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Home / Radio Notes

Category: Radio Notes

Installing & upgrading CQRLOG on a Raspberry Pi

Updated 17 July 2020 to add missing wildcards from the apt install line! CQRLOG is one of the most complete contact logging programs for Linux and the Raspberry Pi, but building the latest version from source can be problematic. In[…]Click to read more..

Posted on 14th July 202017th July 2020 by Mike Richards — 8 Comments

Airspy – Spy Server – Useful scripts

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 zip file below. Here’s a quick run[…]Click to read more..

Posted on 3rd August 201724th July 2018 by Mike Richards — Leave a comment

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[…]Click to read more..

Posted on 7th May 20167th May 2016 by Mike Richards — Leave a comment

Arduino Code for 0-500MHz, 1nW to 100W RF Power Meter

Here is the code for the Arduino in-line power meter that will feature in my Data Modes column in the August PW. Copy and paste the code below into your Arduino IDE: ————————————————————————————————————————– /* This sketch uses the Adafruit i2c/SPI[…]Click to read more..

Posted on 12th June 20153rd July 2015 by Mike Richards — 17 Comments

Raspberry Pi – Transfer WSJT-X, JS8Call and FLDIGI settings to a new image

Several customers have asked me how they can move their settings and macros from one Pi image to another. This post attempts to simplify the process. To preserve your settings, you just need to copy a few files from the[…]Click to read more..

Posted on 3rd May 2019 by Mike Richards — 2 Comments

Running SpyServer on a Raspberry Pi-3

*UPDATED 31st October 2018: A few typos corrected and instructions updated for Stretch. Also made amendments for Airspy-Mini receiver. NB: Spy Server is undergoing active development so it’s important to regularly update both Spy Server and SDR Sharp. Introduction SpyServer[…]Click to read more..

Posted on 25th May 201731st October 2018 by Mike Richards — 58 Comments

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[…]Click to read more..

Posted on 7th May 20167th May 2016 by Mike Richards — Leave a comment

Raspberry Pi – Auto-Start rtl-sdr Server

  Raspberry Pi Tips Auto-Starting rtl_tcp during boot To avoid having to use ssh to access the Pi and start the rtl_tcp stream, we can hook into the rc.local script to automatically start the server if an IP address is available[…]Click to read more..

Posted on 21st February 201529th September 2015 by Mike Richards — 4 Comments

Raspberry Pi – Multiple Instances of RTLSDR as a Service

My Raspberry Pi RTL Dongle server cards run the server as a service under systemd. This has several benefits including a better-defined start and the facility to stop/restart a service gracefully. One of my customer recently asked if it was[…]Click to read more..

Posted on 6th March 20196th March 2019 by Mike Richards — 1 Comment

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/  

Posted on 8th October 2016 by Mike Richards — Leave a comment

Using the Raspberry Pi as an RTL-SDR dongle Server

Installing RTL SDR Software NB: UPDATED 20 July 2018 Added copy command for udev rules Amended required packages to include git and libusb-1.0.0-dev Manual Installation The first step is to install a few packages that are required by the RTL-SDR[…]Click to read more..

Posted on 29th September 20158th March 2019 by Mike Richards — 98 Comments

RTL-SDR Segmentation Error Solved

Solving the rtl-sdr Segmentation Error on Raspbian (16-2-2015) The problem appears to be caused by the 11.1 version of libusb-1.0 that is used for the current Raspbian build. Upgrading to the latest version, 19.1, solves the problem. The following procedure[…]Click to read more..

Posted on 21st February 201521st February 2015 by Mike Richards — 4 Comments

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All Pi cards updated for the new Pi-400 using the latest Raspberry Pi OS! Dismiss