Please open the zip file which contains:

1) Schematic.PDF  			The scematic of the serial control board
2) Pic Serial Project.PDF  		A description of various parts of the project
3) SpecAnal.HEX				The hex file needed to program the PIC18F4550
4) SERIAL SpecAnal-Tracking-V120.BAS	The modified Liberty Basic file

In case you stumbled accross this, here is the main sorce of informaion about this project


http://www.cpu-net.com/host/wsprowls/


de
Frank VK4BLF QTHR