coax ground

Radial ground system for verticals - Maximum-gain radial ground systems for vertical antennas by K3LC

EWE rx antenna for 80 meters - The antenna is an aperiodic inverted U which is operated against ground.. ewe antenna for 80 meters by PA0RCT

Magnetic longwire baluns 1:9 - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.

Wire Baluns - Baluns done with coaxial feed-cable

The Coax Balun - Building balus with coax cables

4:1 coax balun design - Online calculator for a 4 to 1 coax cable balun

Winding an Effective 1:1 Coax Balun - Guidelines to wound a balun by WA2SRQ

OCF 2-Meter Sleeve Dipole Antenna - A 144 MHz dipole antenna made from coax, PVC pipe, and aluminum foil tape

LA1IC Coax-Fed slooping longwire - Simple, inexpensive and easy to erect, this antenna provides directivity, low angle radiation and a small gain on a number of HF bands.

QEX Ground System Experiments - N6LF series of experiments on ground systems for vertical antennas. That series of reports was converted, with some modifications, into a series fo seven articles in QEX magazine.

Cushcraft Trap - Coaxial Capacitor Repair - Repairing coaxial capacitor on cushcraft trap. Parts are no longer available from the manufacturer, home repair is the only option.

I7SWX Coax-Fed multiband antenna - This simple multiband antenna works on all HF bands from 3.5 to 30 MHz, including WARC bands other than 10.1 MHz.

SE Engineering - Manufactures FM antennas, mast ground kits, 75 ohm isolation transformer, for the broadcast industry.

Amphenol - One of the largest manufacturers of interconnect products in the world. The Company designs, manufactures and markets electrical, electronic and fiber optic connectors, coaxial and flat-ribbon cable, and interconnect systems.

RFTec - Coax Cables and Connectors, DC to 40 GHz RF cables & test cable assemblies, surge protectors, SMA connectors, adapters and termintators

MegaPhase - MegaPhase designs, manufactures and sells coaxial cable assemblies to OEMs building advanced microwave and optical electronic systems, products include test cables, test adapters, flexible and semi-rigid cables used to connect system components inside a system, and coaxial connectors.

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

How Satellite Doppler Tracking Works - The Doppler Effect allows the distance between a satellite transmitting from space and a radio receiver on the ground to be measured by observing how the frequency received from the satellite transmitter changes as the satellite approaches, passes overhead, and moves away.

JefaTech - Coax Cables and RF connectors, mobile antennas, cantenna supplies and kits, wifi antennas and adapters, antenna mounts, surge protectors

Stecker-Profi - Coax Cables and RF connectors dealer in Germany

Assemble a N-connector - How to assemble a N-Type connector to a coax cable by diswire.com

Fitting a PL259 to a coaxial cable. - Fitting a plug to thin, 6mm, coaxial cable will require a PL-259 either made for the small diameter cable

CATV F11 and PL259 - Here is a story of installing field expedient PL259 coax connectors on ordinary Cable TV F11 an Rg11 equivalent

Installing Coax Connectors - Joe Carr's Radio Tech-Notes Installing Coaxial Connectors

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