Top 10 Amateur Radio Uses for the Raspberry Pi 12

Top 10 Amateur Radio Uses for the Raspberry Pi
The Raspberry Pi has proved to be a phenomenal hit with hobbyists around the world. Originally conceived to get children into computer programming, it was quickly adopted by hobbyists due to its cheap price and GPIO output pins. Indeed, initial demand was unprecedented and supplies were limited for some time after launch and this still ...

How to Undertake a SOTA Activation – Step by Step Guide 1

How to Undertake a SOTA Activation - Step by Step Guide
Recently I’ve been shooting a number of videos for YouTube outlining the kit I use for SOTA and now I’ve done one showing how I go about activating a SOTA summit.   It’s a step by step guide to carrying out a SOTA activation in the great outdoors. It covers the set-up, spotting, operating procedure ...

Fixing the Elecraft KX3 High SWR Issue 2

Fixing the Elecraft KX3 High SWR Issue
A couple of months ago I installed the 2m Module into my Elecraft KX3 and after the install everything worked as expected, that was until I arrived at a SOTA summit only to find a really high SWR on all of the HF bands. On 40M the SWR was crazy at 99.9-1 and slightly better ...

Did I Achieve My Amateur Radio Targets for 2014? 1

Did I Achieve My Amateur Radio Targets for 2014?
At the start of 2014 I set myself several Amateur Radio targets for the year, I did this because I’d spent most of 2013 getting through the amateur radio license exams and not really getting involved in the practical side of the hobby. When I set these targets they were made public via my Amateur ...

Building the RSGB PSK31 20m Centenary Kit

Building the RSGB PSK31 20m Centenary Kit
The RSGB PSK31 Centenary Receiver kit was released to celebrate the RSGB’s 100th year centenary and to encourage construction and interest in amateur radio. These kits have been constructed in schools and are proving popular in buildathons. The kit is a relatively simple (but effective) PSK31 receiver which you can connect to your computer, Raspberry ...

My Amateur Radio Targets for 2014 3

My Amateur Radio Targets for 2014
This year i wanted to set some targets around my amateur radio activities and as a new ham there’s plenty of them. I was inspired to do this by G7AGI’s blog post outlining his plans for 2014, it just took me a month to write my own! I intend to blog around each of these ...

Power Supply Connectors for Ham Gear

Power Supply Connectors for Ham Gear
When i first became a ham one of the mysteries of the hobby was how to properly connect the bare wire transceiver power leads to the Power Supply Unit (PSU). This wasn’t something that was covered by the foundation license and was just assumed knowledge. Embarrassingly i initially just wrapped the power leads around the ...

How to construct a multi-band dipole using speaker wire 11

How to construct a multi-band dipole using speaker wire
I decided to build a multi-band dipole antenna as soon as i found out our new flat had loft access. After previously being constrained to a magnetic loop strung up in front of our living room window this was very exciting. In addition to this i even acquired an extra bedroom in which i could ...

Constructing an Ugly 1:1 RF Choke Balun 8

Constructing an Ugly 1:1 RF Choke Balun
While constructing my multi-band dipole it became apparent that an ‘Ugly Balun’ or to be more precise a 1:1 RF Choke balun would be needed. I’m cheap, so not wanting to pay for a commercial balun i decided to build my own. Why would this be needed? Well a dipole is a balanced antenna while ...