rf amplifier plans

Testing EH Antennas - EH antenna tests report by Claudio Re, I1RFQ in pdf format

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.

HF mobile antenna  ^pop - Build your mobile antenna which outperforms Hustler by 10db and ATAS-100 by 18db. From 80 to 10m.

Radio Catalogue and Radiomuseum - More than 80.000 datas of antique radios, pictures and plans. European and US-Radios.

Radio Friends DX Group - The official webpage of Radio Friends DX Group

Christian Amateur Radio Fellowship - CARF combines the wonderful world of amateur radio with Christian fellowship and service

Nellis Radio Amateur Club - "Located at Nellis Airforce Base-Las Vegas, Nevada USA. Nellis RAC is a progressive radio club. Providing licensing classes, on-air code study group, vhf/uhf repeaters, emergency and public service communications, ""Aviation Nation"" Airshow Special Event Station N7V"

Christian Amateur Radio Fellowship (CARF) - CARF combines the wonderful world of amateur radio with Christian fellowship and service.

9H9SWT SES - "U.S. Swift Boat SailorsßReunion activities, Special Event Radio Amateur Station callsign ""N4S"" will be operating from March 20 to 23, 2003 from the Sheraton Waterside Hotel, Norfolk, Virginia USA."

Leitner Elettronica - RF Amplifiers for HF VHF UHF

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

Nemal Electronics - Manufacturer of standard and custom electronic cable, connectors, cable assemblies, and patch panels for broadcast, audio, video, RF, microwave, and electronic control applications.

Laipac Technology Inc. - We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking

Marine broadcast - World Wide Marine Radio Facsimile Broadcast Schedules From NOAA, wefax scheduling

50 Mhz Dx & Audio Files - Lage collection of 6 Meters and 2 meters QSOs, recorded in real audio format by OE3MWS

EQSO.ORG - eQSO is a complete dedicated ham radio internet gateway and server system. It is intended for use by RF gateways and PC users connected to the internet

General Aviation Frequencies - General use frequencies

Digital Modes collection - RTTY SSTV PSK31 MFSK MT63 PACKET APRS and more...

iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display

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

Transistor Specifications - Transistor Specifications, ``RF Power Mosfets ¹ HF VHF transistors

Amateur Radio Repeater Controller - The project requirement is to design the interface to the signal channel elements after the receiver and before the transmitter