HacDC High Altitude Balloon launch November 6

Robert E. Seastrom rs at seastrom.com
Mon Oct 25 10:41:36 CDT 2010

The WhereAVR is a slick design.  Unlike similar vintage Byonics units
it can receive too (resistor ladder zero-crossing detector).  Is there
a wiki page for your derivative?  I've often thought that a bigger
chip than the ATMega8 and a software serial port would permit a real
user interface for configuration, rather than relying on the
"recompile it" approach that the WhereAVR has.

Can you forward details to me or the list of where the launch will be,
and coordination/talk-in frequencies?  I might be able to make it and
might not; it depends on how my night the evening before goes.
Repeater coverage out there depends on where you're planning to launch
from - 147.300 covers Winchester OK and probably down to Edinburg, but
not so great up north particularly with HTs.


Martin <dcmk1mr2 at gmail.com> writes:

> Thought this would be of interest to some of you.  You're welcome to
> participate.  [[http://wiki.hacdc.org/index.php/HacDC_Spaceblimp_3]]
> We've been developing an Atmel AVR APRS beacon with onboard GPS and
> transmitter.  We successfuly flew a homemade single-sided toner transfer smt
> board on the last flight.  We plan to make a kit with two sided board and
> parts for under $80-$100 when done. We started with a version of WhereAVR that
> Vienna Wireless Society had modded.  It's coded in plain C so it should be
> easy to port to MSP430 or other favorite uC. It's not well documented as it's
> still much in progress. 
> I'm a new member and have worked in radio over the years but just recently got
> my amateur license.  Please excuse any newbie faux pas in advance.
> Thanks,
> Martin 
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