> This question is very similar if not the same as:
> 'Waypoints Invisible if not Direct from GPS
> 1 El Tel  Sep 26'
> But I can't see how to reply to his post. So here it is again and I
> apologize for possibly repeating this. I've imported a tonne of
> waypoints from my GPS. I get them into Google Earth and start tweaking
> them so they line up perfectly with Google's maps. Then all of a
> sudden they disappear including the routes that joined several of the
> weigh points. This doesn't appear to be an elevation issue as I have
> everything clamped to the ground. I believe this is a bug. Anyone have
> any comments, suggestions or feedback?
> Thanks in advance.
> Cheers

> Hi Cottonline,

> If you're having trouble viewing all of your paths at the same
> time, it's probably a result of TimeStamps that have been encoded
> into
> your GPS data. You'll need to extend the time slider such that all of
> the relevant paths are being displayed.

> To learn more about the time slider, check outhttp://earth.google.com/userguide/v4/ug_gps.html#timeline

> To learn more about encoding time stamps, check outhttp://code.google.com/apis/kml/documentation/time.html

> Hope this helps,

> Earth Ranger Jordan

> On Dec 9, 11:59 pm, Cottonline wrote:

> > This question is very similar if not the same as:
> > 'Waypoints Invisible if not Direct from GPS
> > 1 El Tel  Sep 26'
> > But I can't see how to reply to his post. So here it is again and I
> > apologize for possibly repeating this. I've imported a tonne of
> > waypoints from my GPS. I get them into Google Earth and start tweaking
> > them so they line up perfectly with Google's maps. Then all of a
> > sudden they disappear including the routes that joined several of the
> > weigh points. This doesn't appear to be an elevation issue as I have
> > everything clamped to the ground. I believe this is a bug. Anyone have
> > any comments, suggestions or feedback?
> > Thanks in advance.
> > Cheers