[amsat-bb] Re: OH2AUE P3E transponder demo video

[Michael Fletcher]

Hi Domenico,

first of all the P3E 'P5A transponder' is a team effort: you may
find the members here:

http://www.rats.fi/rats/amsat-oh/

Regarding the frequencies, you should be able to decipher the
most important information from this ecrypted document, or
alternatively you could try your luck with a translator that
attempts (!) to handle Finnish to your language preference:

http://www.rats.fi/rats/amsat-oh/p3e/

There are significant frequency scheme challenges (check out the
complexity of the block diagram, being necessary to maintain the
coherent uplink/downlink ratio of 30:7), but I think the final
frequency plan is fairly satisfactory.

73 Michael OH2AUE

---

15.10.2012 22:23, i8cvs kirjoitti:
> Hi Kauto, OH2LFM and Michael OH2AUE
>
> Congratulations to both of you and expecially to Michael OH2AUE
> the designer and builder of the X band transponder
>
> I have seen your OH2AUE P3E transponder demo video and I hope
> that the downlink is in the same X band frequency 10450-10452 MHz
> as on  AO40 because I have my homebrewed downconverter and a
> 60 cm dish with Chaparral feed tuned for the above frequency band
> since AO40 but unfortunately never used because of AO40 problems.
>
> I hope to use it on P3E as soon it will be in orbit.
>
> Please let us know more details on downlink frequency band as well
> output power and antenna that AMSAT-DL plan to use on P3E
>
> Thanks
>
> 73" de
>
> i8CVS Domenico
>
> ----- Original Message -----
> From: "Kauto Huopio OH2LFM" <oh2lfm at sral.fi>
> To: <amsat-bb at amsat.org>
> Sent: Monday, October 15, 2012 6:47 PM
> Subject: [amsat-bb] OH2AUE P3E transponder demo video
>
>
>> Just went through my old ham camp videos..
>>
>> Here is OH2AUE with a P3E transponder demo at SRAL summer camp
>> 2011. In Finnish, but images do the talking :)
>>
>> http://www.youtube.com/watch?v=y7Awv4oLM78
>>
>> --Kauto OH2LFM
>> _______________________________________________
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>
>