Re: [amsat-bb] FT-847 AO-40 and Doppler Uplink Correction?

["Jens H. Jensen" <topcat@xxxxxxxxxxxxxxxxx>]

At 06:15 22-07-2001, you wrote:

>[On the uplink, you want to compensate so that your signal arrives at the
>satellite on the correct frequency.  Therefore, you need to subtract the
>Doppler shift (at UHF) from your TX freq.  Subtracting a negative number is
>the same as adding...  confused yet :-).  ]

Ehhhh.... let me see..

The doppler on the up- and downlink SUBTRACTS because the transponder is 
inverting..
Right, or.. ?

Cheers, Jens

73 de OZ1LRG

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