Posts tagged as radio

Why I love radio – a personal history of the medium

I grew up in a home filled with music. My parents often had the radio on for most of the day on weekends. We listened to music, news programmes, radio plays, and interviews of important people. I recall the family sitting around the radio listening to “Sunday’s world at 1 PM” catching up with what […]

@Leisure: The wonderful hobby of flying model aircraft

  With the Geomatics Indaba held at Barnstormers Model Flying Club in August 2015 becoming a historical event, it seemed appropriate to give readers and people who attended the indaba a little bit of background to the club and the sport/hobby side of flying model aircraft. Perhaps a good place to start might be to […]

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 […]

Make Space your technology partner in work and play – amateur radio will take you there

  “Amateur radio – your ticket to space communication”. This appears on the last page just before the index of the first amateur radio satellite handbook authored by Martin Davidoff, K2UBC, (published  by the ARRL in 1985). He wrote “Amateur radio by its very nature is space communication. Not only do (radio) hams bounce signals […]

29 MHz – the forgotten frequency for amateur radio satellites

  In the early days of satellites, not many years after the launch of Sputnik One in 1965, amateur satellites were designed and launched with downlinks on 29 MHz. Satellites were much larger than the present day CubeSats which only measure 10 x 10 x 10 cm and present interesting challenges for antenna  design and […]