Avondale was on Glendale's old radio system... they have also switched to the Phoenix RWC. They operate off of Simulcast G. Try the talkgroup 4499 as their dispatch. Everything else should be encrypted.
thanks for all the info, hopefully avondale will be up-dated soon on RR. Are there going to be any scanners developed that can recieve encryption ?? I just spent 300 on a pro-106 to monitor west valley