FCARC Technician Class

January 2012Session 1, Part 2: Repeaters

Repeater Concepts:

- Output frequency: a user listens on this frequency

- Input frequency: a user transmits on this

- Offset: usually +/- 600 KHz on 2 meters, +/- 5 MHz on 70 cm

- Subaudible tone: used to prevent repeating interfering signals

2 meter repeaters near Greenfield

440 MHz repeaters near Greenfield

Franklin County Amateur Radio Club Repeaters

2 meters (Frizzell Hill, Leyden) input frequency: 146.385 MHz output frequency: 146.985 MHz

70 cm (Rocky Mountain, Greenfield) input frequency: 443.875 MHz output frequency: 448.875 MHz

CTCSS tone: 136.5 Hz (both repeaters)

KB1MSU (GHS) line of sight

N1AW (Leyden) line of sight

N1AW

KB1BSS repeater (Leyden) line of sight

KB1BSS repeater site from Poets Seat

KB1BSS repeater site, LeydenMt Monadnock on the horizon

KB1BSS 2 meter antennaon FM station tower

KB1BSS 440 MHz repeater, line of sight

KB1BSS 2 meter repeater control apparatus

KB1BSS 440 MHz repeater antennas on Rocky Mountain(Poets Seat) above Greenfield

Equipment rack, 440 MHz repeater

Equipment rack, 440 MHz repeater, rear view