puma 500 watt boster amp

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

Antique Radio Club of Illinois - ARCI is a family of over 500 people dedicated to the preservation of antique radios and related items. ARCI hosts the annual RADIOFEST meet in August.

Radioclub of Campina - Radioclub from Campina city in Romania

DARC OV M05 - hamportal with many news and german links for hams.

Murray State University Ham Radio Club - A recognized organization of Murray State University providing programs and activities that promote interest in Amateur Radio within the campus and community.

University of Idaho Amateur Radio Club - W7UQ is one of the oldest organizations on campus, dating back to 1929. Its goal is to provide a way for UI students, staff and faculty to become involved in ham radio.

g3vdz/mm - maritime mobile station, with sound sample in audio wave files

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

Leitner Elettronica - RF Amplifiers for HF VHF UHF

WD7S Productions - A collection of kits for control and protection of homebrew linear amplifiers

KN4LF Daily Solar Space Weather & Geomagnetic Data Archive - An archive of daily solar, space weather & geomagnetic data.

ATSI Tubes for Broadcast and Transmitting - Matched Power Broadcast tubes 813,81A,572B,4-400A,3-500,12BY7. etc. Great prices fast delivery.

F.G. Best Communications - CB and Ham Radio Repair, Service, Modifications, Linears, Tweak And Peak, Wattmeter, microphone,kenwood,icom,galaxy,cobra,uniden,upgrades

Teluwatt - Discount two way radios - Discount retail seller of two way radios to the UK and beyond.

The Quack Shack CB Shop - CB Radio and Ham Radio outlet. Accessories, amplifiers, mounting brackets, power supplies, GMRS, FRS, scanners, microphones,and more

HF Analyzer - Professional analyser HF signals, work with bandwidth 500Hz....60Mhz, ddc-mode, scope, spectrum

RPU-8 - Software for control radioscanners AR300, AR5000, Icom PCR-1000, Winradio``simultaneously can work before 8 scanners Scanning mode/window

FTBVR5K - VR-5000 Memory Management - FTBVR5K is a memory management program for the Yaesu VR-5000 scanning receiver.

QRO via Russia - Power amplifiers from amateur radio operators around the world which are designed/built using Russian tubes.

11Meter Amps  ^pop - This group is here to discuss linear amplifiers used on the 11 meter citizens band.

A.M. tutorial - This tutorial is designed to help explain some of the concepts involved in RF power measurement for amplitute modulated signals.

2 m. Band VHF PA 5 Watts - A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum

Scout Camp Repeater Project - Athens ARC repeater project

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.

Tube Amps forum - Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement