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Re: AO-40 This morning no copy?



Same with me on Saturday AM. Got worse as it got closer.
----- Original Message -----
From: "Art Jeyes" <artjeyes@yahoo.com>
To: "AMSATBB" <amsat-bb@AMSAT.Org>
Sent: Sunday, May 13, 2001 2:04 PM
Subject: RE: [amsat-bb] AO-40 This morning no copy?


> I haven't been able to discern an effect, but I agree with the
observation.
> I start copying TLM blocks around 60K km, with good copy in the 40-50K
> regime, but as the bird gets inside 40K, I almost never copy good TLM...
> One thing I have been wondering about and trying to look into is antenna
> pointing accuracy, perhaps the beamwidth of my dish allows me to have
> greater pointing errors when the sat is out in range, but the sat moves
out
> of the main beam when it gets closer...
>
> 73,
>
> Art
>
> -----Original Message-----
> From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On Behalf
Of
> Mark L. Hammond
> Sent: Sunday, May 13, 2001 3:22 PM
> To: Brian Wruble; AMSATBB
> Subject: Re: [amsat-bb] AO-40 This morning no copy?
>
> It's all about squint, I think.  Poor squint at MA230 gives poor down
> links.  I think we stand a better chance of hearing the bird before or at
> apogee than as it approaches perigee!!
>
> 73,
>
> Mark
>
> At 12:41 PM 5/13/2001 -0400, Brian Wruble wrote:
> >Hi all:  I tried to hear the AO-40 S band beacons this morning, at 0800Z
> and
> >again at about 1100Z. According to Instanttrack, the bird was relatively
> >close, 25,000KM in the latter case, and MA about 230, as I recall.  No
joy!
> >
> >Is this my problem, or did others have the same result?
> >
> >Tnx es 73 de Brian W3BW  (FM29bi)
> >
> >----
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>
>
>
> Mark L. Hammond  [N8MH]
>
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>
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