rf amplifier plans

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

Joby's Rhombic Ranch - Rhombic antennas plans

TX0DX Chesterfield Isl. - Chesterfield Islands DXpedition 2000

South Eastern Amateur Radio Group - EI2WRC Based in Waterford, Ireland. Resources, Information and Links about Amateur Radio, Propagation, DX, Repeaters, News, Packet etc. Also contains useful charts and maps and a Photo Album of out club.

Delaware County -Muncie - Indiana Police Scanner - Live Muncie Police Department - Indiana & Delaware County Indiana Sheriff Radio Scanner

WinLink 2000 - WinLink 2000 employs Stations World-wide to provide an HF/VHF/UHF digital radio Interface into the Internet Email system for the mobile radio operator. Features include binary and graphic file attachments, APRS position reporting and over 340 downloadable WX products. The mode used is Pactor I and Pactor II.

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

RT Systems - Online shopping, Programming Software, Icom, Yeasu, Kenwood, Istron, HyGain, MFJ, cat cables interfaces and other radio control cables.

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

CQ DL Amateurfunkmagazin - Ham Radio Magazine of DARC

Dublin Frequencies  ^updated - Army, navy, police, ham frequency in Ireland and N. Ireland

HyperLog - Full featured logging program available since 1989. Interfaces to most radio's, TNC's, and Callbooks. Runs under DOS and all "flavors" of Windows. Can run on 8088 or fastest Pentium machine. Easy to use with virtually unlimited database capability. Trial version. Program looks like being dismissed by hypersoft.

KA Win - KaWin supports multiple Kantronics˝ TNCs and multiple radio transceivers with an intuitive, graphical interface, setting a new standard of performance for digital radio communications.

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

KM5KG network designer - Windows98 Program for RF Design

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

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

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying

KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter

Grounding Systems for Hams - Grounding Systems for Amateur Radio Stations, Safety grounds vs. radio frequency (RF) grounds, the practical station ground

Sound card interfacing  ^pop - PC sound card interfacing for RTTY SSTV PSK31, collection of interface connections to choose from when having a desire to use the Soundboard