marxy's musing on technology

Over the past few weekends I've been building VK3YE's " Knobless wonder " a fixed frequency SSB transceiver for 40m. It...

It's been a great pleasure working with the ABC TV rage team, a wonderful graphic designer and producers to do an update of the popul...

Many of us work inside fire walled networks where virtually all ports are blocked and web traffic goes through an annoying proxy server. A V...

Please be advised of the second Radio Australia HF test using the digital text modes MFSK and FLARQ.  Freeware fldigi will handle these a...

Peter, VK3YE , recently showed me a new home brew fixed frequency single sideband rig he dubbed the "knobless wonder". I think thi...

If you are near a radio this evening, tune in to ABC Radio National where I join host Marc Fennel and co-guest Claire Porter (from news....

You don't get much fashion advice on this blog, until now. If the M65 field jacket seems familiar, it's because Robert De Niro wor...

News of the availability of very low cost AD9850 DDS boards from China via eBay has swept the home brew radio community in recent weeks. Th...

While in Melbourne for the fabulous "One More Thing" conference this weekend I had the pleasure of breakfast with ham radio home...

Really enjoyed "One more thing" again this year in Melbourne and at the pub afterwards ran in to Luke Anear who pulled out a Goo...

On Friday I'm off to the " one more thing " iOS developer conference in Melbourne. Last year was great. At the time I was on...

Just discovered a great feature of Apple's Calendar application - you can add an appointment with a time in another time zone and it con...

In this age of information over the internet, the role of short wave broadcasting is being questioned. We thought that the internet would ki...

I'm a bit of a sucker for a cheap unix computer. In recent months I've been playing with Raspberry Pi devices but ran in to problem...

A recent presentation at the WIANSW Home Brew group about receiving on the 630m band mentioned that a very small E-Field antenna works al...

Inspired by colleague Jason Crane , I've started wearing a little clip-on bluetooth connected dongle from Fitbit . The device itself...

I'm pleased to announce that a new version of the iPhone App "WSPR Watch" is now available in the App store. New features ...

I hope I'm mistaken about this but my experiments seem to suggest that iOS downloads large files significantly slower than an Android de...

The complex and expensive national infrastructure project to create a National Broadband Network in Australia is underway. Not surprising...

Two excellent talks at the ARNSW Home Brew Group meeting today. The main talk was by Nick, VK2DX, who talked about getting on the 630 meter ...