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Amateur radio, space tech, and other nerd stuff

DX-88 SWR on 2015.11.07

Today we got the first storm warning of this season and so I went out to secure the DX-88 with 4 guy-wires. At the same time I did a new tuning round because I have noticed that some of the bands have moved since the last adjustment. This time I have managed to get 30 meters working.


The resurrected DX-88 after a few weeks

Few months ago I have decided to resurrect my 20 year old HyGain DX-88 vertical antenna again. It was a very good idea.


DX-88 resurrection

It has now been eight years since I have retired my Hy-Gain DX-88 antenna declaring it dead for good. I was standing with a broken base element for the second time and I decided not to spend any more time and money on it but try a new antenna, a Butternut HF2V covering 160, 80, 40 and 30 meters.


Is open source digital voice about to explode?

Digital voice is exploding! That's the title of HamRadioNow episode 193 where Gary KN4AQ interviews David Rowe VK5DGR, creator of Codec2 and co-author of FreeDV.


DIY remote kit for the IC-706 part 8: Improved audio client and server

In my last update I have posted a live demo of the IC-706 remote setup. This setup was using a gstreamer-based audio client and server, taking advantage of state of the art audio codec called Opus. This setup was working fine over reliable network connections; however, as soon as I got on a mobile network the simple gstreamer pipelines were no longer sufficient. So it was time to write a simple audio client and server pair that are better suited to handle network dropouts.

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