wiki/ news/ 2003-09-11 - v2 CPA's designed using Excel spreadsheet: calculates CPA dimensions and generates EAGLE CAD commands

"Version 2" Cylindrical Patch Antenna design.

Construction, from the inside out:

  1. 5.25" OD 1/8" thick Al airframe module (the avionics module)
  2. 0.005" soft copper (ground plane)
  3. 1/16" double-sticky foam PE tape (dielectric)
  4. 0.005" double-sided PCB (corporate feed network and radiator)

More information: