wire slim jim

The 160M Homebrew Vertical - The 160M "No Excuses" Homebrew Vertical is a 27 ft. vertical antenna, made from three 10 ft. PVC sections bolted together, and half wavelength of antenna wire helically wound around the PVC sections by K6MM

40 meter delta loop - M0MCX - Pictures and details of a wire delta loop antenna for 40 meters band

6 meter wire antenna calculations - Six meter wire antenna sizes

20 meters Cage Dipole - Cage Dipole is based on the fact that a wireframe does emulate a tubing of the same diameter, supposed that the wires in the frame are close enough to resemble a solid surface.

Antenna Trimming Chart - Use this chart as an aid in trimming the length of your antenna. It gives you an idea of the change in wire length needed to move antenna resonance a specific number of KHz.

W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.

EC2APU multiband wire antenna - Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish

Fundamentals of Off-Center-Fed Dipoles - Off-center-fed dipoles (OCFs) are 1/2-wavelength wire antennas fed at neither the center nor the end, but somewhere between--off-center

Rhombic Antenna for 30m - 6m - Rhombics are high gain directive wire antennas

AMANDX Dipole - The longwire antenna is a very effective antenna for the listener who wants to cover all of the shortwave bands from 530 KHZ to 30 MHZ.a

Balloon-supported verticals - Using balloons to raise lengths of wire can be great fun - as well as making it possible to work the DX on 136 kHz from small gardens.

A screwdriver antenna in a fixed install Priority listing - Tired of tuners and wires? Put up a screwdriver antenna in a fixed install for multiband operation (80m to 10m) with low SWR. No tuner is needed!

Wifi: Building Yagi Antennas - Example and resources of 2.4 Ghz yagi antenna plans

Amateur Radio Lighthouse Society - Founded in 2000 by Jim Weidner, K2JXW, a licensed ham operator for over 50 years, the ARLHS is the only society of its kind devoted to Maritime Communications, Ham Radio, Lighthouses, and Lightships.

EMO ARES Provincial Emergency Operations Centre - Providing communications networks to local authorities in Ontario in the event of an emergency.

W7FG Ladder Line - True Ladder line and Wire antennas

Cantenna Wireless Booster Antenna - Extend the range of wireless network or connect to other wireless networks in neighborhood with your own wifi antenna.

General Cable Home Page - Leader in the development, design, manufacture, marketing and distribution of copper, aluminum and fiber optic wire and cable products for the energy, industrial, specialty and communications markets

Radio Frequency Systems - RFS is a global designer and manufacturer of cable and antenna systems plus active and passive RF conditioning modules, providing total-package solutions for wireless infrastructure.

A Flexible Digital-Mode Interface - One interface, all the software—here’s how to do it simplyand inexpensively. QST article by Jim Mitrenga N9ART

EGAntennes - Distributor of PKW antennas and Reimesch Kommunikationssysteme RF amplifiers. Manufacturer of HF wire antennas Based in France.

HeliCoil - Inductance calculation for single layer, air-wounded coils and helixes up to about 800 MHz. Inductance calculations accuracy is around 1%. Also, coils with maximum Q for given inductance, resonant RF chokes, PI and T resistive attenuators calculations are provided. Skin effects, radiation losses and other minor side effects are not accounted in maksimum Q factor coils calculations. Program assumes using copper (Cu) enameled or silver (Ag) plated wire. Program is writen bilingual in English and Serbian by YU1AW

Wireless Field Day Log Program - A reliable logging system for Field Day based on wireless networking. Freeware, runs on macintosh, linux and windows

G3YXM 500 W PA - 40-80-160 meter band linear amplifier

Using ferrite for interference suppression - Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File