N2HJD REPEATER MEGAPLEX, SPECIFICATIONS

Bob Shewell, N2HJD/R Trustee & Builder

"The Megaplex" is a home brew repeater system made from modified commercial equipment and from scratch


Controllers: 1qty RC850, 17qty home brew, 1qty home brew DVR / RC850 backup, 1qty I/O expander & battery backup

Features: Remote base & receivers, links, translator, DVR, telemetry, emergency power, weather radio, paging, and autopatch


The repeaters making up "The Megaplex", Note: Most repeaters operate open carrier but all are PL decode capable

10 meters: Output= 29.680, Input= 29.580, Note: split site repeater
Location= Brighton, Power= 100W, ERP= 100w, ASML= 650ft, PL= 123hz
Equipment used: Receiver= GE, Transmitter= Motorola, Links= Harris, Control= Harris, Controller= N2HJD

6 meters: Output= 53.330, Input= 52.330, Note: split site repeater
Location= Henrietta, Power= 125W, ERP= 250W, ASML= 725ft, PL= 123hz
Equipment used: Receiver & Transmitter= Motorola, Links= Midland, Control= Harris, Controller= N2HJD

2 meters: 1st: Out= 146.925, In= 146.325, Translator= 147.525, 2nd: Out= 145.410, In= 144.810,
3rd: Out= 147.390, In= 147.990
1st, 146.925: Location= Mendon, Power= 75W ERP= 600W, ASML= 710ft, PL= 110.9hz
Equipment used: Receiver & Transmitter= Harris, Link= Midland, Control= Harris, Controller= N2HJD

Translator= Receiver, 147.525 & Transmitter, 447.800= Harris, Control= Harris, Controller= N2HJD

2nd, 145.410: Location= Farmington, Power= 35W, ERP= 250W, ASML=820ft, PL= 110.9hz
Equipment used: Receiver= Hamtronics, Transmitter= GE, Link= Harris, Control= Harris, Controller= N2HJD

3rd, 147.390: Location= Brockport, Power= 35W, ERP= 250W, ASML=770ft, PL= 110.9hz
Equipment used: Repeater= Icom IC-RP1520, Link= Harris, Control= Harris, Controller= N2HJD/Icom

1 1/4 meters: Output= 224.580, Input= 222.980
Location= Rochester, Power= 20W, ERP= 150W, ASML= 420ft, PL= 110.9hz, Note: Hub
Equipment used: Receiver & Transmitter= Yaesu, Control= Phone, Controller= RC850 & N2HJD

70 centimeters: 1st: Out= 442.800, In= 447.800, 2nd: Out= 442.900, In= 447.900, 3rd: Out= 444.700, In= 449.700
1st, 442.800: Location= Rochester, Power= 100W, ERP= 1000W, ASML= 450ft, PL= 110.9hz, Note: Hub
Equipment used: Receiver & Exciter= Spectrum, PA= Motorola, Control= Phone, Controller= RC850 & N2HJD

2nd, 442.900: Location= Honeoye, Power=25W, ERP=150W ASML= 1240ft, PL= 110.9hz
Equipment used: Receiver & Transmitter= Harris, Link= Harris, Control= Harris, Controller= N2HJD

3rd, 444.700: Location= Mendon, Power= 50W, ERP= 400W, ASML= 710ft, PL= 110.9hz
Equipment used: Receiver & Transmitter= Harris, Link= Midland, Control= Harris, Controller= N2HJD

23 centimeters: Output= 1288.00, Input= 1268.00, Note: vertical seperation
Location= Rochester, Power= 1W, ERP= 10W, ASML= 385ft, PL= 110.9hz
Equipment used: Receiver= Motorola & Harris, Transmitter= Icom, Link= Harris, Controller= N2HJD


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