Rich McAllister K6RFM wrote:
So, does anybody here have any idea
why the coax coil choke and the ferrite bead choke would have been so
different?

Was the coax choke single layer or bunched?
How many turns on what diameter? Here's some
measured data:

http://www.k1ttt.net/technote/airbalun.html

Note the narrow bandwidth of the coax coils
Vs the broad bandwidth of the beads.
--
73, Cecil http://www.w5dxp.com