lightning protection sys

160 meters long wire antenna - The Ladder-line Twin-lead Marconi Antenna system for 160 meters band

Top-Loaded Wire for 80 and 160 Meters - Operating on 160 meters from a city lot is always a challenge. Here's how K9YC does it.

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

G0KSC Revolutionary Yagi Antenna Feed System - New feed system for the Yagi directional beam antenna, that suppress unwanted side lobes within longer Yagi designs by G0KSC

The Joystick Antenna - The Joystick antenna was used many years ago as an all band vertical HF antenna under restricted space situations that would cover from 80 meters thru 10 meters with a tuner and was a great commercial success Some hams even had success with it on 160 meters.

Errante's capacitive RF Grounding - This system demonstrates that no galvanic coupling to earth is needed for a proper RF earth grounding

HF vertical ground systems experiments - Experiments on HF verticals with various ground systems including some with elevated radials.

Vegas Scanner - Las Vegas Police Fire EMS scanner. Also includes Henderson and Clark County Trunking System.

IARU Monitoring System sound files - IARU Region 1 Monitoring System, local QRM, PSK and FSK systems, radars, beacons, scrambles and illegal voice traffic recordings

Solar Panels and Home Kits - Solar Panels Grid Tie Systems, Kits, Fountains, Chargers and more

ROLCON RF Systems - High quality VHF/UHF Yagi (directional) antennas

Response Microwave, Inc. - Microwave Signal Processing Components and Subsystems, from design to manufacturing.

Doppler Systems - Radio Direction Finding products

K2DIG - Digital Interconnect Group New York City - K2DIG D-Star Homepage for information on NY City and Metro area D-Star Amateur Radio Systems.

Real time F2 Map - Global real time ionospheric foF2 map

Powering the FT-817 - Coupling the Duracell DR36 battery to the FT 817 The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector

Train's Towers - Maintenance of Antenna Tower Systems, Antenna tower foundation analysis and repair, Tower troubleshooting and repairing

Antenna Systems & Solutions, Inc. - Antenna Systems & Solutions, Inc. carries antenna mounts, antenna guyed towers, antenna self-supporting towers, four legged towers, BX towers, poles, tower hardware, and wall mounts.

Howell Communications, Inc. - Family owned and operated tower service company. Tower installation, Microwave and Broadcast Antenna Installation, Installation of Feed Lines, Ice Bridge Installation, Lightning Protection, Site Inspections, Alignment of Microwave Paths, Flash Testing, Sweep Testing, Tower Lighting and Relamping.

Maple Leaf - Located in southern Ontario Canada, supplier for HF VHF antenna kits, aluminium tubing, portable j-pole antennas, lightning suppressors, connectors and adapters

All-Risk Ham Radio Equipment Insurance Plan - Besides protection from lightning, this ARRL "All Risk" Ham Radio Equipment Insurance Plan also gives you the protection you need from loss or damage to your amateur station

WoodBoxRadio - Innovative and totally devoted to Software Defined Radio, our Company is the Italian official distributur of FlexRadio Systems products, and EU distrubutor of Microtelecom products.

Ipox5 voip remote link software - Ipox5 is a free version of the commercial remote base fixed link system. It allows radio to radio links with PC users access, and is secure (ie private use for taxi companies and remote offices to access remote base etc)and works over broadband. It is designed to maintain a link and work under all conditions. There are no restrictions for non-commercial use.

50 Ohm Oil Filled Dummy Load - N4SPP home built 400 W ham radio dummy load project

Lightning Protection using Relays - Why relays won't disconnect your antenna from your radio in lightning events