Page 19 - Issue 2 2023
P. 19

AMATEUR RADIO


          Lack of recognition impedes amateur


                radio’s contribution to technology





                                             By Hans van de Groenendaal ZS6AKV





              mateur radio has stood the test   by techno hobbyists in their garages and in joint ventures with students in university
              of time. After a century it is   laboratories. It is ironic that, as happened at the dawn of radio when radio amateurs
        Astill around and has even made      showed that shortwaves could provide world-wide communication, radio amateurs
        inroads into the makers community    proved to the world the benefits of low earth orbits where today, thousands of satellites
        mainly because of its access to technology   orbit to provide internet services, power GPS and weather satellites.
        and spectrum.   Essentially, amateur
        radio is a technical hobby or the better   First Geostationary Amateur Satellite
        description of it is a techno pastime. Over   A few years ago, the Qatar amateur radio society was able to negotiate a free launch
        the past hundred or so years, personal   opportunity into a geostationary orbit aboard Es’hail- 2. The satellite features 24 Ku-
        communication became a strong focus,   band and 11 Ka-band transponders to provide direct broadcasting services for television,
        then a competitive element made its   government and commercial content distribution. The payload of Es’hail 2 also includes a
        appearance and then disaster and     linear transponder with a bandwidth of 500 kHz and 8 MHz for the amateur radio satellite
        emergency communication was added to   service, with uplinks on 2.4 GHz (13-cm band) and downlinks on 10.45 GHz (3-cm band).
        the focus as a service to the community.   The German AMSAT organisation built the transponder and installed ground control
        All of these are still strong elements that   stations in Germany and Qatar.  The amateur payload was given the designation of Qatar
        make up amateur radio today.         OSCAR 100. (OQ100) and provides coverage over Africa, Europe and the Near East. The
           The development of the internet and   bandwidth is split into a narrow band operation and wide band TV operation.  QO100
        mobile communication influenced the   opened up new experimentation territories developing sophisticated microwave receivers
        amateur radio landscape, not as predicted   and transmitter.
        - its demise - but rather with a strong new   These few examples show clearly that there is an informal sector of experimenters and
        focus on technology and experimentation;   developers who make contributions to enhancing technology, adding to their countries’
        one could say a complete turnaround back   intellectual capital. Another interesting statistic is that the countries that have the largest
        to its roots! Both the internet and mobile   amateur radio community also host the largest technology companies.
        communication added new dynamics,       One of the main stumbling blocks in amateur radio, impeding its ongoing involvement
        opening new opportunities. By harnessing   in technology development, is lack of recognition by governments and industry of the
        these technologies, a new pathway    contribution amateur radio has made and is making to technology development. Amateur
        opened, placing amateur radio in the   radio is seldom recognised in official documents and is not well understood at government
        middle of digital transformation.    level, be it at an administrative or political level.  This makes it very difficult to obtain
           Radio amateurs were amongst the   funding for technology projects.
        first to use VoIP to create a network that
        enabled local VHF repeater stations to
        connect people worldwide, providing
        communication using a simple VHF
        handheld radio. The only requirement was
        a valid amateur radio licence.
           Over a hundred amateur radio
        satellites, designed and built by radio
        amateurs, have been launched since the
        Russians stunned the world with the
        launch of Sputnik in 1957.  These amateur
        radio satellites range from simple analogue
        repeaters to complex digital structures.
           Amateur radio satellites are built   Anton Janovsky ZR6AIC, principal architect of AfriCUBE in his home workshop


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