rf amp circuits

EFHW Vertical Antenna - Steve G0KYA project of and End Fed 1/2 Vertical

W4RNL Antenna notes - Antenna modelling techniques and examples by W4RNL

T2FD The Forgotten Antenna  ^pop - "Some have called the T2FD a ""squashed rhombic"" antenna. It does bear some design similarities to the non resonant rhombic, but theoretically it is admittedly inferior. However, the T2FD performs well in a modest amount of space."

Surfing my World - Something aboutme where I come from with interested links and about the Charlie Sierra DX-group.

Amateur Radio RF Safety Calculator - This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations.

Radioworks - Source for high performance wire antennas, Current-type Baluns, Line Isolators, quality wire antenna parts and accessories.

Comet Antennas  ^pop - Distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies.

Wilson Antenna - Welcome to the web site of Wilson Antenna, Inc., manufacturers of the worlds most powerful CB antennas for the automobile and 18 wheel tractor rigs.

WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.

Optoelectronics - DTMF, RF, decoders receivers and accessories icluding computer interface boards, frequency counters, tone decoders, spectrum sweeper and nearfield receivers

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

INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

RMS international - RMS International, italian distributor of Alcava batteries and power supply, since 1975 manufacture power amplifiers, watt meters, antenna tuners, TVI filters and other accessories for hams and cb radio

AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products

Midland - Midland Consumer Radio, Inc. is one of the most experienced and respected names in radio equipment. Midland offers the broadest line of CB transceivers in the industry, Amateur radio transceivers, VHF marine transceivers, VHF power amplifiers, and RF equipment for the broadcast industry.

RF Parts - Antennas, books, rf parts, tubes,connectors and cables and many accessories at RF parts.

Funkenhauser's WHAMLOG & Mediumwave DX Links - Free WHAMLOG files download page, medium wave (AM/BCB) resources, homebrew loop antennas, radio receivers, DX lists, DXpeditions, ODXA MW Notebook.

DOS programs by g4fgq - Small collection of DOS antenna design and RF calculations programs

DXtreme software - DXtreme Software produces powerful and easy-to-use logging applications for radio enthusiasts such as Amateur Radio operators, Shortwave DXers, Shortwave listeners, Broadcast band DXers, VLF DXers, VHF, UHF, and TV DXers

DX 4 Win  ^pop - DX4WIN is an easy to use, yet powerful logging program for every ham. It has been designed for the the serious and the casual DXer.

KaGold and PkGold - Performance Software for AEA and Kantronics TNCs Recognized Leader in Packet Amtor RTTY Baudot Pactor Gtor ASCII CW Morse support

AR Cluster - AR-Cluster is a ham radio packet cluster software supports both node and user connections using RF and Internet. Currently available in Standard and Enterprise version.

BTL Blaster TeLetype - High performance RTTY reception and transmission software, need a Sound Blaster compatible sound card.

YC156 Conversion - RF Amplifier project modified the original chassis to use a 4CX1000A instead of a YC156 triode

SWR Mega - SWR Power Meter - SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX