Math and Programming


Matlab
Maple
Octave
Perl: The Perl Language Page, The Perl mongers
Ace/Corba
Gimp
Generic Mapping Tools (GMT)
CVS:  Cyclic Software, User manual (.ps)    CVSBook
Mirror
Protel 99
Star Office

Computers and Parts


Computer components price comparisons
Hard Drives Northwest
Dell Computers

Receiver Components


Digikey
 Motorola
National Semiconductor
E.M. Research:  Phase Lock Loop Oscillators
Micrometals Iron Powder Cores:  Inductors
RF Micro-Devices: Amplifiers, demodulators, etc.

Antennas, Towers, and Accessories


Rohn Towers
KMA Antennas
Rotators