Catenary wire height

Hi
When adding catenary to my tracks using the OHLE Gantry tool the wire height is always to low regardless of which route's tool I use.
I've tried NYNH, NEC and NJCL. What am I missing?
TIA
Jim
When adding catenary to my tracks using the OHLE Gantry tool the wire height is always to low regardless of which route's tool I use.
I've tried NYNH, NEC and NJCL. What am I missing?
TIA
Jim