hf range

HF Antennas for small places - Isotron antennas and EH antennas, solutions for small places by F5IXU in french

HF Wire antennas - About HF Wire Antennas for field day or any day a basic wire antenna article by VE3NXB

Luxembourg Awards - Luxembourg Award Program: LX HF and VHF Award; European Community Award and special Awards

1721 Hf Roundtable Group On 40 Meters! Priority listing - The 1721 HF Roundtable Group meets nightly on 7.261 + - QRM. Just a big ham radio family. Informal QSO'S in a rountable fashion.

The Side Winders On Two Radio Club Homepage Priority listing - SWOT is the one of the largest and oldest 2 meter ssb club's in the USA. It has nets on 2 meter ssb across the USA.

W3FF Antennas Buddipole - The Buddipole is a hi-tech, take-apart dipole designed for HF portable operations. The antenna uses a multi-band adjustable coil for all bands 40m - 2m.

PicoScope - Pico Technology have developed a wide range of professional PC-based instruments that offer all the functionality of conventional test equipment (DSO - digital storage oscilloscope, spectrum analyzer, meter), and also many features not normally available in this price range. Available functios are Oscilloscope, Spectrum Analyser, XY Scope, Meter and Measurements

Fenghuo Communication - HF and VHF transceivers manufacturer based in China

K0BG - Mobile Radio Operations - This site is dedicated to mobile amateur radio operators, old and new alike. Whether you are into HF, or VHF operation, the information presented will increase your enjoyment of our great hobby.

WSJT/JT44 Forum - Meet users of the new and revolutionary WSJT/JT44 mode, ask for help, arrange skeds, learn how to run JT44 and WSJT.

Make More Miles On VHF - "Lists of hotlinks for VHF radio amateurs hunting dx via meteorscatter, aurora, Es, Tropo; eMail listings of operators qrv in meteorscatter; listing of current VHF DXpeditions"

VHF/UHF 2 meter PSK and digital Group - Looking for Hams that want to experiment on VHF/UHF PSK/digital modes

IonoProbe - Monitors the space weather parameters essential for HF radio, including SSN/SFI, Ap/Kp, X-ray/Proton flux, and Auroral activity. IonoProbe downloads near-real time satellite and ground station data, stores information for future use and displays it in a user-friendly way.

4NEC2 antenna modeler  ^pop - 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler. Can be interfaced to HFwin32 propagation prediction software.

Beacon-Prediction Wizard Priority listing - Specialized interface for the communications-analysis-prediction engine provided by VOACAP, predicts the expected performance of high frequency, HF, radio systems

ACE-HF Propagation Prediction Software - Professional PC software for hams that uses VOACAP and includes area coverage maps animated by time or frequency

78thFloor - Download Sw 4 sstv,cw,rtty, via sb, and other appz 4 radioamateurs

KMIJ Kenwood Remote Control for TS-850/TS-450 - Windows radio control software for the Kenwood TS-850S and TS-450S HF Rigs. Originally released as shareware, there is a version that is now Freeware, with free registration upon request. Old program by VE3MIJ

Shortwave Log - A logging and radio control program. Supports HFCC, ILGRadio, FCC HF, FCC AM, PrimeTime Shortwave, and more!

The Kenwood TS-830 Survival Guide - A downloadable manual-like guide containing a lot of technical information about the Trio/Kenwood HF transceiver TS-830.

HA8ET Technical & Homebrew pages  ^pop Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

QRO GU-84B TETRODE Priority listing - GU-84B Homebrew HF Amplifiers

Radio receiver dynamic range - The basics of radio receiver dynamic range performance used for specifying the performance of radio receivers used in radio communications systems.

BC210 Conversion for Noaa Satellites - Allow 137 Mhz range by Steve Warley

CAT Interface for Yaesu - schematic diagram for CAT interface for yaesu HF Transceivers