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Re: AO-40 S band



We only run V/S or L/S on AO-51 out of concern over damaging the SQRX 
receiver if it were listening on UHF when a UHF transmitter came up. This 
could happen with a battery watchdog event, or a software crash. Since the 
doppler shift on the VHF uplink is low enough that you do not need to tune 
on FM, if you have any sort of  second VHF transmitter you could use it for 
the uplink. Even a 5 watt HT will do fine, especially since we now use an 
alternate frequency on V/S.

73, Drew KO4MA
AMSAT-NA VP Operations

----- Original Message ----- 
From: "WB2LLP" <wb2llp@optonline.net>
To: "AMSAT -BB" <AMSAT-BB@amsat.org>
Sent: Thursday, May 15, 2008 10:16 PM
Subject: [amsat-bb] AO-40 S band


>I was going to set up to receive AO-51 on VS when it occurred to me that I 
>need the 144 band as the receiver for the S band down-converter. Then I 
>remembered that I used to have QSOs on AO-40 with the same gear that I 
>still have, but I do not remember and can not find any notes as what band 
>we used for the uplink.
>
> Will someone  with a better memory/set of notes please remind me what band 
> we used for the uplink?
>
> TNX es 73 de WB2LLP
> _______________________________________________
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