This is part of the Cactus Intertie?
A closed, private amateur radio system consisting of a large number of remotely controlled base stations. It covers large portions of California, Arizona, New Mexico, Nevada, Utah, Colorado and Texas. Additional coverage is now available in the Washington D.C. and the surrounding area of Maryland, Virginia and West Virginia, Pennsylvania and Delaware, however it is not linked to the rest of the system on a full time basis yet.
The Calnet system consists of several fulltime linked 440 Mhz repeaters connecting San Diego to San Francisco and Tahoe. Dues are $125 per year.
An open, 222 MHz network of linked repeaters throughout California and into Las Vegas, Reno, and Phoenix as well. Local nodes include San Francisco and San Jose.
The PAPA System is a community of 300+ radio amateurs enjoying the use of twenty-two (22) inter-linked analog and digital D-Star repeaters, providing extensive coverage of the Southern California region and beyond. They claim to have reliable communications from the Mexico border to North of Santa Barbara, and from the Arizona border to “maritime mobile” well out into the Pacific Ocean.
WALA links repeaters in all sorts of bands, including 2 meter, 222 MHz, 440 MHz, and even 1.2 GHz.
The WIN SYSTEM is a series of linked, or Intertied, UHF (440 MHz, or 70 cm) repeaters that cover a great deal of California. The WIN SYSTEM is owned and operated by Shorty, K6JSI, with a lot of help from the WIN SYSTEM membership.
This 1.2 GHz repeater network covers a really wide area.