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..
Author: Mike Richards
Cypress – Super-Cheap PSoC Development Boards
Cypress have recently introduced a new range of PSoC 4 development boards that are well worth a look Based on the 4100 and 4200 series of PSoC devices they feature a powerful Cortex M0 processor, include a programmer and are[…]Click to read more..
UKHASnet Update
One of the highlights of the 2014 RSGB Convention for me was the opportunity to meet James Coxon and see his presentation on the formation and development of UKHASnet. For those that haven’t come across it, UKHASnet is a relatively[…]Click to read more..
Android Decoding Software
Readers of my regular columns will know that I’ve recently been promoting the use of smartphones and tablets for decoding all manner of data signals. For Android based listeners the software from Wolphi LLC comes highly recommended. I have downloaded[…]Click to read more..
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..
UKHASnet Arduino Stripboard Nodes – Radio User Readers
In my last Decode column I gave details of the UKHASnet network along with links on how to build your own super cheap nodes and start experimenting. Having spent some time playing with these I have a few tips that[…]Click to read more..
Radio User bhi Noise Elimination Review Sound Files
Here you will find a selection of sound files illustrating the noise elimination potential of the new bhi Dual In-Line and Compact In-Line units. For more information or to order, please visit the bhi web site. The sound samples were made by[…]Click to read more..
Airspy – New Generation SDR Receiver
I’ve just completed reviewing the new Airspy SDR receiver and can tell you that it’s a very good little receiver that I’m sure will prove very popular. You can see full details in the next Radio User magazine. Coverage is 24MHz[…]Click to read more..
Raspberry Pi Mains Switching
Pi-mote Controlling mains powered devices with the Raspberry Pi has always been a problem and one that I’ve previously handled by using relays to isolate the Pi from the mains. However, I’ve recently discovered a much neater solution from the[…]Click to read more..
bhi Dual In Line Noise Elimination – Sample Files
Having recently reviewed the new bhi Dual In Line Noise Elimination module for RadCom I have posted audio recordings of the DIL’s noise reduction performance below. The recordings were made by replaying an IQ recording of part of the 14MHz[…]Click to read more..