South African Radio League

Last updated

South African Radio League
AbbreviationSARL
Formation1925 [1]
TypeNon-profit organisation; Amateur Radio
PurposeEducation
HeadquartersNational Amateur Radio Centre, Radiokop, Johannesburg, South Africa
KG33xv [2]
Area served
Worldwide
President
Nico van Rensburg, ZS6QL [3]
Main organ
Council [3]
Affiliations International Amateur Radio Union
Website http://www.sarl.org.za/

The South African Radio League (SARL), formerly known as the South African Radio Relay League (SARRL), is a non-profit organisation representing the interests of amateur radio enthusiasts in South Africa. The SARL advocates on behalf of its membership and all licensed amateur radio operators in South Africa as the representative of amateur radio to the South African government. This has included the promotion of deregulation and simplification of the amateur radio service, and expansion of the number of amateur radio operators in Southern Africa. The SARL publicises and promotes the role of amateur radio in society, and promotes the use of amateur radio in schools as an entry point into the fields of science and technology. The SARL publishes a magazine called Radio ZS twelve times a year. SARL is the national Member Society representing South Africa in the International Amateur Radio Union and is a Member Society in IARU Region 1.

Contents

History

The South African Radio Relay League (SARRL) was formed in 1925 through the efforts of a number of regional and local radio societies and clubs, some of which were established around the time of the First World War. At the outset, membership was limited to licensed radio experimenters capable of two-way telegraphic communication by radio. Temporary headquarters for the organisation were established at Johannesburg. The first president to be elected was Joseph White, who had earlier been the chairman of the Transvaal Radio Society.

A detailed history of the first two years of the SARRL is hard to trace because there was no regular publication of any sort. The first effort in this direction was made some time during 1927, when a fortnightly news sheet appeared under the name "F.O. News." This publication continued for about a year, but no surviving copies exist in SARL records. "QTC" was the first printed magazine issued by the organisation. The first issue was published in May 1928. The editor was R. S. Perry, A9Z and the magazine was printed in Durban.

Purpose

The objective of the SARL is to encourage, develop and promote all activities connected with Amateur Radio, wireless communications, computer science and radio science generally. The role of the SARL is to protect amateur radio frequency allocations, to promote international goodwill and understanding. The SARL also promote recognition for amateur radio in all spheres of society in South Africa. HAMNET is a division of the SARL that provide emergency communications in times of disaster by means of amateur radio.

Membership

Membership of the SARL is open to any person interested in amateur radio. Citizenship of, or residence in, South Africa is not a requirement. Unlicensed members are called "Listeners" and do not have a vote at the Annual General Meeting or any other meetings of the League. Clubs and special interest groups can become affiliated with the SARL but also do not have a vote, only individual full members do.

Services to members

The SARL web site provides an online marketplace for members to trade radio and related equipment. Members also have access to a database of assigned South African radio amateur call signs. The SARL offers South African hams an online QSL system to capture and confirm local contacts with fellow radio amateurs. The organisation offers frequent amateur radio licence examination opportunities for people interested in obtaining their amateur radio licence. The SARL encourages the full range of amateur radio service activities and facilitates reciprocal and guest licensing.

Radio ZS

Radio ZS Jul-Sep 2004 issue cover Radio ZS Jul-Sep 2004 Edition.png
Radio ZS Jul-Sep 2004 issue cover

Radio ZS is a membership journal that is included in membership with the SARL. The magazine is currently published electronically twelve times a year and issued on the last day of each month for the next month. [4] The magazine is based in Bloemfontein. [5]

The name of the magazine is derived from the radio call sign prefix block assigned to South Africa by the International Telecommunication Union. Most South African amateur radio operators have call signs that begin with the letters ZS. [4] The other call sign prefixes are ZR, ZT and ZU.

Regulatory advocacy

The SARL provides members with a channel for negotiation with the South African regulatory authority for telecommunications, the Independent Communications Authority of South Africa (ICASA). The SARL also gives members the advantage of collective representation and control in all matters affecting amateur radio. The SARL promotes and negotiates a legal and regulatory environment that acknowledges and permits the Amateur Radio Service. The SARL also advocates for access to all amateur radio bands allocated by the International Telecommunication Union (ITU) radio regulations.

Scientific and educational collaboration with other organisations

The League participates in an ionospheric research project led by the Hermanus Magnetic Observatory(HMO). The project is to study radio propagation in the 40-m band in the ionosphere.

The project entails a number of 40 milliwatt beacon transmitters at a frequency of 7.023 MHz being operated by amateurs across the country. Propagation data from these beacons is then analysed by scientists at the HMO to reveal details about the structure and behaviour of the ionosphere.

Reception data is collected from reports by other amateurs all over the country. A further educational component of the project is participation by schools.

School children equipped with sponsored simple receivers developed by the SARL, also participate in the project and send reception reports to the HMO. The receivers, supplied in kit form, provide a further educational opportunity as the children will assemble and install them with assistance from local amateur radio clubs. A fun element of the project for the learners is when schools compete to be the first to decode the "secret messages" that some of the beacons transmit.

According to Dr Lee-Anne McKinnell, the HMO Space Physics Group manager, "This project is truly a collaborative project. It will benefit the scientists, the hobbyists, and the schools". [6]

The project stalled soon after launch due to problems co-ordinating the timing of the transmitters.

Satellite projects

Through its affiliate, AMSAT SA, the League has participated in two amateur radio satellite projects; SUNSAT in collaboration with Stellenbosch University's department of electronic engineering [7] and Sumbandila which is a SunSpace project. [8] AMSAT SA started a Cubesat programme during 2011. [9]

Related Research Articles

<span class="mw-page-title-main">Ionosphere</span> Ionized part of Earths upper atmosphere

The ionosphere is the ionized part of the upper atmosphere of Earth, from about 48 km (30 mi) to 965 km (600 mi) above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on Earth. It also affects GPS signals that travel through this layer.

<span class="mw-page-title-main">Skywave</span> Propagation of radio waves beyond the radio horizon.

In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere. Since it is not limited by the curvature of the Earth, skywave propagation can be used to communicate beyond the horizon, at intercontinental distances. It is mostly used in the shortwave frequency bands.

AMSAT is a name for amateur radio satellite organizations worldwide, but in particular the Radio Amateur Satellite Corporation (AMSAT) with headquarters at Washington, D.C. AMSAT organizations design, build, arrange launches for, and then operate (command) satellites carrying amateur radio payloads, including the OSCAR series of satellites. Other informally affiliated national organizations exist, such as AMSAT Germany (AMSAT-DL) and AMSAT Japan (JAMSAT).

<span class="mw-page-title-main">Wireless Institute of Australia</span> National amateur radio society

The Wireless Institute of Australia (WIA) was formed in 1910, and is the first and oldest national amateur radio society in the world. It represents the amateur radio operators of Australia as the AR "peak body" in dealings with the Australian Communications and Media Authority (ACMA), the authority under the government of Australia that administers communications within and external to Australia. The WIA publishes a bi-monthly journal for its membership called Amateur Radio. The organisation is the national society representing Australia in the International Amateur Radio Union.

<span class="mw-page-title-main">International Amateur Radio Union</span> International confederation of organizations for amateur radio operators

The International Amateur Radio Union (IARU) is an international confederation of national organisations that allows a forum for common matters of concern to amateur radio operators worldwide, and collectively represents matters to the International Telecommunication Union (ITU). The International Amateur Radio Union was founded in 1925 and, as of July 2021, it is composed of 172 national member societies.

<span class="mw-page-title-main">Radio Amateurs of Canada</span> National association for Amateur Radio in Canada

Radio Amateurs of Canada (RAC), known in French as Radio Amateurs du Canada, is the national association for Amateur Radio in Canada. It is a not-for-profit membership association with headquarters in Ottawa, Ontario, Canada, representing the interests of Amateur Radio all across Canada. Speaking on behalf of Canadian Radio Amateurs, RAC provides liaison with government agencies and carries the Amateur voice about regulatory and spectrum issues to the discussion table with government and industry leaders, nationally and internationally.

The 2-meter amateur radio band is a portion of the VHF radio spectrum that comprises frequencies stretching from 144 MHz to 148 MHz in International Telecommunication Union region (ITU) Regions 2 and 3 and from 144 MHz to 146 MHz in ITU Region 1 . The license privileges of amateur radio operators include the use of frequencies within this band for telecommunication, usually conducted locally with a line-of-sight range of about 100 miles (160 km).

HAMSAT also known as HAMSAT INDIA, VU2SAT and VO-52 is a microsatellite weighing 42.5 kilograms (93.7 lb), providing amateur radio satellite communications services for Indian and international amateur radio operators. This satellite carries the in-orbit designation of VO-52, and is an OSCAR series satellite.

<span class="mw-page-title-main">60-meter band</span> Amateur radio frequency band

The 60-meter band or 5 MHz band is a relatively new amateur radio allocation, first introduced in 2002, that was originally only available in a few countries, such as the United States, United Kingdom, Norway, Finland, Denmark, Ireland and Iceland. Over a number of years however, an increasing proportion of countries' telecommunications administrations – together with their government and military users – have permitted Amateur Radio operation in the 5 MHz area on a short or longer-term basis, ranging from discrete channels to a frequency band allocation.

Amateur radio frequency allocation is done by national telecommunication authorities. Globally, the International Telecommunication Union (ITU) oversees how much radio spectrum is set aside for amateur radio transmissions. Individual amateur stations are free to use any frequency within authorized frequency ranges; authorized bands may vary by the class of the station license.

<span class="mw-page-title-main">Amateur radio international operation</span> Operating an amateur radio station in another country

Amateur radio international reciprocal operating agreements permit amateur radio operators (hams) from one country to operate a station whilst traveling in another without the need to obtain additional licenses or permits.

The New Zealand Association of Radio Transmitters (NZART) is a non-profit organisation of amateur radio enthusiasts in New Zealand. It represents New Zealand amateur radio operators nationally and internationally. NZART is a founding member of the International Amateur Radio Union. It is an association of individual members, however those members are encouraged to form local branches.

SumbandilaSat, was a South African micro Earth observation satellite, launched on 17 September 2009 on a Soyuz-2 launch vehicle from the Baikonur Cosmodrome. The first part of the name, Sumbandila, is from the Venda language and means "lead the way".

<span class="mw-page-title-main">Amateur radio</span> Use of radio frequency spectra for non-commercial purposes

Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. The term "amateur" is used to specify "a duly authorized person interested in radioelectric practice with a purely personal aim and without pecuniary interest"; and to differentiate it from commercial broadcasting, public safety, or professional two-way radio services.

Amateur radio call signs in Africa are codes used to identify all radio communications, broadcasts and transmissions. The International Telecommunication Union assigns Africa as ITU region #1. It has assigned call signs prefix blocks to countries including 77 DXCC entities in and off-shore of Africa. Western Sahara is not a DXCC entity but uses SØ as a prefix.

An amateur radio satellite is an artificial satellite built and used by amateur radio operators. It forms part of the Amateur-satellite service. These satellites use amateur radio frequency allocations to facilitate communication between amateur radio stations.

<span class="mw-page-title-main">LituanicaSAT-1</span>

LituanicaSAT-1 was one of the first two Lithuanian satellites. It was launched along with the second Cygnus spacecraft and 28 Flock-1 CubeSats aboard an Antares 120 carrier rocket flying from Pad 0B at the Mid-Atlantic Regional Spaceport on Wallops Island to the International Space Station. The launch was scheduled to occur in December 2013, but later was rescheduled to 9 January 2014 and occurred then. The satellite was broadcasting greetings of Lithuanian president, Mrs. Dalia Grybauskaitė. The satellite was deployed from the International Space Station via the NanoRacks CubeSat Deployer on February 28, 2014. All LituanicaSAT-1 subsystems have been turned on, tested and proved to be working properly. The mission is considered a complete success by its team of engineers. The mission ended upon the reentry and disintegration of the satellite on July 28, 2014.

<span class="mw-page-title-main">Es'hail 2</span>

Es'hail 2 is a Qatari satellite, launched aboard a SpaceX Falcon 9 rocket on November 15, 2018. Es'hail 2 was built by Japan's Mitsubishi Electric company, and operates at 26° East longitude along a geostationary orbit to provide direct-to-home television services in the Middle East and North Africa region. The satellite features 24 Ku-band and 11 Ka-band transponders to provide direct broadcasting services for television, government and commercial content distribution. In addition to commercial services, the payload of Es'hail 2 includes a linear transponder with a bandwidth of 500 kHz and 8 MHz for the amateur radio satellite service, with uplink on 2.4 GHz and downlink on 10.45 GHz.

The International Beacon Project (IBP) is a worldwide network of radio propagation beacons. It consists of 18 continuous wave (CW) beacons operating on five designated frequencies in the high frequency band. The IBP beacons provide a means of assessing the prevailing ionospheric signal propagation characteristics to both amateur and commercial high frequency radio users.

The 8 meter band (40 MHz) is at present the lowest portion of the very high frequency (VHF) radio spectrum allocated to amateur radio use. The term refers to the average signal wavelength of 8 meters.

References

  1. South African Radio League (2018). "The South African Radio League".
  2. South African Radio League (2018). "Where is the NARC?".
  3. 1 2 South African Radio League (2017). "Council Members and Appointees". Retrieved 19 February 2008.
  4. 1 2 South African Radio League (2008). "Information on Radio ZS". Retrieved 19 February 2008.
  5. "Radio Magazines". AC6V. 30 May 2000. Retrieved 14 June 2015.
  6. Odendaal, Natasha (2 November 2007). "Pro-Am cooperation creates triple return". Engineeringnews.co.za. Retrieved 28 October 2013.
  7. "Sunsat Homepage". Research.ee.sun.ac.za. Archived from the original on 10 November 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  8. "Amateur radio satellites – the new reality". EE Publishers. Retrieved 28 October 2013.
  9. SA AMSAT – Cubesat Archived 8 October 2011 at the Wayback Machine