A call from Chile to Spain had to be radioed over the Andes and the Caribbean to New York, across th Atlantic by cable, and over telephone wires through Europe to Madrid.

• 一个从智利到西班牙的呼叫，得用覆盖安第斯山脉和加勒比海的无线电传送到纽约，通过穿越大西洋的电缆，再通过电话线从欧洲传送马德里。