Telecommunication Journal, 57. sējums,1-432. lapaInternational Telecommunication Union., 1990 |
No grāmatas satura
1.–3. rezultāts no 82.
119. lappuse
... radio was used to save life at sea involved an appa- ratus built by Alexander Popov , the Rus- sian scientist who experimented with radio transmission in 1895 and who suc- ceeded in sending a signal about 5 km in 1897. On 23 January ...
... radio was used to save life at sea involved an appa- ratus built by Alexander Popov , the Rus- sian scientist who experimented with radio transmission in 1895 and who suc- ceeded in sending a signal about 5 km in 1897. On 23 January ...
184. lappuse
... Radio Regula- tions , Article 1 , No. 36 , 3.17 ) ) . Also under these Regulations , a " radiocom- munication service " is a service involving the transmission , emission and / or reception of radio waves for spe- cific ...
... Radio Regula- tions , Article 1 , No. 36 , 3.17 ) ) . Also under these Regulations , a " radiocom- munication service " is a service involving the transmission , emission and / or reception of radio waves for spe- cific ...
240. lappuse
... radio without taking a glance at its origins . While Guglielmo Marconi may be consi- dered as the inventor of radio , who freed telecommunications from the con- straints of wires and opened the way for broadcasting and links with mobile ...
... radio without taking a glance at its origins . While Guglielmo Marconi may be consi- dered as the inventor of radio , who freed telecommunications from the con- straints of wires and opened the way for broadcasting and links with mobile ...
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