FCARC Technician Class January 2012 Session 1, Part 2: Repeaters.

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Presentation transcript:

FCARC Technician Class January 2012 Session 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: MHz output frequency: MHz 70 cm (Rocky Mountain, Greenfield) input frequency: MHz output frequency: MHz CTCSS tone: 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, Leyden Mt Monadnock on the horizon

KB1BSS 2 meter antenna on 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