Class: NMEAPlus::Message::NMEA::SGD

Inherits:
NMEAMessage show all
Defined in:
lib/nmea_plus/message/nmea/sgd.rb

Overview

SGD - Position Accuracy Estimate

Estimate of position accuracy based on geometric dilution of precision (GDOP) and system noise, in feet and nautical miles.

Limited utility, no recommended replacement.

Instance Attribute Summary collapse

Attributes inherited from NMEAMessage

#message_type, #talker

Attributes inherited from Base

#checksum, #data_type, #fields, #interpreted_data_type, #message_number, #next_part, #original, #payload, #prefix, #total_messages

Method Summary

Methods inherited from NMEAMessage

_10_boolean, _av_boolean

Methods inherited from Base

_float, _hex_to_integer, #_highest_contiguous_index, _integer, _interval_hms, _string, _utc_date_time, _utctime_hms, #add_message_part, #all_checksums_ok?, #all_messages_received?, #calculated_checksum, #checksum_ok?, degrees_minutes_to_decimal, field_reader, #highest_contiguous_index, nsew_signed_float

Instance Attribute Details

#accuracy_feet ⇒ Object (readonly)

Accuracy, nautical miles

Returns:

  • field 1 of the payload, formatted with the function #_float



14
 
# File 'lib/nmea_plus/message/nmea/sgd.rb', line 14

field_reader :accuracy_feet, 1, :_float

#accuracy_nautical_miles ⇒ Object (readonly)

Accuracy, feet

Returns:

  • field 3 of the payload, formatted with the function #_float



17
 
# File 'lib/nmea_plus/message/nmea/sgd.rb', line 17

field_reader :accuracy_nautical_miles, 3, :_float