current feed

21Mhz 4el Yagi Antenna Priority listing - A simple to build OWA Yagi with direct 50 Ohm feed. Easy to build with limited tools. 4 elements yagi for 15 meters band by G0KSC

14el 144MHz Plus2 LFA Antenna Priority listing - 1 plus2 LFA Yagi 14 normal elements plus 2 additional reflectors. Loop feed means 50Ohm perfect match for minimal losses

G0KSC 70 Mhz and 50 Mhz Dualband Yagi - Direct feed, no matching required dual band Yagi

Dual Band Yagi 28Mhz and 50Mhz Priority listing - NO Traps or coils, NO matching required. Direct 50 Ohm feed. Easy to build and nothing else like it! Enjoy 50/28 with one feedline to a dual band high gain Yagi by G0KSC

Design & Performance of a Choke Balun - Design & Performance of a Choke Balun and Balanced Transmission Line by G4FGQ

Wire Baluns - Baluns done with coaxial feed-cable

Guanella 4:1 balun - This article reviews the proposition that a 4:1 current balun in the style of Guanella can be constructed with both pairs of windings sharing a common magnetic circuit.

Inductor operation - Understanding current in loading coils

Center feed insulator - A center antenna insulator with feedline strain relief

RF choke or 1:1 balun - RF Choke to prevent hf currents on the feedline or...1:1 Choke Balun, sometimes called the "UGLY BALUN"

Designing Driven Elements in Yagi antennas - The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI

An intro to OWA Quad's Priority listing - An introduction to OWA (Optimised wideband array) 50Ohm direct feed Quad beam antennas

Triband VHF Yagi antenna - A triband VHF Yagi antenna for 6 m, 4 m and 2 m with one feed-point by DK7ZB

WA6MVG Amateur Radio Station - Amateur radio,ham radio,shortwave listening,scanner links and current weather conditions,weather advisories,and weather forecast from a personal weather station located in Auburn, Washington

Ottawa live audio feed - Ottawa EMS live police radio, and emergency services canada

Murfreesboro Police and Fire Dispatch Live Scanner Audio Feed - Murfreesboro Police and Fire Dispatch Live Scanner Audio Feed on RadioReference.com

New York Suffolk County Live police radio - NY Live Suffolk County Police Scanner Feed

1296 by KB2AH - Specialized 1296 Mhz Equipment, Circular Feeds, LNA, power amplifiers, Antenna systems, Test equipments, antenna mounting blocks

QRP 1:1 Current-type Balun for Portable Use - A ferrite-loaded coaxial RF choke which just happens to yield the same result as a 1:1 current balun

Heavens Above - Live realtime satellite tracking system show current status of amateur radio satellites and more. Track ISS and all ham radio satellites.

About GAP HF Vertical Antennas - A review on current HF Vertical antenna models offered by GAP at euro-qso

AussieScanners.com - For all your Radio and Scanning information in and around Australia. Online feeds, various links, heaps of information. Come and join Australia's Premier Radio Scanninf Forum

pythonProp - pythonProp is a collection of Python scripts designed to plot files produced by VOACAP. The package currently contains two scripts, both of which make use of the matplotlib library

Ground Systems - Basic ground system functions, lightning and safety ground, RF return-path ground and induced ground currents

AC power meter - Measure the AC current flowing through your appliances