వైర్ బదులుగా రేడియో ద్వారా ప్రసారం ఉపయోగించే టెలిగ్రాఫి,

radiotelegraphy's Usage Examples:

The invention of radiotelegraphy (wireless telegraphy) communication around 1900 allowed telegraph signals.

finance ICAO designator for Qatar Airways, a Qatari airline Q code, a radiotelegraphy message code Quick Tire Removal Wheel, a wheel rim used for large mining.

experiments in practical Morse code radiotelegraphy communication in 1895-1897 High power spark gap radiotelegraphy transmitter in Australia around 1910.

Signals can be sent by flaghoist, signal lamp ("blinker"), flag semaphore, radiotelegraphy, and radiotelephony.

uninterrupted carrier wave, early radio stations transmitted information by radiotelegraphy.

Wireless telegraphy or radiotelegraphy is transmission of telegraph signals by radio waves.

(AM), and communicating using Morse code through continuous wave (CW) radiotelegraphy.

High-paying jobs as seagoing ship"s radiotelegraphy officers were still common until the late 20th century.

powerful transoceanic longwave radiotelegraphy stations to communicate telegraphically with other countries.

In 1901, Reginald Fessenden demonstrated a direct-conversion heterodyne receiver or beat receiver as a method of making continuous wave radiotelegraphy.

However the first regular aviation radiotelegraphy was on airships, which had space to accommodate the large, heavy radio.

The radiotelegraphy signals produced.

Ships equipped with Morse code radiotelegraphy, or life boat radio sets, Aviation ground stations, broadcast stations.