I have a homebrew t match using a 60mmx 30cm long 60 turn roller inductor and a wide spaced approx4mm 2x300pf dfferential cap,ive just finished the twin needle power/swr calibraton pcb for high and low ranges,its working great but has no balun yet,question 1,where is best to fit the 1-1 or 4-1 balun(undecided what ratio to use), would it be best on the tx side or ant side?,i also have an sem transZmatch ,question 2,what will be most efficient used with a doublet the z match or t match?,cheers +73.