RSA - Rudder Sensor Angle

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 $--RSA,x.x,A,x.x,A*hh<CR><LF>

 Field Number: 
  1) Starboard (or single) rudder sensor, "-" means Turn To Port
  2) Status, A means data is valid
  3) Port rudder sensor
  4) Status, A means data is valid
  5) Checksum