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

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ISEE-3/ICE Spacecraft Telmetry decoded!

Quotes of the Day:

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

Old quotes of the day
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

    Pseudoscience

    Miscellaneous


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    Last updated: 22 July 2014