gps ll to utm

Hello,
Is there a GRASS tool which converts GPS lat/lon coordinates to UTMs?
Also, can someone tell me what the equation is for converting GPS lat/lon
to standard lat/lon (d:m:s)?

Much thanks,

rono

Our GPS (Trimble) produces GRASS site_list format lat/long coordinates;
it seems to me that you should have no problem converting these to UTM
using proj (or its close family v.proj/r.proj).

Philip Verhagen
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