Check out this site: GNSS planning online
Use Pick to select your location by map and the day you intend to hide.
Go to the satellite Library and tick only GPS (unless your GPS can recognise other systems such as GLONASS
Go to DOPs . The lower the figure the better your GPS reading will be. In particular we are interested in the Horizontal position.
If the Dops are getting above 3, you should delay taking your hide co-ordinates.
Remember, this prediction assumes a clear sky. It does not predict errors caused by local obstructions.
You can also view a graph of number of visible satellites, the predicted sky plot as you would see on your GPSr, world view with the satellite paths mapped and an ionosphere map.
Enjoy
![Very Happy :D](./images/smilies/icon_biggrin.gif)
![Very Happy :D](./images/smilies/icon_biggrin.gif)
![Very Happy :D](./images/smilies/icon_biggrin.gif)
![Very Happy :D](./images/smilies/icon_biggrin.gif)