package com.example.androidapp.gps

data class GpsPosition(
    val latitude: Double,           // degrees, positive = North
    val longitude: Double,          // degrees, positive = East
    val sog: Double,                // Speed Over Ground in knots
    val cog: Double,                // Course Over Ground in degrees true (0-360)
    val timestampMs: Long,          // Unix millis UTC
    val accuracyMeters: Double? = null  // estimated horizontal accuracy (1-sigma); null = unknown
)