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  Home : ITU-R : Publications : Recommendations : M Series : M.257
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M.257 : Sequential Single Frequency selective-calling system for use in the maritime mobile service  

Recommendation M.257

Approved in 1995-10

Managed by R00-SG05

Note - Suppressed on 28/04/2011 (CACE/537)
Main
Number
 Title Status Questions
M.257-3 (10/95)
  		Sequential Single Frequency selective-calling system for use in the maritime mobile service  
Note - Suppressed on 28/04/2011 (CACE/537) 		Withdrawn (Main)
 N/A  
 
 
Previous versions
Number
 Title Status Questions
M.257-2 (07/78)
  		Selective-calling system for use in the maritime mobile service   Superseded
N/A  

 

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Updated : 2011.05.13