VK2RAY relocated!

Over the weekend some hardworking AWAR volunteers finalised relocating VK2RAY, from Lake Hume to Red Light Hill in Lavington. Below are photos taken by Ross VK2DGY of the successful transfer of the container/RAY. Photos should be self-explanatory but you’ll see the container being loaded onto the truck and then unloaded at Red Light Hill. Below is a quote from Ross; […]

Read more

The Complete Portsdown System

The 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 more

When the internet goes down…

Interesting Engineering: When the Internet and Cell Phone Networks Go Down, Amateur Radio Operators Step Up. Click this link to read this interesting article published in the USA: Interesting Engineering: When the Internet and Cell Phone Networks Go Down, Amateur Radio Operators Step Up

Read more

Raspberry Pi Power Supply

An 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 more

The Moxon Rectangle

In the now defunct magazine Radio and Communications July 1999 issue, an article appeared about HF Moxon antenna. As incredible as these claims may seem , I have made a Moxon Rectangle and it seems to doall that was claimed for it… Read the PDF article> Thanks to VK2YMU ROB for submitting this article.

Read more

IRLP Node for Raspberry Pi

IRLP Node for Raspberry Pi – The motivation behind this new NODE design was driven by the cost of purchasing fromthe developer (David Cameron (VE7LTD), to be a very expensive exercise, due to ourexchange rate… Read full article PDF download> Article kindly submitted by Robert Campiciano – VK2YMU

Read more

VK2RWB (Yarrawonga)

The repeater had works done to improve the range, many thanks to all those who did the heavy lifting. The repeater can is now workable way past Corowa going east towards Albury, no exact coverage map exists presently. So any reports will be useful. The repeater is linked with connectivity to many parts of West Victoria, including Mitcham in Melbourne […]

Read more

Two excellent reads

NVIS This interesting article taken from hamradioschool.com shows the relationship of height verses propagation angle. To read the full article, click here: Australian Amateur Call Signs Australian Amateur Radio Call Signs A history overview The current series of Australian Amateur Radio Call Signs may seem baffling but looking back at the way in which our call signs have evolved shows […]

Read more

Quarter wave antenna – from junk

Recently 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 […]

Read more

Understanding modern digital modulation techniques

Understanding modern digital modulation techniques Fundamental to all wireless communications is modulation, the process of impressing the data to be transmitted on the radio carrier. Most wireless transmissions today are digital, and with the limited spectrum available, the type of modulation is more critical than it has ever been. Read the full PDF article here: Source: Electronic Design. Lou Frenzel […]

Read more

Digital Voice Radio

Digital Voice Radio just became a lot easier “In the not so distant past”Sounds like the preamble of a book or movie. If you, are about to make the move into digital radio, you will be presented with choices, these will have an impact on your pocket and whom you will be able to talk to. Looking for what gives […]

Read more
1 2 3