hf tubes linear amp

Portable vertical antenna  ^pop - Vertical transportable HF antenna by CT1BYR

Japan DX Cluster - HF DX Web Cluster from JAPAN

HFDX - French web site for hf dxing

Pactor News - Ham Radio Newsletter dedicated to HF communications and the PACTOR user

Tampa Amateur Radio Club - Since 1922 Tampa's largest Ham organization. Dedicated to hams by hams. Classes in theory, code, and experimentation are a regular event.

Central New Hampshire Amateur Radio Club - ARRL special service club

Mt. Airy VHF Radio Club - "Better known as the ""Pack Rats"" W3CCX, Southampton PA"

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

Hal Communications - HF radio data communications products, analog and DSP modems

Intek - CB radios, VHF transceivers, scanners antennas and accessories

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

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

MT63 HF mode - MT63 is a DSP based advanced HF mode for Amateur Radio, intended to provide high performance keyboard - to - keyboard conversational operation on HF bands under poor conditions

HF RTTY Stations - ik8enh list of HF stations transmitting in RTTY with Baudot/Schift, frequency and call

ST2NH Nader - Many satellites homebrew projects from the sudanese amateur radio station ST2NH active on satellites, ISS, HF phone and digital modes.

The AM stereo page - A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

Freeware for Amateur Radio Priority listing - Programs for hams written by Alex Shovkoplyas

Embaycom 2.1 - Baycom modem emulator, EMBAYCOM.ZIP for HF 300 baud Packet EM1200M2.COM - for 1200 VHF Packet Tested with BAYCOM-soft v1.5 and 1.6

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

Pathfinder - A free application that searches more than 100 web-accessible sources to locate QSL information for a callsign that you enter once

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.

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

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

HF transceiver - Continuos coverage HF Transceiver by I6WJB & I6YPK