I know you said you had tried cooling the Wap11s.... However based on my experience those are extremely temperature sensitive (i.e. too hot = they fail). So I would re-visit that as a possible cause.
PH ____ Snip: I have a 5 mile 802.11b link that works fine until air temperatures exceed around 85 F. Over a period of about an hour, the percentage of missed pings grows from zero to 100 percent. ___ -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
