Ship me an email address (none on your QRZ page) and I'll send you the FT107 Tech Supplement.
It might be of help.
My email is fiftymegs at juno dot com...send me the address to that adress.
It would really help new amateurs who want to build antennas to find an older copy of the ARRL Antenna book. There are too few explanations and too little data in the current editions. By old I mean say pre-1989. Cruise hamfest tables and Ebay, there are plenty available pretty cheap.