[amsat-bb] AO-40 Checkpoint this Sunday

["Alan K. Adamson" <ne1h@xxxxxxxxxx>]

All,

Yup, I'm at it again... Figure I'll dredge up some interest in AO-40 while
we wait for some events to transpire.

So, here is the plan.  This Sunday (4/1), from 15:30z to 17:14z ( I think I
did that right as the time changes this weekend and we are +4 instead of the
normal +5) the pass we will get in Atlanta will should be at MA 230-255.

I'll push telemetry during this time to the Goddard server, using ao40rcv as
the receive software.  If you want to copy along, get and install and setup
and trial p3t.  Then Sunday use p3t to view the telemetry by connecting to
the server and port listed below. (you can connect there anytime, if anyone
else is pushing, you'll get it)

server address
128.183.143.104

port number
1024

I'll also have my audio server running and will serve an audio stream.  I
need some feedback.  I'd prefer to serve a 16K stream as there is just too
much artifacting with an 8K stream.  But if enough people want to check out
there systems along with me, I'll do an 8K stream to support those on
dialup.  Feedback wanted here???

What I'm thinking is that I'll feed telem and audio and you can follow along
with your setups to check them out.  I don't have anything awesome on my
end, but lately, I've had pretty good luck with telem and I pretty much see
signals from AO-40 that are S7 - S9 at best case.

I'll also be on the IRC channel #amsat on us.chatnet.org  (get MIRC for
windows to logon).  How about we start at 1500z that will give us all a
chance to calibrate and get setup.  I'll have the audio running then as
well.  With the sat out that far I usually only 'kinda' hear it, but it will
give you a reference.

As a point of reference, my equipment is as follows:
Yaesu FT847 as rx (I might try my Kenwood TS-2000 in transvert mode this
weekend, we'll see)
SSB UEK3000SAT downconverter - 30db gain, with .7nf, 432 IF
52 element loop yagi from directivesystems.com - gain of 21dbi

Ok, mark your calendars and let's have a little AO-40 bash.  You know what
will happen, with this attempt to get everyone out and going, I'll either
have wild TX storms in the area, or it will pouring, or the sat will be in
some strange mode.  Cross your fingers.  Last Sunday, a bunch of us did the
same and had a blast.

I'll warn you up front, when it's time to copy telemetry, I'm pretty busy
tuning doppler, etc and can't reach the keyboard easy... So let's start
early and get setup and ready to go.

Let me know if this is a useful thing or not.  I don't have to set here and
do it.  I just like to contribute to the telem database and if I can help
you sort out a kink or  two, let's do it!

See ya Sunday,
Alan

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