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Home / Author: Mike Richards

Author: Mike Richards

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..

Posted on 15th June 202215th June 2022 by Mike Richards — Leave a comment

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..

Posted on 10th May 202210th May 2022 by Mike Richards — Leave a comment

Raspberry Pi (Bullseye)- Building WSJT-X 2.5.4 from source

Completely rewritten 21st March, 2022Updated 25th March, 2022 – to correct typos in prerequisites My previous post on this topic had a few errors so I’ve just rewritten the entire post.The WSJT-X Pi binaries are currently only available for the[…]Click to read more..

Posted on 16th January 202228th March 2022 by Mike Richards — 25 Comments

WSJT-X 2.3 – Transmit Audio Failure with PiOS

Thanks to a report from John, GM0WRR, I have identified a problem with WSJT-X 2.3 and the use of PulseAudio on the Raspberry Pi. When setting the input and output soundcard you would normally set both to pulse. However, if[…]Click to read more..

Posted on 19th March 2021 by Mike Richards — 5 Comments

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..

Posted on 8th June 20228th June 2022 by Mike Richards — Leave a comment

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..

Posted on 28th April 202228th April 2022 by Mike Richards — Leave a comment

SimSmith on the Raspberry Pi

Anyone using a VNA in the workshop will find SimSmith an excellent tool. By combining the analysis of S parameters from a VNA with a circuit simulator, SimSmith becomes a powerful tool for designing matching circuits. In this post, I’ll[…]Click to read more..

Posted on 13th May 2021 by Mike Richards — Leave a comment

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..

Posted on 21st May 202221st May 2022 by Mike Richards — Leave a comment

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..

Posted on 22nd February 202222nd February 2022 by Mike Richards — Leave a comment

NanoVNA Saver on the Raspberry Pi

NanoVNA Saver is an excellent package that provides a host of useful featuers for owners of the NanoVNA V1 and V2. When looking around the Internet for Pi installation instructions, I found several conflicting and out-of-date posts, so decided to[…]Click to read more..

Posted on 13th May 2021 by Mike Richards — 17 Comments

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