typedef struct {
	int	type;
	int	time;
	int	a;
	int	b;
} flight_record;

flight_record
read_record(file in) {
	flight_record	r;
	File::fscanf(in, "%c %x %x %x\n",
	       &r.type, &r.time, &r.a, &r.b);
	return r;
}

typedef struct {
	int	degrees;
	int	minutes;
	int	minutes_fraction;
} gps_pos;

typedef struct {
	int	hour;
	int	minute;
	int	second;
} gps_time;

real combine_gps_pos(gps_pos p, bool flag)
{
	real sign = flag ? -1 : 1;
	return sign * (p.degrees + (p.minutes +
				    p.minutes_fraction / 10000)
		       / 60);
}

void read_gps(file in)
{
	gps_time	time;
	gps_pos		lat, lon;
	int		flags;
	int		alt;

	while (!File::end(in)) {
		flight_record r = read_record(in);
		switch (r.type) {
		case 'G':
			time.hour = r.a & 0xff;
			time.minute = r.a >> 8;
			time.second = r.b & 0xff;
			flags = r.b >> 8;
			break;
		case 'N':
			lat.degrees = r.a & 0xff;
			lat.minutes = r.a >> 8;
			lat.minutes_fraction = r.b;
			break;
		case 'W':
			lon.degrees = r.a & 0xff;
			lon.minutes = r.a >> 8;
			lon.minutes_fraction = r.b;
			break;
		case 'H':
			alt = r.a;
			printf ("%5d %d sat ", r.time, flags & 0xf);
			if ((flags & (1 << 4)) != 0) {
				printf ("%02d:%02d:%02d ",
					time.hour, time.minute,	time.second);
				printf ("%4d°%02d.%04d'%c %2d°%02d.%04d'%c %5dm ",
					lat.degrees, lat.minutes,
					lat.minutes_fraction,
					(flags & (1 << 6)) != 0 ? 'S' : 'N',
					lon.degrees, lon.minutes,
					lon.minutes_fraction,
					(flags & (1 << 5)) != 0 ? 'W' : 'E',
					alt);
				printf ("%11.6f %11.6f %5d\n",
					combine_gps_pos(lat,
							(flags & (1 << 6)) !=
							0),
					combine_gps_pos(lon,
							(flags & (1 << 5)) !=
							0),
					alt);
			} else {
				printf ("unlocked\n");
			}
			break;
		}
	}
}

read_gps(stdin);