RMA - Recommended Minimum Navigation Information

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 Field Number: 
  1) Blink Warning
  2) Latitude
  3) N or S
  4) Longitude
  5) E or W
  6) Time Difference A, uS
  7) Time Difference B, uS
  8) Speed Over Ground, Knots
  9) Track Made Good, degrees true
  10) Magnetic Variation, degrees
  11) E or W
  12) Checksum