I fly a motorglider, but used Rod for oxygen when I landed there. It
was the only place I knew that could fill my bottle to its 3000 psi
limit, but it was wise to have lunch while his pump worked away,
seemingly one psi at a time and with a loud noise with each cycle of
the piston ( a couple of seconds per cycle if memory serves me). I
enjoyed my time at Bishop and Hangar One and will miss him.

Martin