Hi! I am Phil Karn, KA9Q. Welcome to my personal home page!

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ISEE-3/ICE Spacecraft Telemetry decoded!

Quotes of the Day:

We have the means and we have the technology to end mass surveillance without any legislative action at all, without any policy changes. By basically adopting changes like making encryption a universal standard ‐ where all communications are encrypted by default ‐ we can end mass surveillance not just in the United States but around the world. --Edward Snowden, quoted in Wired Magazine.
If you haven't tested it, it doesn't work --Klein Gilhousen, Qualcomm
It isn't faith that makes good science, Mr. Klaatu, it's curiosity --Professor Barnhart, The Day The Earth Stood Still
Science flies you to the moon. Religion flies you into buildings. --Victor J. Stenger
I'll believe that corporations are people when Texas executes one. -- bumper sticker
Cancer is nature's way of reminding us just how amazing it is that multicellular life ever evolved in the first place. -- me
The most important thing I got from my engineering education was an understanding of the difference between what's impossible and what merely hasn't been done yet. -- me
The best thing you can do for your mental health is to stop watching the TV news. --me

Old quotes of the day

My standing question to those (mainly religious fundamentalists) who deny evolution, the backbone of modern biology:

Just who the hell are YOU to tell your god how he can and can't run his universe?
How to dual-home servers on U-verse
Comments to NTSB on the grounding of aircraft DC power system neutrals

Qualcomm Stuff

Internet activities

Amateur Radio Digital Communications

BPSK1000 telemetry format for the ARISSat-1 satellite

  • FEC for AO-40 spacecraft telemetry
  • A proposed high speed digital mode for AMSAT's JJsat
  • Digital Signal Processing
  • Space Communications
  • Amateur Radio Regulatory Politics
  • AMSAT, TAPR and ARRL newsletter archives (new!)
  • Political Stuff



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    Last updated: 1 December 2014