[amsat-bb] Re: AMSAT educational kit receiver idea?
aa2tx at comcast.net
Mon Nov 20 18:56:23 PST 2006
You can buy a complete 2-meter dual-conversion receiver kit
that will drive a speaker from here:
In quantity 5+, they are only $29.95 and in singles they
are only $34.95.
This is not a great receiver but it ought to be more than sufficient
to hear the ISS on 145.800.
At 02:49 PM 11/20/2006, Robert Bruninga wrote:
>Here is an idea for a cheap educational receiver kit for
>AMSAT/ARRL/ARISS? to provide as part of their outreach to youth:
>This design uses a simple $9 FRS FM Walkie Talkie as the
>receiver and a -converter- kit to convert 145.800 from the Space
>Station to 462.5625 MHz. All of the mechanical parts in this
>concept total about $3 and if we can get the electronics to
>under $20 then this could be a great receiver kit for students
>to listen to the Astronauts on the ISS and Space Shuttle.
>My original proposal back in October had a different mechanical
>But this new juice-can concept solves many problems by not only
>providing a good mechanical housing for the device, but it also
>provides the IF shielding necessary to prevent any local FRS
>activity from bleeding through the receiver. It also improves
>the coupling between the converter and the receiver.
>Anyway, I think this idea is a nice circuit design challenge
>sith lots of potential. This juice-can mechanical concept is
>intended to simplify some of the construction challenges for
>students. Can anyone design a cheap converter kit?
>de WB4APR, Bob
>Sent via AMSAT-BB at 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
>No virus found in this incoming message.
>Checked by AVG Free Edition.
>Version: 7.5.430 / Virus Database: 268.14.10/541 - Release Date:
>11/20/2006 6:48 AM
More information about the AMSAT-BB