usb 63 cable

RF Balun Transformers - This application note is designed to help the reader understand how balun transformers can be used in today’s RF/Microwave communication applications.

QRP Magnetic longwire balun with VHF-splitter - 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.

Feeder Radiation - Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes

A model of the W2DU 1:1 choke balun - Notes on making the W2DU choke balun by placing several ferrite sleeves around a coaxial cable.

Antennas: dirty little secrets I - Butternut article on calculating real efficiecy of commercial antennas

Replacing cables and rotator on a tower - N5AR article on maintnenance works on a crank up tower

Traps for 40/80 m dipole - I6DVX article on hoembrewing traps, using vetrnonite instead of common coax cable.

Building traps with coax cable - Tips on how to build a trap using common coaxial cable and coax trap software, by F5JTZ in french

VA3ODX Ten Meter Beacon - 28.263 MHz from Meaford, Ontario

Lincoln Police Radio - Live police radio feed from Lincoln Nebraska

K1EL Ham Radio Kits - Morse Code Keyers / Processors and other PIC products. CW RTTY serial and usb interfaces and keyers kits.

Vienna Wireless Society - VWS Balloon Program - Providing amateur radio service to the northern virginia community since 1963, and home of the original winterfest

FT-897 857 817 Cable - Multifunctional interface for Yaesu FT-8x7 Series Transceivers

RadioWare - Products and books for the radio hobbist. Antennas, Coax cables, filters,Lightning Protection, Wire & Cable, Books

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.

RF Stuff - Online shop for two way radio communications and amateur radio products, antennas, coax and cables, adapters and mounts, accessories and audio parts

Remote Control of Mast Mounted Equipment - This article presents a method of controlling preamps, antenna switching and polarization switching remotely without the use of control cables.

Coax Cable Antenna Switch, homebrew - KO4NR coax cable antenna switch construction by ve3cgc

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim

Coaxial Cable's specifications - A table with Loss in DB/100m , Max power in Watts, Diameter in mm , Velocity factor (VF)

Loss Calculator - Calculate power loss depending on coax cable you use

Coaxial Cable The neglected link - The purpose of this document is to show the transfer impedance and shielding effectiveness of different types of coaxial cables

Diplexer 2m 70cm - This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band and simultaneous receiption on the other band by hb9abx

Lightning Protection for the Amateur Radio Station - Article on lightning protection for the ham radio station, Lightning Characteristics, Identify What is to be Protected, Establishing a Good Ground, Coax Cable Grounding, Operating Safety by wrblock.

Lightning Protection : Protecting each I/O line - KB22UT Article on how protecting ham radio station and in particular I/O Lines such as AC power, coax cable, control circuits, telephone line.