Buildathon at RSGB Convention 2019

The Buildathon on Saturday evening is a little different. Presented as an alternative to the Gala Dinner, those attending the Buildathon get a hot & cold buffet and an evening of surface mount construction. The event includes the food and also the SMD Sudden 2, a 40m direct conversion receiver made and supplied by Kanga Products UK. All necessary equipment will be provided and there’s a helpful team of volunteers to assist you through the build.

The RSGB Convention takes place in Milton Keynes from the 11th to the 13th of October 2019.

For more info, to book your Buildathon place, weekend packages or day tickets, go to

Early Bird discounts have been extended until the 1st of September 2019.

Radio Spectrum Management Traces an Activated Unregistered Personal Locator Beacon

Radio Spectrum Management Traces an Activated Unregistered Personal Locator Beacon

Recently, the Rescue Coordination Centre (RCC) in New Zealand asked RSM for help locating an unregistered Personal Locator Beacon (PLB)*. The PLB was successfully located due to the capability of the RSM compliance team.

The beacon was thought to be obscured from the sky, as satellite passes were occurring without detection. The RCC gave the PLB fix a tolerance of +/- 6 nautical miles (10.8 kilometres). Aircraft were not hearing the homing signal on 121.5 MHz (that the PLB also transmits on) – despite being close to an airport.

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The Internet’s Impact on International Radio

Many broadcasters saved money by moving from high-power shortwave transmissions to the web. But at what cost?

During the height of the Cold War (1947–1991), the shortwave radio bands were alive with international state-run broadcasters; transmitting their respective views in multiple languages to listeners around the globe.

In the seeming peace that followed, many governments no longer saw the sense in spending millions on multi-megawatt transmitters and vast antenna farms to keep broadcasting their messages globally.

Article by James Careless -