问在安卓系统中看到超过20个可见的Gps.Satellites是正常的吗？

EN

@Override
public void onGpsStatusChanged(int event) {
    //Call on GPS Status changes, such as satellites info
    String gpsStats = "";
    gpsStatus = locationManager.getGpsStatus(gpsStatus);
    if (gpsStatus != null) {
       Iterable<GpsSatellite>satellites = gpsStatus.getSatellites();
       Iterator<GpsSatellite>sat = satellites.iterator();
       int visibleSats = 0;
       while (sat.hasNext()) {
          satellite = sat.next();
          gpsStats += "SATELLITE " + (visibleSats++) + "\n"
                        + "\t PRN: " + satellite.getPrn() + "\n"                    
                        + "\t signal-noise-ratio: " + satellite.getSnr() + "\n"
                        + "\t azimuth: " + satellite.getAzimuth() + "°\n"
                        + "\t elevation: " + satellite.getElevation() + "°\n"
                        + "\t used in fix: " + satellite.usedInFix() + "\n"
                        + "\t has almanac data: " + satellite.hasAlmanac() + "\n"
                        + "\t has ephemeris data: " + satellite.hasEphemeris() + "\n"
                        + "\n";

       }
       sats.setText(gpsStats);  
    }       
}