Trevor,

Can you clarify what all of these are?

The 1541.200 MHz seems to be in the 1535 to 1545 MHz range that you specify elsewhere as a TAL site pre-launch briefing on INMARSAT.

73 de

Félim M3HIM IO91ot Aylesbury, Buckinghamshire, UK ----- Original Message ----- From: "Trevor" m5aka@yahoo.co.uk To: "AMSAT BB" amsat-bb@AMSAT.ORG Sent: Wednesday, July 05, 2006 8:29 PM Subject: Re: [amsat-bb] STS-121

--- Vincenzo Mone vimone@alice.it wrote:

...

Hi to the list, pleas which are the up/downlink frequencies for the STS-121?

I understand these frequencies are used for launch related comms:

1541.200 MHz, 1435.5 MHz, 261.875 MHz (f.m.) and 10.780MHz (u.s.b.)

73 Trevor M5AKA

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