At one point, folks were using PSK31 on FO-29. Check the waterfall and see how it looks like :-)
Stefan, VE4NSA On Sat, Oct 5, 2013 at 8:25 AM, Robert Bruninga <[email protected]> wrote: > Wow, a GREAT DF opportunity and exercise. The Doppler info is there > to determine its location. Just plot the doppler and note the center > point and draw a line of bearing through it. Combine with others and > find the source. > > heh heh... though, complicated by having to subtract out your own... > But we should develop these techniques. They are the basis of all of > the original Search And Rescue satellite systems. > > In fact!!! Why not get a few hams in a few areas of the country to > operate a CW carrier (at low power) at a known frequency in 4 corners > of the US and let evreyone practice their techniques. This way, we > learn how to do it on a known signal. > > Just a thought. > > Bob, WB4APR > > On Fri, Oct 4, 2013 at 4:51 PM, Paul Stoetzer <[email protected]> wrote: > > During two passes of FO-29 - at around 0120Z last night and around 1430Z > > this morning, I've heard some QRM that sounds like a digital signal. I > > confirmed that others heard it too and it wasn't local QRM, so it's > > obviously being relayed by the satellite. Downlink is around 435.860 MHz > (I > > heard it around 435.865 last night as the satellite was approaching and > > around 435.855 MHz this morning as the satellite was moving away), so the > > signal is likely being transmitted around 145.940 MHz. > > > > Has anybody else heard it? Any ideas on what the source might be? > > > > 73, > > > > Paul Stoetzer, N8HM > > Washington, DC > > _______________________________________________ > > 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 > _______________________________________________ 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
