Mt. Bigelow

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Mule Mountain
Mt. Lemmon
Elephant Head
Tucson
Heliograph
Dragoon
Dark Canyon

Mt. Bigelow is the hub of CARBA's microwave linking project. Located east of Mt. Lemmon, Mt. Bigelow is situated such that there are many line-of-sight paths available. The pictures and descriptions on this page show the some of the construction which rebuilt the site to make room for a number of high power digital television transmitters. We had to relocate our dishes and feedlines periodically during the construction period.

Pinal Dish
Tired crew
The first dish installed is an 8' grid dish pointing to Pinal Peak. The outdoor installation crew: K7LHR, W7RAP, KB7RFI, W7HSG take a break.
Inside Crew
Elephant Dish
Meanwhile, the indoor crew: N7JZT, KB7RFI and N7LDI were assembling the dish to point to Elephant Head. This is the completed Elephant Head dish. It points thru plywood that acts as a radome.
Wiring rack
Radio in rack
N7LDI works at wiring power to the rack. This is the radio rack with the microwave radios. Farinon SS-2000 at the top and GrangerTelettra HR-2's below. Homebrew filter panels fill in the center.
Interface Rack Both Racks
This is the "interface rack. It contains the 420 link radios to Jacks Peak and San Manuel, the mux shelves, interface shelf and Palomar controller. N7CK making a few adjustments on the controller.
Racks
Antennas
Another view of the racks in the attic. N7JZT installing the IRLP link antenna.

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