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P.1239 : ITU-R reference ionospheric characteristics

Recommendation P.1239

Approved in 2023-08

Managed by R00-SG03

Main
Number
Title Status Questions
P.1239-4 (08/2023)
 
ITU-R reference ionospheric characteristics   In force (Main)
212/3  
 
 
Previous versions
Number
Title Status Questions
P.1239-0 (05/97)
 
ITU-R Reference ionospheric characteristics  
Note - This Recommendation replaces Rec. ITU-R P.434-6
Superseded
212/3, 223/3  
P.1239-3 (02/2012)
 
ITU-R reference ionospheric characteristics   Superseded
212/3  
P.1239-2 (10/2009)
 
ITU-R reference ionospheric characteristics   Superseded
212/3  
P.1239-1 (02/2007)
 
ITU-R reference ionospheric characteristics   Superseded
212/3  

 

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Updated : 2023-08-31