Some projects I (KK6MK) have done, and information, hopefully, useful to others. Most are related to amateur radio.

GL a Palm Program
The program runs on Palm Handhelds. It computes the distance and bearing between two locations. Favorite locations can be saved in MemoPad and recalled into the program. This does most of what the old DOS program did (but no keyer). It is easier to use in many ways.
10GHz and Up Log Tool
An Excel spreadsheet. It calculates and generates logs that can be submitted to the ARRL for the 10 GHz and Up contest. It was done with Microsoft Excel 97, but as far as I know, it works with newer versions.
3600 MHz Synthesizer / mixer
A synth and mixer. A small board designed by AA6IW and AF6IF. Generates 3600 MHz which feeds a mixer to convert between 3744 MHz and 144 MHz. Intended as a component for a 24 GHz radio.
Toaster Oven Soldering
Others have done this before me, but for the 3600 Board project, I soldered some boards using a toaster oven. This link describes that process and how I temperature controlled the oven.
DistBear Calculation Tool
An Excel spreadsheet. It calculates the distance and bearing between two maidenhead grid locations. It was done with Microsoft Excel 97, but as far as I know, it works with newer versions.
CPwin a Code Practice Program
CPwin is a Windows program to assist in learning or practicing Morse code reception. A unique feature is that it has a voice prompting mode, where after a sequence of letters are sent in CW, they are then spoken in voice.
EME Tracking Board
This page describes a replacement design of the interface board used in the F1EHN EME tracking system. This board is based on a Microchip 16F877 microprocessor. The board is compatible with the original F1EHN design. JJ, F1EHN, has now done a nice layout of this board which is available on his site www.f1ehn.org
10 GHz Radio
The first radio I built to use in the ARRL 10 GHz Contests.
Satellite Converter LO
How I reverse-engineered and mutilated a satellite down-converter to use its Local Oscillator.
Kenwood TR 9000 as IF
Modifications made to a Kenwood TR 9000 2M all-mode radio to use it as an IF with microwave transcievers.
GLKEY program
Click here to download the DOS program GLKEY. This is an old program written in the early 90s. It's a program that computes distance/bearing between two locations and also contains a CW generator that can key a radio. I wrote it to use in the ARRL 10 GHz contest. The distance/bearing portion can read and save data to files containing favorite locations. It is in a self-extracting zip file, about 98K.

Sorry, no documentation. Expand all into dir where you will run it. Look at cfgproto.txt to get an idea of the parameters that can be entered into the configuration file: gl_cfg.txt .
Mod to an HP Z3816A GPS Timing Receiver
Description of a modification I made to an HP Z3816A GPS Timing Receiver. This mod takes 4 existing 19.6608 MHz outputs and converts them to 10 MHz outputs.


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GL a Palm Program 10G Up Log Tool 3600 MHz Synthesizer / mixer Toaster Oven Soldering DistBear Calc Tool CPwin Code Practice EME Tracking Board 10 GHz Radio Satellite Converter LO Kenwood TR 9000 as IF GLKEY program Mod to an HP Z3816A Timing Receiver