simpson 650

HB9AGD Magnetic Loop - Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french

SP-QSL Gallery Online - The SP-QSL-Gallery is a Polish amateur radio QSL collection It currently contains about 6500 cards, split into 14 unique areas for easy browsing.

The Aylesbury Vale Repeater Group - The Aylesbury Vale Repeater Group - GB3VA - 145.700 / 145.100 Mhz 433.050 434.650 Mhz. GB3VA GB3AV GB3BV GB7VA Site maintained by Phil M0PSH Aynet

N6INM Glenn - Website consist of computer education, army signal corps links, and Bio

VK3RVZ IRLP Node 6506 - VK3RVZ IRLP Node 6506, covering the Port Phillip bay area and inner suburbs

KG4YZY / N4SCF Repeater System - Information and a photo album of the KG4YZY 146.760mhz and N4SCF 442.650mhz repeaters in New Port Richey, FL. System is linked 24/7 into the NI4CE regional system. Online streaming & echolink online.

Test equipment manuals - Test Equipment Manuals for Hewlett Packard (HP), Tektronix, Fluke, Simpson, and others.

Audio Kit for iPhone - Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator.

Tower down conductors prove relatively ineffective. - Exploring the need for tower down conductors

About lightnening protection for Ham Radio Stations - An overview of Lightning Protection for Ham Radio Stations.

Ligthning: Protecting Towers - An interconnected concrete tower base can help the tower ground system.

Corrosion protection for tower structures. - Galvanic action. Corrosive effects of soil conductivity.