lightning protection sys

160m Aerials for small gardens - G7LRR aerials\'s that work in small Garden of 20ft x 15ft with a 60ft mast

Baluns in antenna systems - Understanding Baluns. This article explores some simple antenna system configurations and the effect of key system components, connections and dimensions on feed line common mode current.

Homebrew a Buddipole antenna - Homebrew a buddypole-style portable antenna system

Western Pennsylvania Repeater Council - Coordinates amateur radio repeater systems, control and link frequencies

KRG Kidderminster Repeater Group - A non-profit organisation responsible for the maintenance of the GB3KD 144MHz VOIP Repeater, and KidderLink simplex gateway, plus the KIDDER packet radio node and GB7PZT bulletin board system.

Sasquatch Amateur Radio System (SARS) - Serving Southern California Since 1980

Pelican Cases - Manufacturer of lighting systems and shipping cases

Automated Packet Reporting System - Hak5 Episode 608 – Automated Packet Reporting System

VK2RMB repeater system, Sydney, Australia - information on the VK2RMB repeater system for the Manly Warringah Radio Society, on the northern beaches of Sydney, Australia.

k7ICU Tucson AZ Repeater - The K7ICU repeater system is situated about 500' above metro Tucson, at the base of the Catalina Mountains. It is an open system providing coverage to the greater Tucson area.

WB2HWW NYC Priority listing - A very active repeater system in NYC streaming live 24/7 on thier website & on shoutcast under the listing WB2HWW & also can be heard world wide on 10 meters 29.660 with links on Echolink & IRLP

The Grand Mesa Repeater Association - Operate several remotes linked to the Cactus Radio System in southeastern Utah, and Western Colorado, and an Open system in Western Colorado.

Long Range Wi-Fi System - How build a long range wi-fi system

KENWOOD TS-480 Series In-Depth Manual - This document contains a great deal of information regarding the engineering intentions, design and technical information pertaining to the exceptional TS-480 series (TS-480SAT and TS-480HX) rigs

CAT System on MIC socket for Yaesu FT-897 FT-857 - How to redirect the CAT to the MIC socket on the Yaesu FT-897/857

SWL Antenna Distribution System - a methodology for connecting multiple LF/MF/HF receivers to a single antenna via readily available and inexpensive 75-ohm TV cable.

QRQ CW trainer - qrq is an open source Morse telegraphy trainer which runs on several operating systems (Linux, Unix, OS X and Windows), similar to the classic DOS version of Rufz by DL4MM.

iPad iPhone HF Weather Fax Decoder App - HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.

Common mode current - Balanced and Unbalanced Systems

House ground layouts - Hams or amateur radio operators and CB operators usually cannot have ideal grounds, but with some care and planning they can have nearly perfect systems

Lightning and Surge Protection - Interesting PDF Document on Lightning and Surge Protection

Lightning Protection - About Lightning Protection by Solacity Inc

Grounding on lightning protection - A good ground is very important, maybe the most important thing, in mitigating lightning damage

12V System Surge protection - A surge protection project by G8MNY

HSMM project using Linksys WRT54G - Create a APRS digipeater and internet gateway using WRT54G