ITU's 160 anniversary

致力于连通世界

Partner2Connect

Measurements and data banks of ionospheric characteristics and radio noise

Shopping cart Shopping cart

You are here 主页 > ITU Publications > Radiocommunication (ITU-R) > ITU-R Questions > Radiowave propagation > Measurements and data banks of ionospheric characteristics and radio noise

Question SG03.222

Managed by SG03
Main
Number
 Title Status
222-5/3
  		Measurements and data banks of ionospheric characteristics and radio noise  
 		In force (Main)
 
 
Previous versions
Number
 Title Status
222-4/3
  		Measurements and data banks of ionospheric characteristics and radio noise  
 		Superseded
222-3/3
  		Measurements and data banks of ionospheric characteristics and radio noise  
 		Superseded
222-2/3
  		Measurements and data banks of ionospheric characteristics and noise  
 		Superseded
222-1/3
  		Measurements and data banks of ionospheric parameters  
 		Superseded

© 国际电联年版权所有

回到页首