marxy's musing on technology

If you can get to the Australian Broadcasting Corporation's Ultimo Sydney building there is a wonderful display of historical equipment ...

Checking out the antenna with a model helicopter, no it seems that antenna wires draw in helicopters due to some sort of, as yet, explained ...

While there are several decent but very low cost VHF/UHF rigs out of China so far this is the first HF transceiver I've come across. For...

Each morning I travel to work by bus. Mal, VK2BMS, drew my attention to an interesting antenna that is visible on the left as you start on t...

We headed for a local park armed with two model helicopters, one traditional, the other was a Parrot AR drone version 2. The difference is a...

Ross, VK1UN (and several others) writes: G'dday Peter, Yesterday afternoon, I finally got the Digital SWR/power meter kit from Radio-...

We've had very big winds here in Sydney over the past 24 hours. The half G5RV between tree and house broke at the centre insulator due ...

Stephen wrote: "I fired up a SDR board, not sure whose circuit I used, very similar to YU1LM. The oscillator is a 28322 osc block, so i...

A great meeting today at Dural. Perhaps it was the weather but the biggest turn out I think I've seen. The topic of the day was swi...

Today I roughed up a cable to get on air with WSPR and the new KX3 via a Signalink USB. Ground, PTT and audio are wired from the RJ45 p...

If you have an iPhone and are interested in all things Australian, including news, sport, learning English and Radio Australia then you migh...

We are regular users of the ABC iView service. Combined with an Apple TV, Boxee, or other AirPlay capable TV device, this is the best wa...

I recently purchased the nice box for the Ensemble RXTX from the KM5H store and it does make it into a very professional looking little so...

I keep getting these emails: I click No. So, why are you sending these messages? Then when I try to leave the page "flipora...

Patrick, VK2PN , received his Elecraft KX3 kit, quickly constructed it and we had a contact which we recorded on both ends. While I...

The Elecraft KX3 serial number 371 arrived this morning. First contact was with Patrick, VK2PN, who immediately drove over, delivered a cong...

A raspberry pi finally arrived. Amazing embedded linux platform for very little money. I'm not really interested in using it to dr...

I am working but a distraction dropped in. And in a park. I recently bought a tiny key fob shaped "spy" camera which we p...

If you use the WSPR propagation beacon system and frequently visit wsprnet.org to see who is reporting your signal, I'm pleased to ann...

Today I've had the pleasure of attending the One more thing conference in Melbourne. I can't praise the organisers highly enou...