VK3HZ Radio Site

XRef - The Precision Frequency Reference for your Radio.  Details HERE

Guy Fletcher (VK2KU) Gridsquares Table

An unofficial tally of gridsquares for VK/ZL stations.

"VHF/UHF - An Expanding World" Archive

The "VHF/UHF - An Expanding World" column appears monthly in Amateur Radio magazine, the journal of the Wireless Institute of Australia

Aircraft Enhanced Propagation

24 GHz Propagation Tests

VK7MO and VK3HZ have commenced propagation tests on 24 GHz. A report on these tests together with a series of spreadsheets developed to aid in the planning and analysis of the testing are linked below.

Rig Locking

These articles provide step-by-step instructions for modifying a rig to use an external Reference oscillator.

Presentations from GippsTech 2008 giving modification details for other rigs.

VHF/UHF Amplifier Articles

Yaesu FT-817 Transverter/PA Interface

A multiband transverter interface / PA controller for the FT-817 using a PICAXE.

USB Rig Interface

A simple USB interface for audio and rig control