Hi All
R.C.A sold CTC11 / 15 / 16,s which had been converted by them to UK system I 625/50 4.43Mhz NTSC 240v 50Hz power in the early 1960s and some still exist.
I have ctc11 / 15/ 16 TVs the 15 and 16 are working well with good pictures.
If you go to :-
https://www.vintage-radio.net/forum/...ighlight=ctc16 you can see the ctc16 coming back to life.
Keith