radio telegraphy การใช้

• Two high antennae made possible to communicate with Buenos Aires through radio telegraphy.
• His field of interest was : amplification and detection advanced the development of radio telegraphy.
• She was educated at Pulau School on Pitcairn, and subsequently studied meteorology and radio telegraphy and telephony.
• Radio telegraphy was much like ordinary telegraphy.
• He took up education in Maritime Radio Telegraphy and passed his exams from the Maritime Malaysian Academy.
• SMS, as used on modern handsets, originated from radio telegraphy in radio memo pagers that used standardized phone protocols.
• This station had a radio telegraphy range of 80 kilometers with a fleet of 14 ships at sea and with Brest.
• The college decided against evacuation, instead expanding its Engineering Department, School of Navigation and developing a new School of Radio Telegraphy.
• On 24 September 1900 radio telegraphy signals were exchanged regularly with the island of Heligoland over a distance of 62 km.
• Early radio transmitters could not be modulated to transmit speech, and so CW radio telegraphy was the only form of communication available.
• Similar keys are used for all forms of manual telegraphy, such as in  wire or electrical telegraph and  wireless or radio telegraphy.
• The order established courses of study in ordnance and gunnery, electrical engineering, radio telegraphy, naval construction, and civil engineering and continued the program in marine engineering.
• In radio telegraphy, the characters of text messages are translated into the short duration dots and long duration dashes of Morse code that are broadcast as radio signals.
• Long-range ship-to-ship communication was by radio telegraphy, using encrypted messages because the voice radio systems on ships then were quite limited in both their range and their security.
• Radio telegraphy and radio telex was from then gradually replaced with Inmarsat, a communications satellite system, with Eik Earth Station in Rogaland being Europe's first ground station for Inmarsat.
• The original edition of ACP-131 was published by the U . S . military during the early years of radio telegraphy for use by radio operators using Morse Code on continuous wave ( CW ) telegraphy.
• "Actually, given the speed of change, it's perhaps a bit of a surprise that radio telegraphy has survived at sea as long as it has, " said Harrison Drown, a retired merchant marine officer in Newfoundland.
• Until the 1950s, the Grimeton VLF transmitter was used for transatlantic radio telegraphy to Radio Central in Long Island, New York, USA . From the 1960s until 1996 it transmitted orders to submarines in the Swedish Navy.
• Technological advances also had a huge influence on strategy : aerial reconnaissance, artillery techniques, poison gas, the automobile and tank ( though the latter was, even at the end of the war, still in its infancy ), telephone and radio telegraphy.
• Entitled " Stroll and Roll ", the album consists of 10 tracks, including a new version of " Radio Telegraphy "  originally recorded as a collaboration with Ryosuke Sasaki of A Flood of Circle and " Under the Cuckoo's Nest ", which the band had included on set lists for the " Lostman Go to City " tour.