CPTv10+ files for root mean sq anom $partialdiff sub Y$ $partialdiff sub X$ [ WORLDBATH432 bath ]

WORLDBATH432[bath ]
grid: /X (degree_east) periodic [ (0.4166667E) (0.4166667E) (1.25E) ... (1.25W)] N= 432 pts :grid
grid: /Y (degree_north) ordered (89.58334S) to (89.58334N) by 0.8333334 N= 216 pts :grid
root mean sq anom $partialdiff sub Y$ $partialdiff sub X$ [ WORLDBATH432 bath ] [ X |]