vhf yagi

Portable Magnetic Loop Antenna Version 2 - A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres. For its size, the performance of the antenna always astounds me, although it is never going to replace a Yagi

2m VHF antennas with high gain - 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth. These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.

70MHz-Yagis - Various Yagi antennas for 70 Mhz band

Hairpin match for the 5 elements Tonna for 6 meter - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db!

Notes on building Yagis for 50 Mhz - Construction Details for 50MHz-Yagis in DK7ZB-Design

70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas

70cm Longyagis - 70cm-Longyagis in 28Ohm-DK7ZB-Design

Antenna Transmission Line Power Splitters - Several ways of splitting power to feed two like (50 ohm terminal impedance) antennas.

The DK7ZB-Match for Yagis - Simple, easy to built match developed in 1995 for Yagis with resistitive loads of 12.5, 18 and 28 Ohm.

Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm

HB 9 CRU:Magnetische Loop-Antennen - Magnetic loop antennas by HB 9 CRU in german

VHF UHF antenna for mobile transceivers - A whip antenna for VHF and UHF handhelds or mobile radios

Cross-Yagi - Cross-Yagis for Terrestrial and Satellite Work The 2x6-El.-Cross-Yagi (28 Ohm, 2.60m Boom) by Henk, PA3GUO

DK7ZB 144 mhz Yagis - High gain, good pattern and acceptable bandwidth. These aims can be realized with a radiation-resistance of 25-35Ohms, because the 28-Ohm-feedpoint is very simple to match.

Antenna insulators for DK7ZB Yagis - Homebrew antenna insulators for DK7ZB yagi antennas

RSGB GB2RS News casts - Every week the RSGB produces a News Bulletin for Radio Amateurs and Short Wave listeners. They are read live on Sundays (usually) by a team of readers throughout the UK on HF, VHF and above. Listen To The Main News MP3 (G4NJH) or to GB2RS on your iPod

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

PC4U HF/VHF Mobile amateur station - Describes the author's mobile HF and VHF station setup. PC4U (Mobile) Ham Station HF/V/UHF or via EchoLink PC4U-L

Yagi-Uda Array Calculator - Spreadsheet for the calculation of Yagi-Uda Array of Circular Loops. The website is in french, but the spreadsheet is both in English and French.

GM3WOJ Amplifiers page - HF and VHF amplifiers homebrewed by GM3WOJ

LZ2US Amplifiers - LZ2US offers 3 types amplifiers for the serious VHF/UHF amateur. These amplifiers are very robust and in use by contest groups and EME stations all over the world. Every amplifier is custom made.

VHF linear amplifier pictures - 4CX250B X2 K2RIW style 2m amplifier

PA7TA RF Amplifiers - VHF UHF Amplifiers

144/430 Duplexer - Schematics for a VHF UHF duplexer

Duplexer for VHF and UHF - Duplexer to use two transceivers and one antenna VHF UHF in spanish