> Hi! Does it make any difference if I mount a j-pole upside down?
 >  I have the idea to attach a 440 j-pole to the bottom of my 2 meter
 > j-pole and mount both of them using a piece of 2 inch pvc with the 440
 > ant sticking through it.
Well, you could always build the 2m jpole, and then add another "T" section 
and an elbow for 440, at the top of the 2m pole... the remainder of the 
copper sticking up will act nicely as a UHF antenna.
73 = Best Regards
-Jeff KA5THB
--- FMail 1.02
---------------