marxy's musing on technology

There's a nicely put together rtf-sdr receiver box available on Ebay from China for about AU$45 with the direct sampling modification...

I still miss Google Reader which went away in 2013. It was an efficient way to catch up on all the RSS/Atom news feeds I subscribe to in a...

The QRPver is a US$80 1W QRP transceiver that is perfect for running digital modes such as PSK31. It connects to a computer via analog au...

Ubuntu has been great for me over about the last ten years. Prior to that I was a RedHat/Fedora user but when I joined a company that was ...

Fantastic to see Chinese ham radio gear for HF increasingly appearing. This one " RS-918SSB HF SDR Transceiver " caught my eye b...

Just for fun I tried receiving WSPR on 6m. I'm using a half G5RV but at the end of a long run of RG58 so losses at 50MHz are likely to...

This works. $ rtl_fm -o 4 -A lut -s 22050 -f 148.137M - | multimon-ng -t raw -a POCSAG512 -a POCSAG1200 -a POCSAG2400 -f alpha /dev/stdin ...

USB-C is clearly the future of desktop peripheral connection and it's great to see products appearing that leverage this new plug. I p...

I was very impressed by Peter, VK2AQJ's method for standing up a squid pole for supporting his portable antenna and decided to reproduce...

Inspired by Peter, VK3YE's famous "QRP by the bay" events, we decided to try a Sydney equivalent titled "QRP by the ha...

My spot on ABC Radio National about the WikiLeaks CIA hacking revelations .

This morning's radio spot with Fran Kelly on ABC RN .

The predicted rain held off this year and it was great conditions for the annual Wyong Amateur Radio field day . As always the ARNSW Ho...

A friend I visited recently was having trouble with his computer which turned out to be an old tower machine running Windows XP connecte...