Digital transformation is fuelling weak signals communication

Marconi may be the big name when talking about the development of radio at the beginning of the previous century, but several radio amateurs have made their mark in the history of communication. One of them is Joseph Taylor, a farm lad from Philadelphia in the USA who is today leading the digital transformation of […]

Exploring long distance VHF communication

During the years in the eleven-year cycle with high sunspot numbers, we have often seen the maximum usable frequency rising above 145 MHz and resultant very high frequency (VHF) long distance (DX) contacts being made over distances in excess of 3000 km. This, however, does not mean that during the rest the 11-year cycle DX […]

A simple satellite antenna that took South Africa by storm

When South Africa was invited to host the International Amateur Radio Union’s Youngsters on The Air (YOTA 2018) summer event there were several challenges. The main one was: What could South Africa offer young people, aged between 16 and 25, coming from all over Europe and Africa that was different and something they had not […]

Young, international radio amateurs gather in South Africa

From around the world, 70 young and budding radio amateurs recently gathered in South Africa for a week-long Youngsters On The Air (YOTA) technology immersion event from 8 to 15 August 2018. While South Africa may be at the southern tip of the African continent, for that week it was viewed as the the centre […]

Solar eclipse and propagation: More questions than answers for now

In August 2017 more than 600 000 radio amateurs, mainly in the USA, took part in a Solar Eclipse QSO Party (SEQP) in a coordinated initiative to research the possible influences of an eclipse of the sun on radio propagation. The solar eclipse caused a shadow of the moon traversing the USA from Oregon to South […]