Ham Radio Stuff and Technical Notes:

2011 Frequency Measurement Test Results
2014 Frequency Measurement Test Results
A 1953 amateur radio license.
A 2013 Bahamian amateur radio license.
QSO MIR ! An out-of-this-world amateur radio contact.
Tech Note #1- Freq calibration and measurement
Tech Note #2- SCS PTC-II and PSK31
Tech Note #3- A digital modes quiz
Tech Note #4- A easy bilge pump alarm
Tech Note #5- Low Cost AIS
Tech Note #6- WINMOR + $9 Icom CAT Dongle
Tech Note #7- AIRMAIL + $9 Icom CAT Dongle