But several remain part of the standard ICAO radiotelephony phraseology in aviation.
2.
ONPT was responsible of the introduction of Analog Mobile Radiotelephony in 1987.
3.
During Very High Frequency ( VHF ) radiotelephony over the normal state network.
4.
A phonetic example of that principle is the need for spelling alphabets in radiotelephony.
5.
Many landmark innovations in radiotelephony, television, and electric power were developed by Purdue faculty
6.
The technology of amplitude modulation ( AM ) radio transmission ( then called radiotelephony ) was developed between 1900 and 1920.
7.
Marine radiotelephony first became common in the 1930s, and was used extensively for communications to ships and aircraft over water.
8.
The ICAO sent a recording of the new " Radiotelephony Spelling Alphabet " to all member states in November 1955.
9.
*1956 The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
10.
The transmission of speech ( radiotelephony ) began to displace wireless telegraphy by the 1920s for many applications, making possible radio broadcasting.
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