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 AF ()
         
, , . 
.
1.  AF/TA,  AF. 
AF       ,   
 RDS .    AF .    
, .
2.  RDS ,  AF.
 ON (.)
 TA ()
���    2   AF/A,     
.
      .   
  .  ,
    (TA-VOL). ,
   .   TA
 SEEK, SCAN, AMS   
.
 PTY ()
FM-,  RDS, .
1.   PTY,   PTY.   
.
2.    PTY   ,   :  
.   6   