radiotelegraph उदाहरण वाक्य
उदाहरण वाक्य
- 2 June : Radiotelegraph and cable channels rearranged to cater for heavy traffic during the coronation of Queen Elizabeth II . Two additional phototelegram channels opened.
- Beginning in 1905, demonstration radiotelegraph stations, using spark transmitters and electrolytic detectors, were installed for evaluation by the U . S . Navy.
- Consequently, radiotelegraph operators cannot hear interruptions from remote receiving stations during normal signal transmission periods when the full transmitter power is applied to the antenna.
- While the Federal Communications Commission no longer requires Morse code for amateur radio licenses, the old requirements were similar to the requirements for commercial radiotelegraph licenses.
- These were allocated worldwide, while the 10-meter band ( 28 MHz ) was created by the Washington International Radiotelegraph Conference on 25 November 1927.
- Depending upon the Engineering set up, radiotelegraph stations may use either a single antenna for both transmit and receive or, separate transmit and receive antennas.
- In cooperation with the NPS, volunteers have restored and maintain a historic coastal radiotelegraph marine station, KSM ( ex-KPH ), at Point Reyes.
- For commercial radiotelegraph licenses in the United States, the Federal Communications Commission specifies tests for Morse code proficiency in words per minute and in code groups per minute.
- A difference between amateur radio licenses and commercial radiotelegraph licenses is that commercial operators must be able to receive code groups of random characters along with plain language text.
- Notes for response to radiotelegraph Q-codes : Responses to a radiotelegraph Q-code query or a Q-code assertion may vary depending upon the code.