This video will show you how you can repair your TBS triumph antenna with a $1 part and some heat shrink! Enjoy!
Here are the measurements of each antenna part prior to soldering new pin and SMA:
Wire showing: 2.25mm
Wax layer showing: 2.95mm
Ground sleeve showing: 3.84mm
Here is the amazon link for the SMA connectors:
https://www.amazon.com/Eightwood-Connector-Solder-Mount-RG402/dp/B01146L6ZG/ref=sr_1_1?ie=UTF8&qid=1491517452&sr=8-1-spons&keywords=rg402+sma&psc=1