power amplifier

QNEWS Ham Radio News - Daily updates to the weekly QNEWS Ham Radio News service in text realaudio and RF

CT Ham radio devices - CT hand keys and paddles. Power tubes, sockets, relays. DX Scack rentals.

Bergey Windpower Co. - Bergey Windpower is one of the world’s leading suppliers of small wind turbines

Emtron  ^pop - Amateur radio HF amplifiers and power supplies manufactured in Australia

RM Italy  ^{updated  pop} - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

SGC, Inc. - Manufacturer of HF transceivers, antenna couplers, antennas, RF Power amplifiers, portable antennas, speakers and other accessories for 28 years.

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

MARS Antennas - MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna

Bird Electronic - Design and manufacture of components, instruments and systems for RF power measurement.

Ten Tec  ^pop - HF, VHF, transeivers kit's, amplifiers and more.

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

CWJF CW Club - Juiz de Fora CW club Brasil

N1YHR - packet radio station - Cape Cod area packet radio system, Echolink Node #276022

NOGA QRP club - Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.

Small Power - Carry a full line of nimh batteries and charers. Maha, Nexecell and more

CBC International CB Radio - "CB books, plans, and kits. Repairs, modifications, 10-Meter conversions, amplifiers, FM, unique high-performance accessories. Publishers of the classic ""Screwdriver Expert's"" Guide book."

ERP Calculator - DOS program that will assist you in determining your 2 meter station's Effective Radiated Power (ERP)

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

BBA-C1 Amplifier Card - This versatile broadband amplifier is used in several DX Lab projects.

Homebrew a HF Power Amplifier - HF power amplifier project by YB0AH

100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list

70cm GS-23b Amplifier - 1500 watts amplifier for 70 cm band using GS23B /4CX1600U SVETLANA by LZ2US

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas