While that makes sense, what about the concept of reliance by the property owners?  Suppose none of the owners ever did anything that used the f...

Jim, can't you do incremental updates to shorten the time? Surely you don't generate that much new data per day.

Rather than 24 hours, the magic time for a session that ends before 0000 UTC (USA evening) may be about noon EST on the next day or a little after.

Ok, drop all references to leap seconds.  They just made past weeks longer than Excel knows about, so we don't need to consider them in any formu...

I don't know why this is so hard for me to think about. Makes me feel stupid to have to post so many times with corrections. Try constant 29226.00020...

It's confusing to check the formula using the GPS origin because Excel doesn't know about leap seconds. By our present UTC clock, GPS origin was 18 se...

Edit: try this as a start.?ÿ The constant may not be exactly right, as I can't get Excel to display your format including decimal seconds, and?ÿ week ...

JAS, I think that was a tad too strong.

Those numbers must apply to observations of some lengths that need to be specified, and undoubtedly very different ones. ?ÿ

So was Mr. 2001 retracing a 1983 survey?

www.iowalandrecords.org has it all back 20-some years, provided by the county officials.?ÿ Registration is free, download is free.

Try the NGS tool kit program to get geodetic, and then apply mapping angle theta for the SPC or UTM or whatever you are using.

Thanks for the post.?ÿ I am using Topcon Tools in demo mode and this may let me expand the things I get to play with.

Yeah, but aren't those examples of how to prepare the disk before putting it on a rod?  You don't put the dimple in until it's in place and you'v...

Bobby pins are still around, but that form of address would get you into deep trouble now.

We hope the manufacturers make the chargers smart enough to properly care for the batteries.?ÿ That process depends on the choice of battery chemistry...

I am making progress on learning to use Topcon Tools demo mode, but have also gotten my program working to process two Rinex files with overlapping ep...

The company I worked for had a rule that only original receipts could be used to claim reimbursement, no copies.  I suppose they were afraid of m...