Latest news following a dialogue with Raymarine support people:

snip
I called a Rep for Navpod they are coming out with a C-80 pod which
will be available mid-April. The part numbers are as
follows:

CP-10RC Pre-cut 9-1/2" pedestal guard list $340.00
CP-20RC Pre-cut 12" pedestal guard list $340.00
(GrandPrix)GP1061 Pre-cut 9-1/2" pedestal guard list $500.00
snip

Phil