The following links contain the audio recording and the Excel spreadsheet used for my WSJT-X vs JTDX comparison. The following link will download the audio file (WAV format) used for the performance comparison. This was recorded in the late afternoon[…]Click to read more..
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Test files for the FT-8 performance comparison.
In the August Data Modes column in PW I will be comparing the decoding performance of WSJT-X, JTDX, MSHV and WSJT-Z. For those that want to run similar tests, I’ve uploaded my test files to DropBox and they are available[…]Click to read more..
GoPro Hero 10 WebCam on Windows 11
Having recently changed to a GoPro Hero 10, I was disappointed to find that the GoPro WebCam application doesn’t work on Windows 11. This is a driver problem that GoPro has yet to fix. Fortunately, there’s a quick fix that[…]Click to read more..
Troubleshooting systemd Services
Raspbian, like most Linux distributions, has changed to using systemd as the primary software suite to control the Linux system. Part of systemd’s responsibilities include running the services that provide much of the Linux functionality. Systemd is also the ideal[…]Click to read more..
Use Raspberry Pi Imager to burn zip file images
The excellent Raspberry Pi Imager software is ideal for burning zipped operating system images to a SD card or hard drive. There’s no need to unzip the file as Imager does it for you. Here’s the step-by-step process: Download the[…]Click to read more..
Raspberry Pi Unreliable WiFi & Power Saving
When using the Raspberry Pi over marginal Wi-Fi links I have experienced problems with the Pi dropping the network entirely. When that happens the only fix is a reboot. After much searching, it would appear that the Wi-Fi power save[…]Click to read more..
Installing Unsigned Drivers on Windows 10 or 11
There may be occasions where you need to install unsigned drivers on a Windows PC. This can be achieved using several methods, but my recommended technique is to temporarily disable the Windows driver signing enforcement. This is easy to do[…]Click to read more..
FLDIGI fails to start with a fatal error
I recently has a case where one of my Austrian customers was using my Data Modes card but couldn’t start FLDIGI. When starting from the desktop, FLDIGI would show no response. When started from the command line, it would fail[…]Click to read more..
Reset Admin password for Zabbix web server
Zabbix is an excellent monitoring tool for larger computer networks but there are times when the Admin password needs to be reset. Fortunately, this is easy to do with the following steps: Open Mysql or whatever database you are using.[…]Click to read more..
Front & rear panel graphics for the NanoKeyer
The NanoKeyer by Oscar, DJ0MY is an excellent project for which Oscar can supply blank PCBs. These are designed to fit in a Fischer case, which is, unfortunately, not available in the UK. However, there is a smaller alternative Fischer[…]Click to read more..
Raspberry Pi MotioneyeOS with BlueIris Security
The MotioneyeOS image for the Raspberry Pi makes a great, stand-alone, security camera or a wildlife camera. However, I wanted to be able to use the video stream as part my BlueIris video surveilance system. After much searching, I found[…]Click to read more..
Unstable Raspberry Pi – Taming the Power Supply
I frequently get asked to help with, seemingly random, behaviour of the Raspberry Pi. By far the most common cause is the power supply. Whilst the use of a USB socket for the power supply connection is very convenient, it[…]Click to read more..