Method: NMEAPlus::Message::NMEA::VTG#speed_knots

Defined in:
lib/nmea_plus/message/nmea/vtg.rb,
lib/nmea_plus/message/nmea/vtg.rb more...

#speed_knots ⇒ Float (readonly)

Returns:

  • (Float)
[View source]

26
27
28
29
30
 
# File 'lib/nmea_plus/message/nmea/vtg.rb', line 26

def speed_knots
  f = new_format? ? 5 : 3
  return nil if @fields[f].nil? || @fields[f].empty?
  @fields[f].to_f
end