Hello Paul,
I had a great pleasure hearing your DX QSO on your Saturday activation.
Now it’s a bit sad to know you had some dead rig on Sunday, but I’m sure you’ll soon replace your blown finals in your nice tiny homebrewed rig.
Perhaps it does worth to pair your TRX along with an SWR indicator, some sort of SWR bridge or any other of the existing solutions, like this one that probably fits in your pocket size rig:
Some interesting discussion here:
Another interesting kit is here:
As discussed here:
Now you’ve got lots of literature to digest!
Take care and wishing to have a new QSO with you soon Paul!
73 Ignacio