The WB6DAO IRLP node, 3910, is linked to the W6GAE UHF  repeater on Sunset Peak, high above the city  of  La Verne  at an  altitude of  5,200 feet.  W6GAE, part  of the SOLAR system, has been covering the greater Los Angeles area from Calabasas to El Toro since 1983.  
The actual computer is located in Hacienda Heights, California.  In an area known as the San Gabriel Valley near Los Angeles.  
 
Using a cable modem and a 233Mhz Pentium computer connected to a UHF Commercial Johnson radio.
 
This is the link radio.
 
Node 3910 is connected to a closed UHF repeater.