| Eimac | Use of triode connected tetrodes as grounded grid amplifiers |
| Silver Mica Capacitors | The RF properties of Silver Mica / SM capacitors |
| Electrolytic Capacitors | Information/tutorial sheet from Philips on the subject of Electrolytic Capacitors |
| ACMA - Interference | List of links to ACMA pages regarding interference. |
| Valve Bank | Many hard to get valves are available from Graham Dicker's valve bank. This is a free service to financial AHARS members |
| Callsign Lookup VK | Look up callsigns in Australia (ACMA) |
| Callsign Lookup Intl. | Look up international callsign (QRZ) |
| Valve Reference | Vacuum Tube online reference books (courtesy Leigh VK5KLT) |
| CCD Antennas | Controlled Current Distribution full wave dipoles (have a look) (courtesy Leigh VK5KLT) |
| Repeaters | Repeater data (WIA) |
| Beacons | Beacon Data (WIA) |
| D-Star | D- Star in Australia |
| Hackaday | Lots of info on equipment modifications |
| HPSDR | High Performance Software Defined Radio |
| VKHam | Lots of amateur radio info for Australia. Includes VKHam classified adverts. |
| Wiki: VK Callsigns | Austrlian Callsigns ( a description). To check callsigns click here |
| Build a Desk Mike | Hank Prunckun VK5JAZ (VK5NCA) |
| VK5RSC | 10m FM Repeater (old website) |
| Ham Radio Secrets | US Site |
| APRS in Adelaide | APRS: Automatic Position Reporting System |
| VK5 Hybrid Radio Group | Site dedicated to maintaining hybrid (valves/transistors) Ham Tranceivers |
| CW QRP | CW Operators QRP Club |
| Transmitter Valves | Listing of most transmitter type electron tubes and hard to find Data Sheets. This is a very comprehensive list |
| CV Tube Listings | CV tube listings (rugged versions made for military and govt service) |