[amsat-bb] Re: S band downlink on P3E

[Robert McGwier]

All of the designs for the equipment to use the digital transponder on 
S/C  bands will be open and available (hardware and software).  For the 
"CC Rider", now S/C,  we will be required to produce working units but 
it will be openly available for experimenters and homebrewers to roll 
their own.  We are going to have to figure out to enforce power 
discipline because of the resource limitations.

The Mode B transponder will require no more than AO-13 required unless 
you want to use the new text messaging service and that will require a 
sound card and a computer.

Bob
N4HY


Steve Meuse wrote:
> AL7CR expunged (al7cr at punakea.com):
>
>   
>> The fact that they are "designing the ground equipment too" is of no 
>> comfort to me.  My S band gear is on the tower and operating.
>>     
>
> I think they were talking specifically about equipment for CC Rider, correct me if I'm wrong. Even then, I don't ever think it would have been a requirement to use their gear, they would just be providing something that might not have been available anywhere else. 
>
>
> -Steve
> N1JFU
>
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-- 
AMSAT VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats,
NJQRP/AMQRP, QRP ARCI, QCWA, FRC. ARRL SDR Wrk Grp Chairman
"You see, wire telegraph is a kind of a very, very long cat.
You pull his tail in New York and his head is meowing in Los
Angeles. Do you understand this? And radio operates exactly
the same way: you send signals here, they receive them there.
The only difference is that there is no cat." - Einstein