[texhax] Psnup: two landscape pages (slides) per portrait page

[McAllaster, Douglas, CTR, OASD(HA)/TMA]

Howdy, Folks,

Does someone know the options to make psnup 
put two landscape pages (slides),
on each portrait per page, 
one on top of the other?

Thx, Doug McAllaster
Douglas.McAllaster.Ctr at Tma.Osd.MiL
703-588-1837