Return-Path: Received: from rly-dd03.mx.aol.com (rly-dd03.mail.aol.com [172.19.141.150]) by air-dd07.mail.aol.com (v121.4) with ESMTP id MAILINDD073-b6747e575b23ba; Sat, 22 Mar 2008 17:10:33 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd03.mx.aol.com (v121.4) with ESMTP id MAILRELAYINDD031-b6747e575b23ba; Sat, 22 Mar 2008 17:10:11 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1JdAya-0006xi-8k for rs_out_1@blacksheep.org; Sat, 22 Mar 2008 21:10:04 +0000 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1JdAyZ-0006xY-IN for rsgb_lf_group@blacksheep.org; Sat, 22 Mar 2008 21:10:03 +0000 Received: from smtp5.freeserve.com ([193.252.22.128]) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1JdAyW-00027Y-F0 for rsgb_lf_group@blacksheep.org; Sat, 22 Mar 2008 21:10:03 +0000 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3407.me.freeserve.com (SMTP Server) with ESMTP id F3FC21C00084 for ; Sat, 22 Mar 2008 22:09:54 +0100 (CET) Received: from AGB (unknown [91.109.47.239]) by mwinf3407.me.freeserve.com (SMTP Server) with SMTP id 785711C00083 for ; Sat, 22 Mar 2008 22:09:49 +0100 (CET) X-ME-UUID: 20080322210950493.785711C00083@mwinf3407.me.freeserve.com Message-ID: <014401c88c61$124d6ec0$0d00000a@AGB> From: "Graham" To: References: <000f01c88a93$d7067790$0d00000a@AGB> <001c01c88b58$657d1be0$0d00000a@AGB> <001101c88b6d$40ae25b0$0d00000a@AGB> <008601c88c34$1c6d43d0$0d00000a@AGB> <000d01c88c35$f0efecb0$6401a8c0@wgt01> <009e01c88c3b$6436ef20$0d00000a@AGB> <00c401c88c4d$54318100$0d00000a@AGB> <00e801c88c52$e2f1bf40$0d00000a@AGB> Date: Sat, 22 Mar 2008 21:09:32 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=disabled,AWL=0.084 Subject: Re: LF: Re: Re: WSPR == ON AIR TEST NOW 1545 HRS = 503 KHz Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit 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 X-AOL-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : n Ok Andy, Well its decoding off air ok at my qth , keying looks ok offair and at birmingham , im running 10 watts per tone (20 watts peak during dual tx) I have just made a qsy inside the passband , to set the jt65 above the wspr signal , jt65 now using sync tone 1700 Hz dial freq still 501.5 usb Im not sure if wspr and wsjt6 will run at the same time , but I can try over the wekend if needs be , ive just downloded the windows version of wspr .. but not sorted out the soundcard yet as he's using , 0123 ... very trad hihi Tnx - G .. ----- Original Message ----- From: "Andy Talbot" To: Sent: Saturday, March 22, 2008 8:28 PM Subject: Re: LF: Re: Re: WSPR == ON AIR TEST NOW 1545 HRS = 503 KHz > Very Interesting. In the WSJT user screen there are several sucessive > -19dB S/N individual listings and, out of 70 sequences, it has > selected 22 of them as being valid, but not one single correct decode. > Experience on JT65B receiving the GB3RAL and GB3VHF beacons shows > that -19dB S/N will give perfect copy, and -22dB will decode after two > or three averaging sessions, so there's something very odd going on. > What I can make out on the spectrogram, the sync tone is in > more-or-less the righ place. > > Your WSPR signal is just 3 Hz low, and the JT65A sync tone about 15Hz > lower that stated, which is more than near enough for a valid decode - > and the user screen shows its doing just as it should - with some > strong enough individual demods BUT NO DECODES - why???????????????. > > Do I understand you are not using the actual WSJT software to encode > the data? Are you actually sure the MultiPSK implementation is doing > its job properly. > Try WSJT 5.98 > > Andy G4JNT > > > On 22/03/2008, Graham wrote: >> Ok Andy, >> >> Looks like making headway .... >> >> I'm using multipsk (the test version) which has jt65-modes .. and for >> want >> of a better way of describing the frequency ..sorry if it sounds a 'cb' >> like ... but .. ' The purple line' is set at the 1000 Hz mark on the >> waterfall display giving 1002 hz showing on the l/h fequency window >> ...as >> you say is 270 hz (ish) from the normal point ... but if you set the >> prog >> to that point , means you can engauge the narrow filter >> >> WSPR is running at 1500 Hz tone o/p giving 503.00 khz rf carrier >> frequency >> >> I though jt65 would of out performed wspr ...be intresting to see the >> parallel decodes >> >> Tnx - G .. >> >> >> >> >> ----- Original Message ----- >> From: "Andy Talbot" >> To: >> Sent: Saturday, March 22, 2008 7:03 PM >> Subject: Re: LF: Re: Re: WSPR == ON AIR TEST NOW 1545 HRS = 503 KHz >> >> >> > Hi Graham >> > Yes, I've got the right sequence time and am running WSPR and WSJT >> > 5.98 in parallel. Surprising the WSJT averaging won't extract a valid >> > decode. Some of the sessions are being tagged as having the sync >> > detected, with a resulting 2.5kHz S/N in the --25dB ballpark, but they >> > don't want to seem to be pulled together by the averaging. The DF >> > figure is coming up as -285Hz, suggesting you're 15Hz lower than >> > advertised (should be -270Hz) >> > >> > Do have very bad QRM here. I've just gone over to th the old 137kHz >> > antenna minus its loading coil rather than the HF vertical that was >> > the existing 500kHz Rx. The LF Tee is further from the house and >> > there is about 10dB less localised E field noise. Its a pity about >> > the deliberate jamming taking place just above the upper tone >> > frequency. I'm not sure how well JT65 can cope with that. >> > >> > Update on the WSPR decodes below - it really does seem a very good >> > weak signal mode. I'm just about to write June's Data Column for >> > radcom. I'll give WSPR a section having now played with it for a >> > while in real hard off-air conditions >> > >> > Andy G4JNT >> > >> > c:\WSPR>wspr Rx 0 >> > 1750 8 -17 -0.1 0.001487 G0NBD IO83 37 28.3 >> > 1752 6 -18 0.1 0.001487 G0NBD IO83 37 28.3 >> > 1754 5 -20 0.0 0.001487 G0NBD IO83 37 28.2 >> > 1756 3 -20 0.1 0.001487 G0NBD IO83 37 28.4 >> > 1758 8 -18 0.1 0.001487 G0NBD IO83 37 28.9 >> > 1800 8 -14 -0.3 0.001487 G0NBD IO83 37 30.1 >> > 1802 1 -24 0.0 0.001487 28.7 >> > 1804 4 -20 -0.2 0.001487 27.5 >> > 1814 3 -22 -0.2 0.001487 28.1 >> > 1816 1 -23 -0.6 0.001487 27.9 >> > 1818 4 -24 0.0 0.001487 27.8 >> > 1820 7 -19 -0.4 0.001487 G0NBD IO83 37 27.4 >> > 1822 3 -24 -0.1 0.001487 27.6 >> > 1828 2 -24 -0.3 0.001487 20.1 >> > 1830 5 -23 -0.2 0.001487 G0NBD IO83 37 27.2 >> > 1832 4 -20 -0.1 0.001487 G0NBD IO83 37 24.6 >> > 1834 4 -24 -0.3 0.001487 G0NBD IO83 37 21.9 >> > 1836 5 -23 -0.2 0.001487 G0NBD IO83 37 22.8 >> > 1842 2 -24 -0.3 0.001487 G0NBD IO83 37 23.2 >> > 1844 1 -26 -0.3 0.001487 22.3 >> > 1848 7 -19 -0.2 0.001487 G0NBD IO83 37 21.9 >> > 1850 2 -24 0.0 0.001487 24.0 >> > 1852 7 -19 -0.1 0.001487 G0NBD IO83 37 27.3 >> > 1854 5 -19 -0.1 0.001487 G0NBD IO83 37 23.5 >> > 1856 3 -19 -0.1 0.001487 G0NBD IO83 37 24.9 >> > >> > >> > >> > >> > >> > >> > On 22/03/2008, Graham wrote: >> >> Ok Andy, >> >> >> >> Thanks for taking a look , the jt65 been running for a while now , did >> >> you >> >> have >> >> the 2 systems on when you decoded the wspr signals ? >> >> >> >> jt56 is sending at even mins , check the birmingham grabber , should >> >> show >> >> the 2 tone sets >> >> >> >> Tnx >> >> >> >> Graham , >> >> >> >> >> >> >> >> >> >> ----- Original Message ----- >> >> From: "Andy Talbot" >> >> To: >> >> Sent: Saturday, March 22, 2008 6:17 PM >> >> Subject: Re: LF: Re: Re: WSPR == ON AIR TEST NOW 1545 HRS = 503 KHz >> >> >> >> >> > >> > >> > >> > >> > -- >> > No virus found in this incoming message. >> > Checked by AVG. >> > Version: 7.5.519 / Virus Database: 269.21.8/1338 - Release Date: >> > 3/21/2008 >> > 17:52 >> > >> >> >> >> > > > -- > Andy G4JNT > www.scrbg.org/g4jnt > > > > > -- > No virus found in this incoming message. > Checked by AVG. > Version: 7.5.519 / Virus Database: 269.21.8/1338 - Release Date: 3/21/2008 > 17:52 > >