I've finished the new radio controller with video. I added a sunshield and a belt pack for the two 12-volt batteries that power the LCD panel and the video receiver. In the photo to the right, you can see the latest version with the waist-worn battery pack.
I also constructed a rig add-on for the new laser range finder. This device measures distance to the ground and stores data in a Recon data collector. Combined with post-processed GPS data collected via the Trimble GeoXH units, we can determine the elevation of the point immediately below the cameras. Woot. To do this, I need to make a hanger that would allow the rangefinder to hang directly down with 2 degrees a freedom. A trip to Harbor Freight and the purchase of a chair caster solved that problem (plus a bunch of stock aluminum).