2" by 2" TCXOs with trimmer adjust hole in one side. (Pinouts)

2" by 2" TCXO with trimmer adjust hole in one side.
WA6EXV's modification to add external voltage control.
See 1999 Microwave Update Proceedings, Page 141.

1.5" by 1.5" TCXOs without trimmer adjust hole. (Pinouts)

1.5" by 1.5" TCXO without trimmer adjust hole.
WA6EXV's modification to add external voltage control.