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:

Mit der Dummheit kämpfen Götter selbst vergebens. --Friedrich Schiller

I distrust those people who know so well what God wants them to do, because I notice it always coincides with their own desires. --Susan B Anthony

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!)
  • EIMAC (division of Varian) Moonbounce Notes from the 1970s (new!)
  • Political Stuff



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    Last updated: 1 December 2014