Quoting Rob Clark <clark at FreeNet-Antennas.com>: > Mark, > > You are correct. Double the slots ==> 3dB extra gain. > > Practical Limit? Hi Rob, Many thanks. That site that you mentioned was excellent. Regards Mark To unsubscribe: send mail to majordomo at wireless.org.au with "unsubscribe melbwireless" in the body of the message