Some info has become available on their web page:
https://www.frontier.phys.nagoya-u.ac.jp/en/chubusat/chubusat_satellite3.htm... https://www.frontier.phys.nagoya-u.ac.jp/chubusat/Amateur_MSG_REPLY_format.p...
The protocol uses FEC (Hamming code). The source code for the FEC decoder is on this page:
https://www.frontier.phys.nagoya-u.ac.jp/en/chubusat/source_code_for_HK_tele...
Some fun times with GnuRadio may lie ahead!
73, Edson PY2SDR
--- - We humans have the capability to do amazing things if we work together. - Nós seres humanos temos a capacidade de fazer coisas incríveis se trabalharmos juntos.
On Mon, Feb 8, 2016 at 11:29 PM, Mark Lunday wd4elg@triad.rr.com wrote:
Thanks Andrew.
How does the "message store and forward" algorithm work in practice?
Mark Lunday, WD4ELG Greensboro, NC FM06be wd4elg@arrl.net http://wd4elg.blogspot.com
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