Method: NMEAPlus::Message::NMEA::SYS#systems

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

#systems ⇒ Array<Symbol> (readonly)

Systems in use

Returns:

  • (Array<Symbol>)
[View source]

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# File 'lib/nmea_plus/message/nmea/sys.rb', line 13

def systems
  abbr = {
    'L' => :loran_c,
    'O' => :omega,
    'T' => :transit,
    'G' => :gps,
    'D' => :decca
  }

  # drop blank fields and convert to symbol
  @fields[1..5].reject(&:empty?).map { |x| abbr[x] }
end