marxy's musing on technology

A bit of feedback from some WSPR Watch users has prompted a bit of work on the app. Recent updates have added and then improved the graph...

Intrigued by the ZachTek pocket WSPR transmitter Peter, VK3YE, has reviewed , I wondered if I could get a simple beacon going using just an...

There's a new version of the iOS WSPR Watch app coming out today. Encouraged by some enthusiastic WSPR watchers, I've done some wor...

The Department of Communications and the Arts' Review of Australian Broadcasting in the Asia Pacific has published the 433 formal sub...

I've tinkered with machine learning in the past using TensorFlow but wanted to try Apple's tools which are extremely simple to use b...

After visiting Dorrigo several times I finally remembered to drop in and purchase (for $1) a copy of the hot-metal typeset "Don Dorrigo...

After re-building the inside of the van to replace the double bed with a single bed/couch facing a long bench with shelves, I've taken...

This week we dispensed with a lecture format at the ARNSW Home Brew Group meeting and just went with show and tell. Actually it worked o...

In recent years I've worked on and submitted many iOS apps to the Apple app store, but today, I've submitted my first app to the m...

This morning I thought I'd listen to the ARNSW Sunday broadcast on a Mac using an RTL-SDR dongle, just for a change. First I tried my ...

Yesterday we held another QRP By the Harbour meetup in Sydney at McIlwaine Park, Rhodes. A small friendly group turned up and happily the ...

Just watched an entertaining 2009 TV program called "Micro Men" that tells the story of the early days of personal computers in ...

Great news! In a foreign policy speech yesterday opposition leader Bill Shorten gave the Pacific a priority it hasn't had in decades...

The van, as it came when I bought it, was built for sleeping and not much more. The whole back of it was filled with a double bed sprin...

A friend, who doesn't use iCloud, asked me how to export the Notes on an iPhone. Searching around I found that the way to do this is to ...

The ultra-low cost CW HF transceivers you see on eBay such as the Pixie and Frog Sounds kits are great fun and certainly value for money. ...

On the latest trip north in the van I took along an awning tent that was on sale at Aldi recently for $190. It's quite good quality bu...