radiotelegraphy उदाहरण वाक्य

उदाहरण वाक्य

1. Today, due to more modern text transmission methods, Morse code radiotelegraphy for commercial use has become obsolete.
2. High-paying jobs as seagoing ship's radiotelegraphy officers were still common until the late 20th century.
3. Radiotelegraphy proved effective for rescue work in sea disasters by enabling effective communication between ships and from ship to shore.
4. Continuous wave ( CW ) radiotelegraphy is regulated by the International Telecommunication Union ( ITU ) as emission type A1A.
5. Fessenden first used his large radio frequency alternator, After this it became the standard method of receiving CW radiotelegraphy.
6. As a result of these changes the wavelength used by Lympne for radiotelegraphy changed from 862 metres to 825 metres.
7. It was expanded many times in its coverage with the advent of radiotelegraphy, and with text messaging using telex machines.
8. Beginning around 1905 continuous wave ( CW ) transmitters began to replace spark transmitters for radiotelegraphy because they had much greater range.
9. The station was also used for the contact with Sveagruva on Svalbard and for radiotelegraphy with ships in the Gulf of Bothnia.
10. In Norway, the band 493 510 kHz was allocated to radio amateurs on 6 November 2009 . Only radiotelegraphy is permitted.