[amsat-bb] Re: SO-67 14Nov2009 1521z Audio

Glenn AA5PK aa5pk at suddenlink.net
Sat Nov 14 14:50:11 PST 2009

Hi, Pat.

I agree.  Narrow FM and reduced mic gain is the way to go.  You came through 

Listened to your recordings and John's from earlier.  Thanks for posting 

Once the bird is commissioned and the drop out issue is resolved, this will 
be a great addition to the constellation!

Glenn AA5PK

----- Original Message ----- 
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb at wd9ewk.net>
To: <amsat-bb at amsat.org>
Sent: Saturday, November 14, 2009 2:53 PM
Subject: [amsat-bb] Re: SO-67 14Nov2009 1521z Audio

> Hi Glenn!
> Nice to work you on that last SO-67 pass this morning.  It was an
> easier pass to get into from DM33xp/DM43ap here in Phoenix
> (maximum elevation 40 degrees) compared to the earlier pass
> (maximum elevation 8 degrees).
> I posted my two MP3 recordings from this morning, along with the
> MP3s from the two SO-67 passes I was on last weekend, at:
> http://so67.wd9ewk.net/
> The URL was just set up, so it may not respond for a few hours until
> the DNS change propagates.  I also posted PDFs with the passes at
> those times there, so you can see how things looked from here in
> Phoenix.
> Following the advice about reducing mic gain and narrow FM helps in
> getting through.  On the second SO-67 pass this morning, I went one
> step further - I held my mic about 8 inches/20cm below my mouth
> while transmitting.  Doing that, and following the other hints, allowed
> me to have a transmission of more than 2 or 3 seconds get through
> SO-67 without dropping out.  I have been using an IC-2820H with an
> Elk Antennas handheld 2m/70cm log periodic when I have worked
> SO-67.
> It would be interesting to see how this satellite worked with no PL
> required on the uplink, since it is only being activated for 13 or 15
> minutes at a time.  The PL doesn't appear to be needed as a tool
> for power conservation, as on SO-50.  Does anyone know if it is
> even possible for the SO-67 transponder to operate without that
> PL?
> 73!
> Patrick WD9EWK/VA7EWK
> http://www.wd9ewk.net/
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