Just curious, Why voice only? Why no CW?
Joe WB9SBD *The Original Rolling Ball Clock Idle-Tyme.com <http://www.idle-tyme.com>* Luc Leblanc wrote: > On 28 Dec 2009 at 19:13, Andrew Glasbrenner wrote: > > Date sent: Mon, 28 Dec 2009 19:13:24 -0500 > From: Andrew Glasbrenner <[email protected]> > Subject: [amsat-bb] AO-51 mode change and recommendation > To: Amsat-BB <[email protected]> > > >> AO-51 has been switched to the SSB/FM crossmode repeater, 145.880 USB >> up, 435.150 FM down. Power output is 1.93 watts. The downlink modulation >> is set very high, so that even very weak signals will be audible. The >> downside to this is that someone running excessive power will cause the >> downlink to distort.If this happens I'll be forced to adjust the >> modulation level down, or possibly end the mode early. For a "normal" >> station, 5 watts on the uplink to a modest gain antenna is entirely >> sufficient. Please use the minimum power necessary. This mode -requires- >> tuning the SSB uplink precisely for Doppler, and to effectively do that >> you will need full duplex. >> >> Please use this for voice communications only, until Straight Key Night, >> when CW will be the designated mode. >> >> Thanks, and enjoy this unusual mode. >> >> 73, Drew KO4MA >> AMSAT-NA VP Operations >> _______________________________________________ >> > > On the first 3.9 deg morning pass i was able to hear F6BYJ and an ON station > my own downlink was quite distorted even with any > signal/modulation level. > > On the second pass signal peak at S9 plus 20 but my downlink aidio was rather > weak. Signal from the satellite was breaking up but i was > able to hear my downlink with 5 watts for most of the past but as probably a > commanding station was adjusting the levels the near end of > the pass my audio became extremely weak and seems to never getting back at > the AOS to TCA level. > > The first morning low pass audio adjustment produce a very good and clean > signal but on the second one audio appears to be muted at AOS to > TCA and became extremely muted on the second half on the pass to a point > where no communication was possible. It is not a signal problem > but just the audio who seems to be adjusted at the right level. > > No distortion has been noted too. > > The only one problem i was alone for the whole pass speaking to myself... > > "-" > > > Luc Leblanc VE2DWE > Skype VE2DWE > www.qsl.net/ve2dwe > DSTAR urcall VE2DWE > WAC BASIC CW PHONE SATELLITE > > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.724 / Virus Database: 270.14.123/2592 - Release Date: 12/29/09 > 01:47:00 > > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
