Re: [amsat-bb] A few sat questions

["Dennis Morris" <denmorr@xxxxxxxxxxxxx>]

Mark:

I have had much better success with the hand held crossed yagis (Arrow).
Also 40 feet is a long run at 70cm even for good coax like 9913.

Dennis C. Morris
WA4ZJJ
----- Original Message -----
From: Dittmar, Mark <Mark_Dittmar@Maxtor.com>
To: 'AMSAT-BB' <amsat-bb@AMSAT.Org>
Sent: Tuesday, July 11, 2000 6:06 PM
Subject: [amsat-bb] A few sat questions


>
>
> Hello all-
>
> I am new to satellite operation,  having worked a few CW QSOs on
> RS13 and listening in on UO14 passes.  I have a few questions for the
> experts:
>
> 1)  With respect to receiving antennas on 435 Mhz,  I put up a
> homebrew "eggbeater" type omni antenna,  using about 40' of 9913 to the
> rcvr.  It is wired for RHCP.  Though the antenna works OK on various
passes
> of UO14,  ocassionally bringing the rcvr to "full quieting" , a lot of the
> time during the pass,  the signal just drops out.  Perhaps weakly related
to
> the elevation angle,  it is hard for me to tell.  Is this due more to the
> fact that the polarazation from the sat is changing?  I thought that an
> eggbeater would have worked better,  though I realize that an omni ant is
a
> compromise.  Do most ops work UO14 with handheld beams ?
>
> 2)  RS15 ?  I've been tuning in on this bird just to listen;  some
> times,  I hear the beacon sending CW telemetry,  other times,  I just hear
a
> series of long chirpy dashes.  Is the sat switched in and out of sending
CW
> telemetry?  Or is this some kind of power saving mode?  Does the
transponder
> function when in the "long dash" mode?  Also,  I have yet to hear any
> activity on this sat,  even when the CW telemetry beacon is coming in
> strong.
>
> Thanks for your consideration,
>
> 73, Mark, AB0CW
>
>
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