TBC "Throws error"

The type initializer for 
'Trimble.Vce.Data.RawData.PrismTypeTypeDescriptor' threw an
exception.

After some maintenance on my computer, I downloaded and installed the latest version of TBC (4.10).

I have uninstalled and reinstalled several times. All lo

Old H.I. rods needed

I am in need of two slant height rods marked in cm and mm.to aid our research group at LSU measure the H.I. of our gravimeters.

Ashtech had black ones, hollow with elastic through the center.They would be ideal.

Any help appreciaed.
JAC

Assistance needed

Assistance needed:  I am building a chart of geoid heights going back to Geoid96.  All the epochs worked except I cannot make the older software for Geoid96 work.  When it should give me a list of geoid model files to use it llists none.  Yes, I've d