Rick wrote:
>
> Now I know that when the LF GWEN system (Ground Wave Emergency Network)
> was discontinued, instead of liquidating the sites, at least some of
> them were converted to special correction beacons. The surveyor was not
> familiar with these and I am not clear how or when they are used
Speaking of GPS ... I am having some survey work done on my farm and met
with one of the surveyors a week or so ago. He indicated that the
government is going to have some kind of improved correction
transmitters or something like that. He claimed that they may not even
need to set up benchmark
