How do i check midi signals?

I know theres an application out there that will tell me if its sending proper signals but i cant remember it!

BANGERS

It's Midi-Ox you're after I think. Enjoy...

http://www.midiox.com/

thanks jac, also a quick google search will work.

http://www.snoize.com/MIDIMonitor/

found it,

thnx