I have a small drawing, but I can't scan it till later tonight.
Drill a 5/8 diameter hole in the bottom of the canard (maybe 1 inch deep). This hole will be where you'll install the BNC connector. Make sure it doesn't interfere with the F22 bulkhead AND DO NOT drill into the spar cap.
Cut your 2 foil tapes to the correct length. Remember, one end of the tape will be cut to a sharp point, the other end will just have a plain 90 cut.
You will be installing the foil tape on the bottom of the canard.
Remove the adhesive backing and lay down the two pieces of foil. The 90 degree end of the tape should butt up against the 5/8 hole, the tape is then stretch straight out toward the end of the canard, one tape on the left of the 5/8 hole, one tape on the right of the 5/8 hole.
You'll need a panel mount female BNC connector with the nut and a grounding solder tab that fits under the nut. Install the ground solder on the bottom of the BNC connector and tighten the nut.
Take two pieces of teflon covered wire, about two or three inches long. Solder one wire to the BNC center, and solder the other wire to the grounding tab.
Twist these two wires together.
Slide a toroid bead over the twisted pair.
Solder one wire end to one of the foils, and solder the other wire end to the other foil.
Put a piece of masking tape around the end of the BNC connector to keep FLOX from getting on it.
Mix up a small amount of flox and ffill the 5/8 hole 1/2 to 3/4 full.
Shove the twisted wires and torroieds into the hole, shove the BNC connector in so that only the connection end is sticking out.
wipe off excess flox, and let cure.
NOTE - At this time, you should also cover the foil with one layer of BID, then peel ply.
First - A coupler is OK, Actually, you will cut the signal in 1/2 (3db) 1/2 goes to the VOR, the other 1/2 goes to the GS.
But I bet a weeks pay check that unless you set up the elaborate shop equipment, you would never be able to notice this 3 db loss. Couplers are no problem and are used throughout the industry. I've installed dual VORs, dual GS, and even had a LORAN all on the same antenna.
Second - The VOR and GS antennas must be horizontally polarized (antenna flat as opposed to up and down)
ALSO, for optimum reception, the antenna must be at 90 degrees in relation to the transmitter. This is MANDATORY for GS. An antenna on the fuselage side would work great if your flying sideways.