Dave - Thanks for the reminder - I forgot about the 74.4Hz "turn on" tone - I had a quite pass last night -- I was hesitant to transmit until I heard somebody on the downlink. Then I tried a test call (with the 67hz on) - and did not hear my downlink -- adding to the puzzle.
jesh - yet another "middle age moment" At 08:31 PM 8/27/2010, Dobarrows wrote: >Sometimes I have not heard SO-50 on late night passes. Then I key up >my transmitter with a 74.4 hz tone. After that, I key my transmitter >on and off with a 67hz tone while tuning the receiver set in cw mode >until I find a carrier that goes on and off with my keying somewhere >near where I expect the downlink to be. I then give my station ID and >change the receive mode to fm. I know that SO-50 is alive and well. > >I don't know if it is well understood, but SO-50's downlink will only >be on as long as there is a signal in the uplink with the 67hz tone on. >You let up on the mike and the downlink ceases until someone else >transmits. AO27 and AO51 have continuous carriers when turned on so >they are easier to locate when there is little activity. (Little >activity doesn't happen often here in North America on AO27 and AO51). > >73, >Dave W8IJ > >_______________________________________________ >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 _______________________________________________ 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
