Albury Wodonga Amateur Radio Club
A friendly group of amateur radio enthusiasts
Concept:Experiment with the design concepts and theory of the high gain vertical for UHF. A dipole is a 1/2 wave.Theory:A radio frequency energy is the same as light energy, travelling in a magnetic and electrical wave shape, 90 degree separated… Download the full PDF article here> Created by VK2JMJ
Read moreOn the 16th July 2023 VK2EXA Greg made contact with VK3YE Peter who’s POTA park station was at Seaford Wetlands Reserve out of Melbourne. The contact was made at Peter’s end from his Solderless Breadboard ATU. The video is about 27 minutes in duration. In the YouTube video Peter describes how a handful of capacitors and inductors can form an […]
Read moreMichael Harvey VK2JMJ December 2021 Theory: Antennas are basically a resonant element in the sky. That resonance can be obtained by a natural RF length or wavelength of wire. That length can be physically shortened or made to look longer at RF by adding inductance in that length. A combination of inductance and capacitance makes the element resonate. Read the […]
Read moreAnother successful Antenna Project from Rob!I want to share with my fellow Ham guys another successful antenna build for 70 cm the VSWR is less than 1.3:1. The only thing for me to do now is to polish the brass construction and coated and a clear sealant most pleased I am. I also wish to add everything except for the […]
Read moreWell this is my latest creation with help from Ross VK2DGY and Lloyd VK2KNS. The rod is an old fishing rod with all the fishing bits and pieces chucked off. Everything is been made by hand the only thing now to do is to check it for tuning. I must say that’s the scary part. It will work or it […]
Read moreUpdate! As you can see I’ve done some fancy work to my halo antenna as it’s now blue. There is also a photo of the metre showing how well it has been tuned with the help of the boys at the club meeting. Very much appreciated. Rob VK2MGM Some photos of Rob VK2MGM tuning his new Halo Antenna for 2 […]
Read moreA fun little project I did over a couple of days was making this little 6 element yagi for 70cm. There are so many designs and ways one can do this so after some reading of different designsand measurements I came up with this (photos below). I decided to go for a dipole driven element fed by a “Bazooka Balun”. […]
Read moreThe Portsdown Digital Amateur Television Project. This document covers the general layout, construction, assembly and setting up of Portsdown Digital Amateur TV system. Before starting in DATV it is highly recommended you read this document in its entirety to understand how the system operates and which hardware you will need. Download the PDF document>
Read moreAn issue confronting Raspberry Pi users is SD card corruption due do improper system shutdown. Ordinarily before removing power from the Raspberry Pi, one should execute the “sudo shutdown -h” Simple routine can be incorporated into the system, sensing either an operator shutdown or a power failure. Read the full PDF article here> Thanks to Rob VK2YMU for submitting this […]
Read moreIf you have had a look at the cost of a commercial BALUN, you will question if it’s worth the effort to make your own… it IS! Read the PDF article here>
Read moreRecently Rob VK2FAAA found himself with a few minutes to fill in. So he decided to make up a two metre quarter wave antenna. He scratched around in his shed and came up with the lid of an old barbecue which he used as the base. For the antenna he used old copper tubing that was laying around. The SWR […]
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