NB: UPDATED 15th June 2017 – The following issues are fixed: Wi-Fi was unavailable after upgrading to Stretch. Reduced bandwidth option stuttering – fixed by a new version of Spy Server released 14/6/17 Installing SpyServer on a Raspberry Pi 3 SpyServer is now available as a Linux app that will run on the popular and cheap Raspberry […]
137MHz Polar Orbiting Weather Satellites
In my Radio User Decode column I’ve been describing a receiving station for the NOAA polar orbiting weather satellites and in this post I’m including a few examples so you can see the station’s capabilities. All the images are taken directly from WXtoImg with no other enhancements. The station here comprises the following: QFH Antenna as […]
QFH Antenna Mast Drilling Template
Bill Sykes and Bob Cobey have produced of the best home-build designs for a weather satellite antenna on their web site at: QFH Antenna. Their instructions are easy to follow and the result is a robust QFH antenna that is tuned for the centre of the 137MHz weather satellite band. The only problem I encountered was […]
Using a ThermApp Camera with a Raspberry Pi-3
In this tutorial, I’ll show you how to install the software required to use the ThermApp thermal camera with the Pi. Once installed, you will be able to display thermal images using a standard video player such as VLC, mplayer, etc. Start with a fresh download of the latest Raspbian operating system. These instructions are based […]
Sample DMR signal
For those reading my January 2017 Decode column, here’s a sample of a DMR repeater signal:
RSGB Convention 2016 Slides
As promised at my lecture this afternoon, I have posted the slides and you can view and download themvia the following link: http://www.authorstream.com/Presentation/mikerichards1610-2936133-pi-pitaya-shack-rsgb-convention-2016/
Upgrading Ubuntu Mate to 15 to 16 on the Raspberry Pi
The Ubuntu Mate OS works very well on the Pi so is well worth a try. If you have Mate 15 already installed and want to update to the recently released Mate 16 you’ll be glad to hear that is a very simple process. To Upgrade: Open a terminal session type: sudo do-release-upgrade Answer y to the […]
Upgrading Pi-2 SD card for use with the Pi-3
Several people have asked if it’s possible to upgrade an existing Pi-2 SD card to run the on the new Pi-3. It can be done, though some of the downloads seem to take quite a long time. To achieve the upgrade you have to update both the OS and the firmware. The following process has […]
Raspberry Pi Ubuntu 15.10 Blank Screen
I’ve just wasted lots of time trying to get Ubuntu Mate 15.10 working so I could start work the WSJT-X build. No matter what I tried, I always had a blank screen. However, if I ran the card on a Pi with the new touchscreen I had a display. The cause was my screen connection. I […]
Making a Reduced Size IMG for backups or sharing
Here is a technique for creating an image of an SD card (or any other filesystem) and then reducing the size of that image to exclude unallocated space in the image file system. If you are doing this on a Raspberry Pi you will need to ensure your SD card is large enough to hold […]