lightning protection off

Off Center Fed Dipole - A K2GXT project documentation of how to homebrew and setup an off-center fed dipole

Another vertical antenna for 30, 40 and 80 meters - This article is to describe a multi band DX-dedicated antenna offering a minimum of compromises (such as lossy traps), for the hams not having any high-support

ODXC Web Monitor - Obninsk DX Cluster Web Monitor, telnet and Java based Web access. Offer a simple DX Cluster web interface.

SOTA Reflector - The official Summits on the Air discussion group.

Summits on the Air discussion group - Official summits on the Air discussion group

Central Michigan Amateur Radio Club - Offer a wide variety of activities, including instruction to prospective new Amateurs, and classes for upgrades to General and Extra

North East Mississippi Radio Amateurs - The Official Northeast Mississippi Radio Amateur Club is working in public service and for the expansion of amateur radio.

W7AIA, Clark County Amateur Radio Club - Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas

HamRadioLicence.net - Commercial ham radio license exam preparation software that contains the latest officially released questions.

Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles

Lightning Protection International - LPI personnel have combined experience over many years in servicing customers throughout the world. Our experience covers projects in some of the most lightning prone areas.

ElectroSwitch - Leading rotary switch manufacturer, Electroswitch Electronic Products offers a complete, vertically integrated, manufacturing and assembly facility dedicated to producing rotary switches

DK9SQ Antennen - Walter Spieth Antennen offer, Duoband-Portable-Log. Periodic 2m/70cm, Vertical-Loop-Antenna,10-40 Meter and PortableW3DZZ-Antenna as well as fiberglass tubes

Megacycles - Hams on Bikes - The Megacycles combine the hobbies of amateur radio and bicycling. This group is not a club as there are no officers, dues or by-laws.

Amsat Oscar-10 - W4SM's AO-10 Unofficial web page

AO-27 official site - This site contains the most up-to-date information on AO-27 that can be found. It is updated by the control operators who run the satellite.

AA4DF's Consumer Electronics Repair - Look for free manuals (download) in amongst paid offerings for test equipment manuals. The freebies page also has mostly ham material. We do also sell major ham collections at pretty much close to our production and distribution costs.

Mikes Windmill Shop - Mike's windmill shop offers you quality wind power that is affordable. alternative energy - wind power generators, permanent magnet alternators, solar panel power.

LAM Communications - Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK

Cb Radio USA - Cb radio store online offer variety of Cobra Cb radios for sale for you to choose from.

Praxtel Telecommunications - Praxtel offers coaxial cable and connectors, as well as fiber optic cable, connectors and other products for telecommunication applications. 50 Ohm Coaxial and Helical cables. 75 Ohm coax cables.

Press2Talk - Dealer for Motorola to the full Kenwood, Icom, Entel, and Foretrack. Offer Based in East Sussex UK

AirLink Express - AirLink Express is a user friendly digital mode software package for the Amateur Radio Operator. The software is compatible with Microsoft Windows XP and Microsoft Windows Vista. It offers PSK, MFSK and RTTY digital modes with logging and macro capabilities. If you have ever used the Digipan software you will be immediately familiar with Airlink Express. The user interface is almost identical by Alex Krist, KR1ST

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Antenna Selector - This project was built to be able to experience with more of an antenna and also in turn to be able to have a system that offers security to the receivers, carrying out the discharge to ground of the antennas