on LF. Later, when JT9-5 and JT9-10 are working I propose to extend this experiment to test those modes. I invite other transmitting stations to join me in these experiments. *** Note *** One limitation of this experiment is that it will only be possible to compare as follows: JT9-1 to JT9-2 JT9-1 to JT9-5 JT9-1 to JT9-10 I believe there is no easy way to receive any combination of JT9-2, JT9-5, and JT9-10 simultaneously (without going back to a format which I cannot beacon on multiple modes). Therefore it will not be possible to make direction comparisons between the slower modes as far as I know. I had thought about using WSPR as a standard reference for comparison to all JT9 submodes but this does not appear to be practical with present limitations on audio frequency for the 5 and 10 minute JT9 modes. It would require a wide spread in transmitting frequencies or multiple receivers at the monitoring stations. My antenna tuning is too sharp to allow transmitting on widely separated frequencies. Comments and suggestions on improving this test are welcome! Thank you and 73, Paul N1BUG