regency range gain

A 6 element OWA Yagi for 28MHz Priority listing - This is a high-gain, wideband OWA Optimised Wideband Array Yagi which covers the 10m band with an SWR of less than1.1:1 from 28-28.900MHz.

7 elements OWA Yagi for 20 meters band - Optimised Wideband Array with low SWR across the whole of 20m with excellent gain and F/B. European and USA sizes

14 el 70 MHz Low Noise LFA Yagi - This is a true monster Yagi for the 4m band which has a 50Ohm feedpoint with wide band performance yet the gain and F/B of a low impedance Yagi.

11el 50MHz OWA Yagi Priority listing - A real Monster true OWA for 50Mhz with real serious performance. Constant impedance, supper low SWR, high gain and F/B and easy to build.

G0KSC SC0609L 9el OWA Yagi for 50Mhz - A Very popular choice amoungst DX'ers. This is an easy build antenna with serious gain and is extremley stable in rain and ice.

High Gain Yagis for 432 MHz - DJ9BV dubus article on two different type of high gain antennas for 432 MHz.

Stacking broadside collinear - One popular rumor or thought is that antenna gain doubles every time we double the number of elements

Two wire broadband HF dipole - This article describes the design and simulation of a two wire broadband dipole antenna for the HF band, using the software 4Nec2. The antenna is designed to operate in the full range 3-30 MHz

End-fed Vertical and J-pole - Understanding Gain differences, j-pole and end-feed vertical antennas.

Helical Antennas by F5ZV - Article on Helical Antennas in french

Helical Antennas - The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics

Rhombic Antennas and Inverted V - The rhombic antenna is often claimed to be an exceptionally good antenna with very high gain. Modelling rhombic antennas

Understanding Antenna Gain - Antenna Gain is 'the relative increase in radiation at the maximum point expressed as a value in decibels (dB) above a reference antenna'

Measuring antenna gain - The gain of an antenna is measured in relation to the gain of another further specified antenna through a comparison measurement.

Antena Wind Load - Information about the wind load area of many antenna manufacturers like steppir, moseley, maco, klm, cushcraft, hy-gain, avanti, Jo gunn, Wilson and winegard

VHF UHF Slim Jim Antenna - A vertical monoband antenna design that can work from 6 meters to 70 cm by F5ZV in French

ZA/F4DTO - F4DTO/ZA and F4GFE/ZA Albania 2 to 16 April 2011 40m to 10m

Antenna Engineering - Antenna Engineering specialise in producing a range of high quality aluminium HF verticals ranging from mono band single element verticals to multi element phased arrays.

NP Technologies Inc - Design, develop, test and manufacture a wide range of Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF

PRO-COMM INC - High power, UHF, L-band, S-band, C-band, microwave frequency amplifier and oscillator devices, pulsed, CW, fixed-tuned, or tunable devices in the range of 600 MHz to 2000 MHz

Spikes CB Radios - A full service sales & repair shop, sell a wide range of cb radios, scanners, antennas, mounts, echo, noise toys and a wide range of accessories. Atkinson, IL USA

Rotor Parts - Dedicated to serving for all rotator parts needs. Stock and provide rotor parts for antenna rotators from companies such as Alliance, C.A.T.S., CDE, Channel Master, and Hy-Gain, both young and old.

Repeater Range Android App - M3OYQ’s Repeater Range is a free application designed to run on the Android mobile phone platform. The the app listens to the onboard GPS and displays the bundled repeater database as a simple list sorted by the range.

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB

Kenwood TM-201 401 mod - Kenwood TM-201/401 Increased TX Audio, mod for microphone gain