The question is, why do you want a better ground.  If it is to protect you 
from lightning, forget it, you would have to put in one heck of a ground 
system to do that and even that is no guarantee.  If your station is 
working as is with no rfi and so forth, just ewnjoy it.  i know all the 
radio people say you should ground and I don't dispute that.  I just have 
never really done much grounding at my station here at home.  I had my 
tower grounded, actually, both of them, but they blew down, so I really 
don't have any of my stuff grounded and all works fine.  A ground rod 
won't hurt, well probably not.  Seems like when I decide to tie everything 
here together as you're supposed to do, I get hum and ground loops and all 
that.  If it works, just operate and have fun.  Don't get hung up in the 
what is on paper part.
Just my two cents worth.
73
Butch
WA0VJR
Node 3148
Wallace, ks.