linear hf

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

K8CU Log Periodic Antenna - Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

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

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.

Eco Antenne  ^updated - Italian antenna manufacturer. Verticals, yagis, delta loops, mobile and wire antennas from HF up to VHF and UHF bands including ham radio CB and commercial product lines

J-ames Pole Antennas - Manufacturer of all types of copper J antennas,uhf,vhf, 6 meter,10 meter, portable roll ups, combinations etc.

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.

Fenghuo Communication - HF and VHF transceivers manufacturer based in China

OK1JKT Karel - Information about traffic on SHF, 10GHz band

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!

1.5 to 30 Mhz RF Amplifier  ^pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.

Quokka's Sawtron Museum - Information on Sawtron Kyodo VHF & UHF radio transceivers

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

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

AWA RT85A (RT85) notes - Conversion, programming, and software notes for the AWA RT85A UHF transceiver for 70cm