This is a listing in chronological order of the principal events and their locations, as described in the Project. Unless indicated otherwise, all events occurred in Australia, and refer to shortwave technology.

1839 UK – first commercial telegraphy service

1843 UK- first commercial facsimile service

1855 France – Caselli invents Pantelograph, Paris to Lyon service

1865 UK – Maxwell experiments in electricity and magnetism

1866 Atlantic – first trans-Atlantic cable

1870 USA - Edison – first full-duplex two-way telegraphy service invented

1872 Australia - Overland Telegraph opened

1875 Italy - Marconi born

1877 Australia - Overland Telegraph extended to Western Australia

1886 UK – Hughes, electromagnetism experiments

1883 USA – Edison, valve experiments

1887 UK – Fleming, valve experiments

1888 Germany – Hertz, telegraphy experiments

1895 France - first Morse radio transmissions

1895 Italy - Marconi tests

1895 Russia - Popov demonstrates radio reception

1898 Italy - Navy experiments

1898 Tasmania – wireless telegraphy tests

1900 Marconi Company formed

1900 Spark transmissions over the Atlantic

1901 Canada – Marconi tests with a trailing Kite 150 m antenna

1901 TransAtlantic tests Cornwall to St Johns 3000 km

1902 TransPacific - telegraphy service starts

1902 Canada - station built at Glace Bay

1902 Canada - Morse signals sent from Glace Bay to Cornwall

1902 Tasmania – HMS St George,  Derwent Estuary, telegraphy contact with Hobart

1903 Marconi receives prearranged signal sent from Poldhu UK

1903 USA/Canada - Poulson invents Singing-Arc spark transmitter

1905 Canada and Ireland – large stations built at Glace Bay (Marconi towers) and Ireland

1906 USA - first wireless telephony broadcast from Brant Rock, Mass, by Fessenden

1906 Victoria - Marconi Company opens stations in Queenscliff and E. Devonport (Tas)

1907 Canada - regular commercial service opens Grace Bay and Marconi Towers

1908 France – Paris - de Forest tests from Eiffel Tower over 800 km

1910 France – Paris -  tests from Metro Opera Building with 500 kW

1910 Sydney - first ship-shore station opens

1912 Permanent ship-shore stations open Melbourne VIM, Perth VIP, Sydney VIS, Hobart VIH, Brisbane VIP, VIM Melbourne

1914 Belgium – Larfken new station opens

1915 USA - Arlington, NY, US Navy tests to Paris

1918 China - XWA starts

1918 UK - radio telegraphy tests from UK to Sydney

1919 Canada - 9XM starts

1919 Holland – PCJJ starts

1919 UK - Chelmsford, Essex, longwave telephony tests Marconi Company with callsign 2MT

1919 USA - RCA formed

1920 USA - 8MK Detroit starts

1920 Argentina - Buenos Aires station starts

1920 NSW - Sydney demonstration of wireless telephony

1920 UK - first wireless telegraphy news service from Chelmsford

1920 USA - KDKA Pittsburgh PA starts

1921 NSW - McClure, Strathfield, NSW transmits music on mediumwave

1921 USA - AROs use voice for long distances on 1500 KHz

1921 USA - Radio Central (RCA) longwave station opens at Rocky Point, Long Island

1921 Victoria - AWA starts weekly broadcasts from Melbourne

1921 Victoria - Koo Wee Rup - experimental shortwave receiving station starts – UK heard

1922 England - Marconi opens 2LO London

1922 Ireland – Clifden station destroyed by rebels

1922 Many LW stations on air in Europe America S. Asia

1922 NSW – Wireless Weekly magazine starts from Sydney

1922 UK - BBC starts – first mediumwave services

1922 UK - new station built in Wales

1922 USA - WBZ Springfield, Mass, starts

1923 UK - Marconi test messages Poldhu to yacht Elletra in Cape Verde Islands

1923 Sydney - stations 2SB and 2FC start with first commercial licences

1923 USA - Second National Broadcasting Conference

1924 Many Australian mediumwave stations start

1924 UK - Marconi daytime tests Poldhu to Beirut Elletra yacht

1924 Victoria - Melbourne 3AR starts on mediumwave

1924 WA - Perth 6WF starts on longwave

1924 USA - amateurs make transoceanic contacts

1924 USA - Third National Broadcasting Conference

1924 Victoria - Australian Post Office telephony and telegraphy tests

1925 American shortwave stations often heard in Australia

1925 Victoria - Melbourne 3AR – new transmitter at  N. Essendon

1925 Victoria - Melbourne 3LO starts on longwave

1925 Sealed set system introduced in Australia

1925 USA - WBXK Pittsburg shortwave telephony tests to Australia

1926 Canada – beam wireless starts

1926 Victoria - Melbourne 3LO moves to mediumwave

1926 Russia - station RFW at Khaborovsk heard in Australia

1926 NSW - Sydney 2BL opens

1926 Victoria - VIM Melbourne Radio, new transmitter at Braybrook

1927 Victoria - Melbourne 3LO starts shortwave from Braybrook as VK3ME

1927 S. Africa – beam wireless starts

1927 NSW - Sydney - VK2ME Empire shortwave service opens

1927 USA - Washington International Radio Telegraphy Conference

1927 Victoria – “Listener In” magazine starts from Melbourne

1927 Victoria - beam wireless starts from Ballan/Rockbank

Go to Timeline - Part Two - 1928 to 2012 for a continuation!