roller inductor

Inductors used in antenna matching networks - Article about variometers, helipot inductors, roller inductors, binary switched inductors, Coil and Capstan by G3YNH

OH2GI Ham System - All-mode contesting and logging software system designed primarily for on-line operation of HF digital and CW radio stations through Terminal Node Controllers (TNC)

C3I Antennas - The finest in VHF/UHF antennas for Amateur and Commercial Applications. Antennas and Repeater Controller Accessories includes Rutland Arrays.

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

Piccon - PicCon is a PIC microcontroller based radio controller designed for hidden transmitter hunting

NHRC Repeater Controllers - NHRC Repeater Controllers is your provider of low-cost, high-value repeater controllers.

Repeater Controllers and Accessories - Arcom is your home for state-of-the-art repeater controllers and accessories.

Hi Pro - Repeaters, transmitters, receivers, small power Amps and Controllers

FF Systems - manufactures and sells repeater controller products and accessories

Computer Automation - Manufacture microprocessor based repeater controllers

Pacific Research Solutions - Repeater Controllers, Repeater Tone Panels, Telephone Interface, Remote Monitoring Systems, Process Control and TDS Monitors

Connect System - Controllers and Telephone interconnects.

Cyberiansoftware Repeaters - Markets repeater controllers and kits to Ham operators.

ARDF Projects by WB2HOL - Antennas, attenuators, Fox Timers and Controllers and Fox Transmitters

PIC Microcontroller Books from Square 1 - "Learn about PIC Microcontrollers from our Books ""Easy PIC'n"" and ""PIC'n Up The Pace"" See tables of contents for our books at our web site."

AH-4 Automatic Universal Controller - Icom AH-4 homemade controller

Surplus Sales of Nebraska - 3000 page mega website for Radio Amateurs, builders, radio broadcasters, manufacturers and individuals around the world. We cover any RF part you can think of from vacuum capacitors to rf connectors to transmitting doorknob caps to roller inductors.

XPWare - It offers support for AEA, Kantronics, SCS/Paccomm and Hal controllers. The program also offers full transceiver control for most of todays HF radios. The program also support DX Cluster monitoring

Picture Packet - A Windows95/98/NT control program for Terminal Node Controllers. In its Lite mode it's all the software many packet users may ever need, and it's free. Receive and display of full color, high-resolution images and audio files

NcWinPTC - NcWinPtc is a terminal program for the SCS controllers PK232 and PK900(with all files). Includes also many other programs for pactor devices such us Ptc II SCS, Ptcplus SCS, Z80 SCS.

Zakanaka  ^pop - A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY

Inductors and Transformers - Solenoids, variable inductors, electromagnetic induction, transformers theory at G3YNH

T-Network Tuner Simulation - Simulator for the popular, series capacitor, parallel inductor T-network tuners

Radio Beacon Controller - Diagram shows a block diagram of a Radio Beacon

Toroid Pro - Designed by microwave engineers to provide filter, radio,microwave and Ham radio engineers with all relevant information of an inductor and core at his or her finger tips