Knight KG-687 Sweep/Marker Generator

[crist]

I'm looking for some help in that I'd like to add a BNC to the marker signal so I can read what the marker frequency is with my frequency counter.

Here is a link to the schematic:

www.dropbox.com/s/d9uq4v8zda07vae/KG-687%20Schematic.pdf?dl=0

Thanks.