Close, but not on 2.4Ghz. We did that on 2m, 70cm, and 33cm.

Aeneas was the satellite I was thinking of that had a WiFi-like payload.

http://viterbi.usc.edu/news/news/2012/usc-viterbi-s366666.htm

73, Drew KO4MA

-----Original Message-----

From: "Mark L. Hammond" marklhammond@gmail.com Sent: Feb 22, 2013 11:20 AM To: "Trevor ." m5aka@yahoo.co.uk Cc: amsat-bb amsat-bb@amsat.org Subject: [amsat-bb] Re: 2.4GHz broadband router on satellite?

Maybe Drew KO4MA will reply--but I thought he did some "global listening" on 2.4GHz with AO-51 (frequency agile receiver). Seems like he published some plots in The Journal?

Take home from what I recall--it was very noisy!

Mark N8MH

On Fri, Feb 22, 2013 at 10:49 AM, Trevor . m5aka@yahoo.co.uk wrote:

...

Apart from power budget issues and Doppler the real killer will be the very high noise level on 2.4 GHz.

In urban areas you can expected to receive strong WiFi signals across all of 2402-2450 almost regardless of where you beam.

Any signals from a satellite would need to be strong enough to overcome this interference. 5 GHz is likely to suffer a similar problem in a few years as more use is made of that band for WiFi etc.

73 Trevor M5AKA

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-- Mark L. Hammond [N8MH] _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb