My Red Pitaya failed recently after about 2 years of occasional use. It’s probably a 3.3V power regulator fault but the Red Pitaya team won’t supply component details and don’t have a repair option! So that’s £250 gone and not[…]Click to read more..
I’ve had Spy Server working very successfully with the Pi 3 for a while now and have written a few time-saving scripts that others might find useful. These can be found in the attached zip file. Here’s a quick run[…]Click to read more..
The following audio files have been provided to support my reviews of the bhi ParaPro EQ200-DSP power amplifier with noise reduction and parametric filtering. The first recording shows an aeronautical VOLMET signal as folows: 0-20 seconds – Origian signal 20-40[…]Click to read more..
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.[…]Click to read more..
Updated 26/3/18 to correct typo in Unit file The excellent Airspy Spy Server can easily be used as a service using SYSTEMD under Linux. This is a much better way to autostart the server as it gives you the facility[…]Click to read more..
The link below will take you to a PDF copy of the slides that I used for my presentations at the 2017 RSGB Convention. Pi in the Shack-Mike Richards RSGB 2017
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[…]Click to read more..
For those reading my January 2017 Decode column, here’s a sample of a DMR repeater signal:
To automatically run a python program when the LDXE environment loads, you need to add a command to the lxsession autostart file. Here’s the process: Open the autostart file: sudo nano /home/pi/.config/lxsession/LXDE-pi/autostart Add this new line: @python yourscript.py NB: Obviously, you replace[…]Click to read more..
A friend of mine recently set me a challenge to recover 2TB of photo files from a Mac external drive that had failed. Fortunately, it was the USB to SATA converter that failed, so I could extract the bare drive[…]Click to read more..
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[…]Click to read more..
It seems the shortened MotionPie links I provided in my RadCom article are not working. I don’t know the cause of the problem yet but I’ve posted the full links below: MotionPie Download https://github.com/ccrisan/motionPie/releases SDcard Formatter https://www.sdcard.org/downloads/formatter_4/ Win32DiskImager http://sourceforge.net/projects/win32diskimager/ Sorry[…]Click to read more..