Click HERE if you have RealPlayer (audio) version 5 or 6 to hear a 1934 short-wave telephone link between Australia (Melbourne) and the Netherlands (the Haque). The prime-minister of the Netherlands is talking to the crew of the Uiver passenger plane (a DC-2) which arrived in Melbourne as second (but as first passenger plane) in the Europe to Melbourne air race.
(the program will start automatically, please allow some time to load the buffer)
The same sound file (13 minutes, Mpeg, 1.4 Mb .mp2) but with limited quality HERE
This radio link started in Kootwijk to Indonesia by short-wave,
and via a (short-wave?) radio relay in Indonesia further to Melbourne.