public FixRecord( TimeSpan timeUTC, double latitude, double longitude, double pressureAltitude, double gnssAltitude, string additionalData, FixValidity validity) : base(RecordType.B) { TimeUTC = timeUTC; Latitude = latitude; Longitude = longitude; PressureAltitude = pressureAltitude; GnssAltitude = gnssAltitude; AdditionalData = additionalData; }