sine (SIN) function springs to mind via a generated table and a variable for the size of the individual circle
Cartesian-to-polar conversion might be handy too for a sweeping vector converting from X,Y information (easting/northing) to line-length and angle but this is to digress
Am I close?
Via Excel’s functions I mean and cut and pasting the XY points into the mission dot mis file?
Have a look at Extreme One’s ‘Normandy chimley pots’ posts at Ubi/SimHQ Painter. Interesting stuff. As is this work of yours. Very nice mate
The intervals are in 5 degree steps, excel expects angles in radians so use (RADIANS) to convert.
You don’t have to cut and past between files Ming (within a file yes) - if you read my notes, you’ll know I use Excel to edit the mission file directly