[amsat-bb] Re: Some successful experiment and beep-sats

Eric Knaps eric.knaps at telenet.be
Thu Sep 24 10:38:18 PDT 2009

Hello William,

Nice to hear you are making progress with your transponder.
About the "beep-sats", I don't even try to listen to them. There are 
several new cubesats in space but only with telemetry downlink.
I have more fun with sats that has a transponder on board to make some 
contacts. But that's my opinion :-)
Eric -- ON4HF

Eric Knaps
Waterstraat 30
B-3980 Tessenderlo

Tel. +32472985876 (mobile)


William Leijenaar schreef:
> Hi AMSATs,
> I like to share with you some news about my succesfull experiments with my tinny transponder. I managed it to work with 23cm as input frequency :)
> The changes are minor,  just a few components to be changed and the input filter needs to be changed. I have to do some more testing but all looks very well for having an mode-LU linear transponder.
> I just heared about another launch with several "beep"-sats on it.
> When checking the Satellite Status List on the AMSAT-NA website, you need to search very well to find any satellite which has an uplink frequency. As active AMSAT operator I already deleted most of the kepler lines in the kepler list, as these are all "beep" sats which I can not use.
> Lucky thing is that I not have much time to be active on satellites, but every once in a while when I check the satellite list my face gets more and more :(
> In the past we had a few satellites, but they were very usefull (to AMSAT hams)...
> Now we have many satellites, but only few are usefull (to AMSAT hams)...
> Now up to my next project... a credit-card size Mode-B FM transponder :o)
> 73 de William, PE1RAH
> ---
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