Enquiring mind wants to know....

mona

Is "T@B" an abbreviation for something? 

Nomad

Been discussed - Found this searching for "abbreviation"...
http://tab-rv.vanillaforums.com/discussion/comment/4392/#Comment_4392

mona

Thank you. Just didnt look enough.

Nomad

Sometimes things are hard to find unless you happen on the right keyword.

ScottG

Some good info here, too: http://www.tab-rv.com/forum#/discussion/comment/26210

In particular, check out the "Tab Trailer History" .pdf posted by jkjenn.