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Ham Radio
Hardware Projects:
- The Tower Project: notes on tower design and pictures taken during construction.
- A 2.4 GHz Antenna to receive the Selene Japanese spacecraft
- Morse Iambic Keyer using a Silabs microcontroller, with source code
- Pipe Cap Filters for the microwaves
- 10 GHz Transverters
- How to operate 24V relays from 12V without voltage converter.
- MFJ-264 Dummy Load modification into a 40dB attenuator still capable of 1kW power dissipation (short term).
- An inexpensive CW key you can build
- TS-440S/AT Computer Interface
- Microphone Mute for sound card modes with the TS-440
- FT-817 CAT Interface
- Dual Radio Computer Interface
Software Projects:
- ADIFLookup: A program to automatically add name and address to an ADIF file.
- A Dual Time Zone Ham Radio Clock for Windows
- HamLookup Ham Radio Database
- QSO Recorder
Product Reviews:
Frequently Asked Questions:
- What cable/connector to use from my radio to my antenna?
- Digital Modes Interfacing
- What is a TCXO and why would I want one?
Operating
VHF/UHF Beacons
- Sortable list of US based VHF and UHF beacons
Ham Links
KO4BB's Halloween Electric Pumkin