Precise Positioning Service is for the DOD only. Only Standard Positioning Service (SPS) is available to the public. With SPS, 100 meter accuracy is observed 95% of the time. The following plot shows SPS information gathered at USNA over a 6 hour period. Notice the brief 4 minute excursion over 1/2 mile at 14 knots for our fixed building!
|zooms up/down (you may also use PGup/dn)|
|List stations, Show Status or Messages to Java console|
|Centers or Zooms map on clicked location|