On Thu, 30 Oct 2008 09:55:01 -0400, Julio Peralta wrote: >the failure rate has to be less than a couple of percent. When the item failing is at the top of a tower and it costs as much as the antenna to get a qualified climber to get to it, "a couple of percent" is NOT a low failure rate. 73, Jim Brown K9YC Old Fart, non-climber