n4hy.blogspot.com
Bob McGwier N4HY: October 2005
http://n4hy.blogspot.com/2005_10_01_archive.html
Sunday, October 16, 2005. Wow, what a month: AMSAT, OFDM, etc. The month since my last post has seen a whirlwind of activity. I have been working on several things and you can expect to hear more about all of this as time passes. At the annual meeting of AMSAT, NA Software Defined Radios were a major topic. Tom Clark and I have been working on a system we jointly proposed with Phil Karn two years ago and we have made steady progress in studying the system (see http:/ www.gpstime.com. Did a better job in ...
leapsecond.com
Time-Nuts -- Precise Time and Frequency for Amateurs
http://leapsecond.com/time-nuts.htm
Time-Nuts - Precise Time and Frequency for Amateurs. Trade; is a mailing list for amateurs who are interested in precise Time and Frequency. Topics include stability of quartz oscillators, measurements of rubidium and cesium atomic clocks, using WWVB, Loran-C, and GPS for long-term comparisons. Please join if you have questions or expertise to add to the group. The time-nuts main page and archive is at: https:/ www.febo.com/cgi-bin/mailman/listinfo/time-nuts. Ask questions; do experiments. Look for surpl...
n4hy.blogspot.com
Bob McGwier N4HY: September 2005
http://n4hy.blogspot.com/2005_09_01_archive.html
Wednesday, September 14, 2005. Been a very busy month. I have IPS (see IPS. Running on the AMSAT IHU-3. The IHU is the internal housekeeping unit of the spacecraft. It receives and processes commands, it maintains the state of the spacecraft and attempts to mitigate faults and generally manage the health of the spacecraft. I have pictures of our meetings in Germany and Washington state in these gallery entries:. Germany: Germany IHU-3 pix. Washington: Washington at KK7P IHU-3 pix. ARRL Review of SDR-1000.
