marxy's musing on technology

 The terrible RF interference I see here right across HF looks like this: But for three weekends in a row it goes off at 2:35pm local time o...

There is an update to the WSPR Watch app in the iOS App Store. The recently added signal to noise graph has changed to a line chart and if y...

A few days ago we noticed that the internet was very slow. Pinging Google's DNS 8.8.8.8 showed about 20% ping loss. I logged in to the T...

When I bought this Mac mini (2018) it was used with a permanent ethernet connection and all was well. It's only now that we're in a ...

This week, to coincide with the 75th anniversary of the war in the Pacific, we talked about some of the technologies that were developed in ...

Last Friday I watched an excellent presentation given at the EMDRC by old friend Chris Long, VK3AML. You can see it here: EasyPal is softw...

Update: Now approved in Australia . Recently I’ve experienced some unusual heart rhythms and was referred to a cardiologist by my GP. The ra...

From time to time I see terrible interference right across HF and even up to VHF here. Sometimes it comes on for under ten minutes and whil...

I've just updated the iOS and macOS app WSPR Watch to include a new graph of signal to noise ratios. So far I'm not seeing any usefu...

The back yard in our new house is very small and there is an intermittent interference source that has plagued me since setting up here. Ph...

I was pretty depressed about the terrible interference on 40m here during the week. Happily on Saturday it stopped. My hope is that either ...

This weekend I'm a guest again on ABC RN's Download this Show which is largely created by fabulous Marc Fennell. Due to the pandemic...

I've got a good antenna for VHF and UHF so it's time to get something going for HF. Unfortunately, a dipole in the back yard is pic...

Rather than reading the instructions and using an Android phone - which I’m sure is the optimum experience - I’m reviewing the new Google ...