Same as the PP1 but with an unprinted white edge border for greater definition of headings scale.
128mm square. 0-360 scale on out-side edge with reciprocal headings indicated adjacent.
Location letters N.E., S.E., S.W., and N.W on corners.

Centre drilled for location and gridded in squares of 13mm (4 nm). Supplied in self-sealing clear plastic case.

• For higher definition