I think this is a problem that crops up in a few GRASS places:
if you use decimal degress, then use a "-" sign to indicate W or S.
if you use dd:mm:ss, then the E|W N|S flags are the way to go.
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__ L Dr Simon Cox
,~' L_|\ VIEPS Department of Earth Sciences,
,-' \ Monash University, Clayton Vic 3168
( \ Australia
\ ___ / Phone +61 3 565 5762
L,~' "\_x/ Fax +61 3 565 5062
u simon@artemis.earth.monash.edu.au
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