[amsat-bb] Re: SO50 Help Please
pisymbol at gmail.com
Mon Jun 20 15:04:38 PDT 2011
On Mon, Jun 20, 2011 at 5:24 PM, Douglas Phelps <dphelps1 at ameritech.net> wrote:
> My equipment is an FT-847 feeding a pair of 8 element RHCP antennas with
> Advanced Research Preamps mounted at the antenna. I use SatPC for the automatic
> tracking. I am supposedly transmitting a 67 Hz PL on TX.
> Ar elevations above 40 degrees, I can hear AO50 full quieting with just a little
> fading. What I can not sdeem to do is TX through AO50. I can TX OK through
> AO51 in its current mode (QRP transponder and no PL) but not AO50. I seemed
> that if TX right when someone ended the TX, I could get in for a fraction of a
> second. Can anybody tell me what I am doing wrong? Is their some quirk with PL
> in the Sat Mode on the FT-847?
You are arming SO-50 as per the instructions on the AMSAT page:
"1) Transmit on 145.850 MHz with a tone of 74.4 Hz to arm the 10
minute timer on board the spacecraft."
Once armed, you can transmit using 67Hz PL. I could misunderstanding
your issue though.
More information about the AMSAT-BB