Albury Wodonga Amateur Radio Club
A friendly group of amateur radio enthusiasts
Once upon a time… It has taken me at least a year of deliberating on this subject as I had a number of considerations to take on board that took a while to decide but eventually I got there. Read on.. What were my shack objectives in the motor-home?Not destroy the motor-home with holes everywhere! At the same time everything […]
Read moreConcept: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 January 19 2024 the Albury Wodonga Amateur Radio Club supported the event as safety and radio stations along the course which is 66 kilometres in length. It follows the Alpine walking track. The club had 13 locations along the course with 18 operators and partners helping. Nigel assembled our portable VK3RWI 147.225 repeater + cross band 146.550 2mtr installation […]
Read moreThe following PDF article is a collection from various internet sites compiled by MH VK2JMJ. The target is to costruct a free standing side mounted folded dipole that could also be used on a boom for a Yagi.At a centre frequency of 146.000 Mhz and interfacing 50 Ohms coax into a folded dipole. For full PDF article click here> Thanks […]
Read moreWhy not use the VNA instead of a tape measure? Mount the driven element’s water proofing box and the mechanical restraints to hold the two 1/4 wave elements securely in position on the boom… Click here to download the full PDF article>
Read moreThe club’s old portable repeater developed an intermittent problem so we’ve decided to replace it using slightly more modern technology. After a generous and appreciated donation by VK3TIM of the key parts for our new repeater, the new system is almost complete.
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 more80M transmission dropping out the NBN by VK2JMJ, Albury. August 2021. Michael HarveyThe situation: I use a fibre to the node type NBN service, (ie: old twisted cable pair from the house to the node at the green box, just down the street) with a speed test result ranging from… download full PDF article here>
Read moreMain tower / antenna installed and the boys are making measurements and testing. Thanks to Rob VK2FAAA for the below photos which were taken on 30th August 2020
Read moreGood morning! Here is a link for people to look at what is happening with the repeater equipment.https://aprs.fi/telemetry/VK2RAY Submitted by Erwin – VK3ERW
Read moreErwin checks the 70cm cavities before we bring up the repeater on it’s new frequencies. We replaced the network cable, power injection system. Replaced and rerouted the microwave link cabling, moved the LV dc switching, mounted the ethernet switch, added battery temperature compensation, added a dedicated battery sense wire for the charge controller and did some improvements to the telemetry […]
Read moreHi to all. As we are trying to keep with the environment where I live as in I am unable to erect an antenna outdoors, I decided to use this little J pole antenna tuned for 70 cm. As you can see we turned it into what I call a Plantana and the SW are a spot on and it’s […]
Read moreYesterday we got all the top hat sections cut and attached and the sheets back on. Lots more work on the telemetry, monitoring and power control side. Ron, Erwin and I deferred from yesterday to today due to weather. Of course the wind went from negligible to problematic as soon as we started to handle the colourbond sheets!Ross – VK2DGY
Read moreMore on VK2RAY relocation activity. 13th July – Garoni’s truck arrived at 9:15 am and we had the container in place at Ross’ place by 10:30 am. Photos 1 – 4 – The whole operation went exactly as planned and was completed just before the rain set in. Over the next few weeks we’ll reinstall the solar panels, then rebuild […]
Read moreSome of you may have noticed a brief VK2RAY repeater outage on Wednesday. Due to unforeseen circumstances we were required to replace the IRLP hardware for VK2RAY linked repeater system on Wednesday 15 July. New logic and filter boards were hurriedly assembled and installed, without any opportunity to test, tweak or adjust. As a result, there was a slight tone […]
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