Portable Inverted V antenna
- This Inverted V Antenna is based on a design by WE5Y which originally appeared in QST Magazine published by the ARRL. AIWM modified the original design in how the fishing poles attach to the mast, the top insulator, and length of the fishing poles.
Tee Vertical Antenna for the 630M Band
- The conventional configuration was an inverted-L arrangement with the vertical section going up about 13m and then a horizontal top-load wire extending about 8m, the end of which was supported by a tree at about 10m.
- ScopeIIR: an Infinite Impulse Response (IIR) digital filter design tool for Windows. It designs high-order IIR filters based on analog filter prototypes, and can design lowpass, highpass, bandpass, and bandstop filters.
811 Linear Amplifier project
- A lower power desktop linear with integrated 120vac power supply. This, very compact, dual 811 version will deliver about 300 watts output. Covers all bands including WARC bands.