gps.js
function(str, gll) {

      if (gll.length !== 9 && gll.length !== 8) {
        throw new Error('Invalid GLL length: ' + str);
      }

      /*
       ------------------------------------------------------------------------------
       1       2 3        4 5         6 7   8
       |       | |        | |         | |   |
       $--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,a,m,*hh<CR><LF>
       ------------------------------------------------------------------------------
       
       1. Latitude
       2. N or S (North or South)
       3. Longitude
       4. E or W (East or West)
       5. Universal Time Coordinated (UTC)
       6. Status A - Data Valid, V - Data Invalid
       7. FAA mode indicator (NMEA 2.3 and later)
       8. Checksum
       */

      return {
        'time': parseTime(gll[5]),
        'status': parseRMC_GLLStatus(gll[6]),
        'lat': parseCoord(gll[1], gll[2]),
        'lon': parseCoord(gll[3], gll[4]),
        'faa': gll.length === 9 ? parseFAA(gll[7]) : null
      };
    }
function(str, gll) {

      if (gll.length !== 9 && gll.length !== 8) {
        throw new Error('Invalid GLL length: ' + str);
      }

      /*
       ------------------------------------------------------------------------------
       1       2 3        4 5         6 7   8
       |       | |        | |         | |   |
       $--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,a,m,*hh<CR><LF>
       ------------------------------------------------------------------------------
       
       1. Latitude
       2. N or S (North or South)
       3. Longitude
       4. E or W (East or West)
       5. Universal Time Coordinated (UTC)
       6. Status A - Data Valid, V - Data Invalid
       7. FAA mode indicator (NMEA 2.3 and later)
       8. Checksum
       */

      return {
        'time': parseTime(gll[5]),
        'status': parseRMC_GLLStatus(gll[6]),
        'lat': parseCoord(gll[1], gll[2]),
        'lon': parseCoord(gll[3], gll[4]),
        'faa': gll.length === 9 ? parseFAA(gll[7]) : null
      };
    }
Geographic Position - Latitude/Longitude