gnss

package
v0.21.6 Latest Latest
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 Go to latest Published: Aug 13, 2025 License: Apache-2.0 Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func GetSignalIDFromCode added in v0.21.6 

func GetSignalIDFromCode(sys System, code string) (id int, err error)

GetSignalIDFromCode returns the Signal ID for a given GNSS system and signal code.

Types

type Signal added in v0.21.6 

type Signal struct {
	// Code (e.g. "1C")
	Code string
	// Freq [MHz]
	Freq float64
}

Signal represents a GNSS signal

func (Signal) Wavelength added in v0.21.6 

func (signal Signal) Wavelength() (wl float64)

Return the wavelength [m]

type SignalMap added in v0.21.6 

type SignalMap map[int]Signal

SignalMap is a map of Signal IDs (DF395) to Signal structs 

var BeidouSignalToRinexMap SignalMap = SignalMap{

	2: {"2I", 1561.098},
	3: {"2Q", 1561.098},
	4: {"2X", 1561.098},

	8:  {"6I", 1268.52},
	9:  {"6Q", 1268.52},
	10: {"6X", 1268.52},

	14: {"7I", 1207.14},
	15: {"7Q", 1207.14},
	16: {"7X", 1207.14},

	22: {"5D", 1176.45},
	23: {"5P", 1176.45},
	24: {"5X", 1176.45},
	25: {"7D", 1207.14},

	30: {"1D", 1575.42},
	31: {"1P", 1575.42},
	32: {"1X", 1575.42},
}

BeidouSignalToRinexMap is a map of Beidou Signal IDs (DF395) to Signal structs 

var GLONASSSignalToRinexMap SignalMap = SignalMap{

	2: {"1C", 1602.00},
	3: {"1P", 1602.00},

	8: {"2C", 1246.00},
	9: {"2P", 1246.00},
}

GLONASSSignalToRinexMap is a map of GLONASS Signal IDs (DF395) to Signal structs 

var GPSSignalToRinexMap SignalMap = SignalMap{

	2: {"1C", 1575.42},
	3: {"1P", 1575.42},
	4: {"1W", 1575.42},

	8:  {"2C", 1227.60},
	9:  {"2P", 1227.60},
	10: {"2W", 1227.60},

	15: {"2S", 1227.60},
	16: {"2L", 1227.60},
	17: {"2X", 1227.60},

	22: {"5I", 1176.45},
	23: {"5Q", 1176.45},
	24: {"5X", 1176.45},

	30: {"1S", 1575.42},
	31: {"1L", 1575.42},
	32: {"1X", 1575.42},
}

GPSSignalToRinexMap is a map of GPS Signal IDs (DF395) to Signal structs 

var GalileoSignalToRinexMap SignalMap = SignalMap{

	2: {"1C", 1575.42},
	3: {"1A", 1575.42},
	4: {"1B", 1575.42},
	5: {"1X", 1575.42},
	6: {"1Z", 1575.42},

	8:  {"6C", 1278.75},
	9:  {"6A", 1278.75},
	10: {"6B", 1278.75},
	11: {"6X", 1278.75},
	12: {"6Z", 1278.75},

	14: {"7I", 1207.14},
	15: {"7Q", 1207.14},
	16: {"7X", 1207.14},

	18: {"8I", 1191.795},
	19: {"8Q", 1191.795},
	20: {"8X", 1191.795},

	22: {"5I", 1176.45},
	23: {"5Q", 1176.45},
	24: {"5X", 1176.45},
}

GalileoSignalToRinexMap is a map of Galileo Signal IDs (DF395) to Signal structs 

var IRNSSSignalToRinexMap SignalMap = SignalMap{

	2: {"1A", 1575.42},

	3: {"5A", 1176.45},
	4: {"5B", 1176.45},
	5: {"5C", 1176.45},

	6: {"9A", 2492.028},
	7: {"9B", 2492.028},
	8: {"9C", 2492.028},
}

IRNSSSignalToRinexMap is a map of IRNSS Signal IDs to Signal structs 

var QZSSSignalToRinexMap SignalMap = SignalMap{

	2: {"1C", 1575.42},

	9:  {"6S", 1278.75},
	10: {"6L", 1278.75},
	11: {"6X", 1278.75},

	15: {"2S", 1227.60},
	16: {"2L", 1227.60},
	17: {"2X", 1227.60},

	22: {"5I", 1176.45},
	23: {"5Q", 1176.45},
	24: {"5X", 1176.45},

	30: {"1S", 1575.42},
	31: {"1L", 1575.42},
	32: {"1X", 1575.42},
}

QZSSSignalToRinexMap is a map of QZSS Signal IDs (DF395) to Signal structs 

var SBASSignalToRinexMap SignalMap = SignalMap{

	2: {"1C", 1575.42},

	22: {"5I", 1176.45},
	23: {"5Q", 1176.45},
	24: {"5X", 1176.45},
}

SBASSignalToRinexMap is a map of SBAS Signal IDs (DF395) to Signal structs

func (SignalMap) GetSignalCodeFromID added in v0.21.6 

func (signalMap SignalMap) GetSignalCodeFromID(id int) (signal Signal, err error)

Return the GetSignalCodeFromID for a given ID

func (SignalMap) GetSignalIDFromCode added in v0.21.6 

func (signalMap SignalMap) GetSignalIDFromCode(code string) (id int, err error)

Return the GetSignalIDFromCode for a given code

type System 

type System int

System stores the GNSS constellation type 

const (
	SystemUnknown System = iota
	GPS
	GLONASS
	SBAS
	GALILEO
	BEIDOU
	QZSS
	IRNSS
)

func ParseSystemChar 

func ParseSystemChar(s string) (System, error)

ParseSystemChar parses a single character string into a System type

func (System) Char 

func (sys System) Char() string

Char returns the single character representation of the system (e.g. "G")

func (System) Int 

func (sys System) Int() int

Int returns the integer representing the system as an int

func (System) MarshalJSON 

func (s System) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface for System

func (System) String 

func (s System) String() string

String returns the string representation of the system (e.g. "GPS")

func (*System) UnmarshalJSON 

func (s *System) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface for System

type Systems added in v0.18.1 

type Systems []System

Systems is a slice of GNSS systems

func (Systems) Sort added in v0.18.1 

func (systems Systems) Sort()

Sort systems

func (Systems) String added in v0.18.8 

func (systems Systems) String() string

String returns the string representation of the systems (e.g. "GPS+GLONASS")

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