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Content preview: Could be,but no, just another band to play during daytime, 73 Victor [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [194.134.42.54 listed in list.dnswl.org] -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 2ee80849a5d572dbc974bb207a527753 Subject: RE: LF: RE: Re: Testing WSPR-15 on 630m Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.2 required=5.0 tests=FROM_ENDS_IN_NUMS, MAILTO_TO_SPAM_ADDR,NO_REAL_NAME 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-global-disposition: G x-aol-sid: 3039ac1d7b895112989d45d0 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Could be,but no, just another band to play during daytime, 73 Victor -----Oorspronkelijk bericht----- Van: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]Namens Stefan Sch=C3=A4fer Verzonden: woensdag 6 februari 2013 17:51 Aan: rsgb_lf_group@blacksheep.org Onderwerp: Re: LF: RE: Re: Testing WSPR-15 on 630m Hi Victor, That's not ugly at all :-) Looks like a lot of effort! 70 MHz, is that=20 the LO for a MF mixer? 73, Stefan Am 05.02.2013 16:57, schrieb victor13@online.nl: > Hello Stefan, > > picture of a ugly 70MHz treansverter,lots of glue and solder but it = works very well. > Spurious sgnals more than 100 dB down,except harmonics,just 70db down. > > 73 > > Victor > > -----Oorspronkelijk bericht----- > Van: owner-rsgb_lf_group@blacksheep.org > [mailto:owner-rsgb_lf_group@blacksheep.org]Namens Victor van Kooten > Verzonden: dinsdag 5 februari 2013 8:41 > Aan: rsgb_lf_group@blacksheep.org > Onderwerp: Re: LF: RE: Re: Testing WSPR-15 on 630m > > > Hello Stefan, > > I don't know how sensitive wspr15 is for drift,maybe this is a cause > for lost decodes.Maybe you can change the xtal osc for a tcxo or a > ocxo,they are very cheap these days,ofcourse it depends on the freq. = you > use. > Your construction isn't that ugly,This evening I will send you some > pictures of my own experiments, > > > 73,GL > > Victor > > =20 >>>> Stefan Sch=C3=A4fer = 04/02/2013 >>>> =20 > 23:26>>> > Hi Victor, > > Thanks for the feedback. Yes i see i'm drifting. Not so fine. There > were > some missing decodes. Must have been due to the timing or maybe the > drift? > > My TX converter is quite an ugly construction. It was grown from a = very > > temporary arrangement of a few electronic parts. The drift may come > from > some nearby parts (The ICL7667 and a 78S05) which become warm during > TXing and feed the heat to the xtal. I will investigate... > > 73, Stefan > > Am 04.02.2013 22:04, schrieb victor13@online.nl: > =20 >> Hi Stefan, >> your signal on the waterfall >> Victor >> >> =20 > > > ----- > Geen virus gevonden in dit bericht. > Gecontroleerd door AVG - www.avg.com > Versie: 2013.0.2897 / Virusdatabase: 2639/6081 - datum van uitgifte: = 02/04/13 > > =20 ----- Geen virus gevonden in dit bericht. Gecontroleerd door AVG - www.avg.com Versie: 2013.0.2897 / Virusdatabase: 2639/6083 - datum van uitgifte: = 02/05/13