1200RC

On May 3, 2019 K1TWF and W1USN visited the 147.12/.72 repeater in Billerica.

We took some pictures of the site to help estimate the difficulty in removing the repeater and ancillary equipment.

Repeater cage on 6th floor Concord Road. Notice spare StationMaster antenna on floor.


W1DC Repeater
Duplexer is on top of the rack cabinet. GE Progress Line transceiver modified for Amateur use and repeater controller are in the rack. The 12V power supply for the repeater is on the floor to the right of the rack.

W1DC Repeater
Duplexer is on top of the rack cabinet. GE Progress Line transceiver modified for Amateur use and repeater controller are in the rack. The 12V power supply for the repeater is on the floor to the right of the rack.
Closeup of duplexer

Measurement of duplexer
Side of repeater cabinet with power supply on floor.

Front of old W1DC repeater that was based on an old FAA VOR transmitter for the PA. It was a very reliable amp.
Rear of old W1DC repeater.
Filing cabinet, every drawer is full of documents!

Operating console for the 1200 Radio Club that was at the station on the 5th floor when Honeywell owned the building. There were two of these custom made consoles, the other was purchased by a club member.

There are two large cabinets in the cage. This one is filled with test equipment.

Contents of other large cabinet. Mostly parts.
Small cabinet, some tools, soldering, etc.
Misc wire and coax.