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FW: UWE-1 Frequency



Received this email from the UWE-1 group this morning.
Ken, W7KKE

-----Original Message-----
From: Radu Barza [mailto:barza@informatik.uni-wuerzburg.de]
Sent: Wednesday, November 09, 2005 02:12
To: Ken Swaggart
Subject: Re: UWE-1 Frequency


Hi!


Thank you very much for your help. It seems that you are using incorrect TLE
data. We have just figured out that our UWE-1 is actually Object 28892, with
the following TLE:

UWE-1
1 28892U 05043C   05312.20778569  .00000258  00000-0  64342-4 0   546
2 28892  98.1809 208.7373 0018098 137.0601 223.2014 14.59251605  1744

You can find the latest values at:
http://celestrak.com/NORAD/elements/tle-new.txt

There is something else you should know: the satellite is sending beacons
every one minute (437.505MHz, 1200 Baud AFSK, AX.25 protocol, ~1 [Watt]
output power). In case the batteries become empty, it will enter in "3 hours
charging mode", in which time it does not send beacons (in order to save
some energy and recharge the batteries). In case you do not receive anything
even though you have a good pass, it is highly probable that the satellite
is in this charging mode (this mode can occur as often as once a day).

Thank you very much for your efforts!


Best regards,
Radu



----- Original Message -----
From: "Ken Swaggart" <k.swaggart@charter.net>
To: "AMSAT-BB" <AMSAT-BB@AMSAT.Org>
Cc: <cubesat@informatik.uni-wuerzburg.de>
Sent: Saturday, November 05, 2005 8:51 PM
Subject: UWE-1 Frequency today


> During the 1935 UTC pass today (5 Nov 05), I had to tune to 437.500 MHz to
> center the discriminator instead of the published 437.505 MHz. I'm using
> today's keps for Object 28895 (element set 29).
>
> Also, the AX-25 modulation sounded odd, and no packets were decoded. This
> could be due to the weak signal at 21 degrees max elevation, although the
> packet audio certainly didn't sound clean.
>
> Ken, W7KKE
> Lincoln City, Oregon, USA
----
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