Philadelphia Area Repeater Association

Southwest Quadrant Repeater Site

146.940 MHz W3EOC/R

WEST CHESTER, PA

Picture Page

These are the signs that greet you as you drive North on Westtown Road from Route 202.

CCGSC Name Sign

PARA's host is the Chester County ARES/RACES organization.
Their offices and communication center are located in this building
along with the Chester County Emergency Operations Center ( EOC ).

CCGSC Building

This is the front of the building and the main door is in the middle. You can see the communications tower to the left and behind the building.

CCGSC Antenna
Tower

This is a closer view of the communications tower. The 146.940 MHz antenna is a four dipole array, Decibel Products Model DB-224, and is the bottom antenna on the right. The tower is 195 feet high and antenna mount is at approximately 95 feet. The antenna is 20 feet tall and is oriented to the Southeast.

Coverage Map

The circle is a 30 mile radius of the Chester County Government Services Center Building at 601 Westtown Road in West Chester, PA. The light area within that circle represents good coverage. The dark area represents poor or no coverage.

If commercial power fails the UPS system takes over immediately and runs the critical equipment until the main emergency generator can start up, get up to speed and then take over from the ups system.

CCGSC Generator

This is a back-up, back-up generator which is identical to the main back-up generator in case that one fails.

This is the 146.940 MHz W3EOC/R repeater mounted in a six foot relay rack.

146.940 MHz
repeater

This is a closer view of the 146.940 MHz repeater and rack.

146.940 MHz
repeater

This is a close-up of the Spectrum Communications SCR-77 VHF Repeater which you hear on 146.940 MHz.

This is the Wacom duplexer which is used on the 146.940 MHz repeater.

Hardline and
jumper

This is the 7/8" hardline and the jumper that connects it to the repeater.

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