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P.1239 : ITU-R reference ionospheric characteristics

Recommendation P.1239

Approved in 2012-02

Managed by R00-SG03

Main
Number
Title Status Questions
P.1239-3 (02.12)
 
ITU-R reference ionospheric characteristics   In force (Main)
N/A  
 
 
Previous versions
Number
Title Status Questions
P.1239-2 (10/09)
 
ITU-R reference ionospheric characteristics   Superseded
212/3  
P.1239-1 (02/07)
 
ITU-R reference ionospheric characteristics   Superseded
223/3, 212/3  
P.1239-0 (05/97)
 
ITU-R Reference ionospheric characteristics  
Note - This Recommendation replaces Rec. ITU-R P.434-6
Superseded
N/A  

 

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Updated : 2013/10/01