Grounding Bill Hider N 3 RR Grounding

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Grounding Bill Hider, N 3 RR

Grounding = Controlling Lightning!

For Protection! Personnel Equipment House/Facility

Specifically, Protect What @ N 3 RR? Personnel in the shack The Ham Shack/house Electronic equipment in the shack (TX, RX, AMPS, PCs, and the like) Electronic and Electrical equipment elsewhere in the house Rotors and their controllers Antennas Tower-mounted relay switchers Tower

Specifications/Standards ANSI/TIA/EIA-222 -E Available From: http: //global. ihs. com/

Technical Information/Documentation http: //www. lightning. Eliminators. com/ www. polyphaser. com Many others. Search for “Lightning”

Outdoors: The Ground Grid

Controlling Lightning (Tower)

Controlling Lightning (Tower & Shack)

5 f 12 = = = ee t = = KEY Common Tie-point 8 Ft ground Rod w/clamp 8 Ft ground Rod w/Cadweld Elevated guy anchor 1. 5 Inch copper strap # 4 wire TELCO and AC power entry 125 feet 134 Ft Tower 12 5 f ee t 52 Ft Tower Tel&AC Not to Scale SPG Box Ham Shack House

N 3 RR – Grounding @ Tower Lightning protectors: http: //www. polyphaser. com/ Andrew Ground Kits http: //www. andrew. com: Reference site: www. erols. com/n 3 rr Steel Hoffman Boxes http: //www. hoffmanonline. com/: Poly. Phaser Lightning Protectors:

N 3 RR – Grounding @ Tower leg w/ground wires shown

N 3 RR – Grounding @ Tower Not shown (on the tower): üMOVs at each Ring Rotor – from each control wire to ground üMOVs at the 80 Meter antenna relay box– from each control wire to ground üAndrew Ground Kit from each coax to ground as close to each antenna as possible

N 3 RR – Grounding @ Guy Anchors Guy anchor ground wires

N 3 RR – Grounding – SPG @ House

= = = 5 f 12 Review ee t = = KEY Common Tie-point 8 Ft ground Rod w/clamp 8 Ft ground Rod w/Cadweld Elevated guy anchor 1. 5 Inch copper strap # 4 wire TELCO and AC power entry 125 feet 134 Ft Tower 12 5 f ee t 52 Ft Tower Tel&AC Not to Scale SPG Box Ham Shack House

N 3 RR – Grounding – SPG @ House Other Connections Beverage coax entry & left side copper ground strap: Copper strap grounding to 8 ft copper ground rod:

N 3 RR – Grounding – SPG @ House Other Connections Other end of copper ground strap (after 3 ground rods):

Indoors: The SPG Grid

SPG Box (External) SPG Wall Panel üAll equipment grounds “home-run” to this SPG panel. üAll coax passes through this panel with “double-barrel” feed -through connectors. TELCO & Electric Ham Shack House

N 3 RR – Grounding –Inside Electrical box to ground strap connection:

N 3 RR – Grounding –Inside SPG panel inside:

N 3 RR – Grounding – Results Since November 1994, one IC-781, IC-4 KL, 5 Ring Rotors, One Hy-Gain rotor, 4 Packet Cluster Radios, 2 PCs, with all antennas hooked up. Only one failure due to elecrical shock: I left the ground wire off of a Ring Rotor controller durning a period of 1 week for maintenance and a nearby lightning strike burned out an internal Zener diode. NO OTHER FAILURES IN OVER 10 Years CONTINUOUSLY CONNECTED!

N 3 RR – Grounding – THE END!

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