Posts tagged as amateur radio

Is shortwave radio something of the past?

  Before the first FM radio service was introduced in South Africa on 25 December 1961, just about every home had a radio which could tune the shortwave bands. Many people were fascinated by foreign radio stations and the various languages in which they were broadcasting. The BBC, the Voice of America, Radio Nederland, Deutsche […]

Man-made pollution of radio spectrum is a growing problem

Man-made pollution of the radio spectrum is a growing problem for everyone, with radio amateurs being the first to notice its effects. The main reason is that radio amateurs work mostly with low power transmissions and weak signals which are particularly susceptible to man-made noise. In a recent editorial, Dave Sumner, CEO of the American […]

SA AMSAT CubeSat project on track

  SA AMSAT has successfully completed the first prototype of the various elements of its CubeSat project, named Kletskous. The CubeSat is being designed and built by radio amateurs and will ultimately include a 20 kHz linear transponder, extensive telemetry and command systems and selected school science projects. Kletskous measures 10 x 10x 10 cm […]

With industry support amateur radio can make engineering cool

  It is unlikely to be a coincidence that worldwide, the countries that have large electronics industries also have the largest number of  amateur radio “hams”; for example the USA, Korea and Japan. Amateur radio is the oldest scientific hobby in the world. It started with the invention of, as it was called in the […]

Bloemfontein 5 MHz beacon enhances the SARL propagation research project

  The South African Radio League (SARL) propagation research project is based on a number of automated beacons using a program called “Weak Signal Propagation Reporter” (WSPR). During July 2015 the scope of the project was greatly enhanced when a beacon was installed in Bloemfontein. For the past few months the focus was on short […]

ISS astronaut answers questions from SA learners

  It was a day they will long remember!  Learners from the Sol Plaatje primary school in Mmbatho linked up with the Italian astronaut Samantha Cristoforetti  on the International Space Station (ISS) via a link established  by an radio amateur ground station on Saturday 2 May 2015. Commander Cristoforetti is spending almost six months on […]

More government support is needed for amateur radio to prosper

  Government can do three things to help amateur radio in South Africa prosper.  Perhaps the most important support government can give is to understand what amateur radio is really about and how to support it. In article 1.56 of the ITU Radio Regulations amateur radio is defined as a service.  The article states: “Amateur […]

5 MHz propagation research project shows unexpected results

  Earlier this year the Independent Communications Authority of South Africa (ICASA) awarded two licences to the South African Radio League (SARL) to carry out propagation research on the 5 MHz band in preparation for the agenda item to grant radio amateurs spectrum in the 5 MHz band at the World Radio Conference to be […]