Telecommunication Journal, 31. sējums,187-356. lapaInternational Telecommunication Union., 1964 |
No grāmatas satura
1.–3. rezultāts no 21.
195. lappuse
... activity ) . Wolf's equation It is known that there exists a correlation between solar and earth phenomena and that , in radiocommunications , the Sun's ultraviolet and corpuscular radiations are the main cause of the ionization of the ...
... activity ) . Wolf's equation It is known that there exists a correlation between solar and earth phenomena and that , in radiocommunications , the Sun's ultraviolet and corpuscular radiations are the main cause of the ionization of the ...
196. lappuse
... activity that cannot be resolved when a monthly mean index is used . Ionized layers and the critical frequency In ... activity indices 5 , 70 and 125 as reference conditions These values were chosen so as to cover the solar cycle of ...
... activity that cannot be resolved when a monthly mean index is used . Ionized layers and the critical frequency In ... activity indices 5 , 70 and 125 as reference conditions These values were chosen so as to cover the solar cycle of ...
200. lappuse
... activity for distances between 0 and 4000 km , as a function of the latitude of the reception point . Geomagnetic ... activity cycle In Graphs Nos . 3 , 4 and 5 the following data are broken down : a ) eight maximum frequency curves in ...
... activity for distances between 0 and 4000 km , as a function of the latitude of the reception point . Geomagnetic ... activity cycle In Graphs Nos . 3 , 4 and 5 the following data are broken down : a ) eight maximum frequency curves in ...
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