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R: AO-40 Update, 2003-02-21



Stacey,

For the uplink i have 10 watt in to 1.2 meter dish for the S1 band
from 2400.350 to 2400.600 MHz with about 5 KW  EIRP pep in
SSB or CW

I have no uplink in S2 band from 2446.450 to 2446.700 MHz

I don't have downlink equipments for K band so i am deaf on the
receiving side during the test.

If  i can be of any help for the test please let me know the uplink
frequency  that you plan for the S1 band

>From my calculations in a hurry 2400.500 MHz should be OK to
be translated in the midle of the K band between 24048.025 to
24048.275 MHz

The squint angle will be around 3 degrees for me and the Elevation
around 10 degrees over a free horizon on the see during the test
on Sunday, February 23 from MA 162 to 170

Waiting for your replay

73" de i8CVS Domenico

----- Original Message -----
From: Stacey E. Mills <w4sm@cstone.net>
To: Amsat Bulletin Board <amsat-bb@AMSAT.Org>
Sent: Friday, February 21, 2003 3:34 AM
Subject: [amsat-bb] AO-40 Update, 2003-02-21


>
> S-band Receiver Test
> ---------------------
> The AO-40 team plans to test the S1 and S2 receivers with the K-band
> downlink on Sunday, February 23rd from MA 162 to 170 ( UTC ~19:26 to
~20:01
> ).  This will necessitate switching OFF the S2 Tx during this time.  As is
> currently scheduled each orbit, the S2 Tx will be on, beacon only, along
> with the K-Tx during the 160 to 162 window.  However, from 162 to 170, the
> S2 Tx will be off and only the S1 and S2 receivers, plus beacon, will be
> connected to the K-Tx.  Stations with K-band reception are invited to
> monitor the tests.  Normal passband operation should resume after MA
> 170.  If weather or technical problems are prohibitive, we will
> reschedule.   Because this is a single event test, the N-blk will not be
> modified to reflect this test.
>
> --W4SM for the AO-40 Command Team.
>
>
>
>
> --
>   _______________________________________________________________________
>   Stacey E. Mills, W4SM    WWW:    http://www.cstone.net/~w4sm/ham1.html
>    Charlottesville, VA     PGP key: http://www.cstone.net/~w4sm/key
>   _______________________________________________________________________
>
> ----
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----
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