precise

type ClockDataType string

type ClockEpoch struct {
	Time    time.Time     `json:"time"`
	Records []ClockRecord `json:"records"`
}

type ClockRecord struct {
	Time     time.Time     // Epoch of clock estimate
	DataType ClockDataType // Type of clock record (AS, AR, etc.)
	Name     string        // Station name or satellite identifier
	System   int           // GNSS system (for satellite records)
	SvID     int           // Satellite ID (for satellite records)

	// Clock parameters
	Bias     float64 // Clock bias (seconds)
	BiasSig  float64 // Clock bias sigma (seconds)
	Rate     float64 // Clock rate (dimensionless)
	RateSig  float64 // Clock rate sigma (dimensionless)
	Accel    float64 // Clock acceleration (per second)
	AccelSig float64 // Clock acceleration sigma (per second)
}

type ClockRecords []ClockRecord

type OrbitRecord struct {
	Time     time.Time             // Epoch time
	System   gnss.System           // GNSS system (GPS, GLO, GAL, etc.)
	SvID     int                   // Satellite ID
	Position coordinates.Vector3D  // ECEF position in meters
	Clock    float64               // Satellite clock bias in seconds (optional, 0 if not available)
	Velocity *coordinates.Vector3D // ECEF velocity in m/s (optional, nil if not available)
}

type OrbitRecords []OrbitRecord

type SP3Element struct {
	// Type can be P or V
	Type   string  `json:"type"`
	System int     `json:"system"`
	SvId   int     `json:"satellite"`
	X      float64 `json:"x"`
	Y      float64 `json:"y"`
	Z      float64 `json:"z"`
	Clk    float64 `json:"clk"`
	Xs     int     `json:"x_sigma"`
	Ys     int     `json:"y_sigma"`
	Zs     int     `json:"z_sigma"`
	ClkS   int     `json:"clk_sigma"`
	ClkE   string  `json:"clk_event"`
	ClkP   string  `json:"clk_predict"`
	OrbE   string  `json:"orb_event"`
	OrbP   string  `json:"orb_predict"`
}

type SP3Epoch struct {
	Time     time.Time    `json:"time"`
	Elements []SP3Element `json:"elements"`
}