reno 220 mhz

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

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

A Six element yagi antenna for the 50 MHz - Christoph petermann's df9cy six element yagi antenna for six meter band

50MHz Power Splitters - Splitting an antenna between two receivers or in use as the phasing harness in stacked antennas where there is a need to equally split the power from the transmitter between two antennas

A two band halo for VHF Mobile - 50 and 144 Mhz with a single mobile antenna system

Simple Dipole Antenna for 2m - A simple portable dipole antenna for 144MHz

Quagi antenna for 144 Mhz - A modified W5UN Quagi design optimized for 144.050 Mhz

AMANDX Dipole - The longwire antenna is a very effective antenna for the listener who wants to cover all of the shortwave bands from 530 KHZ to 30 MHZ.a

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.

KB2SEO/B - Located in Eton, GA tx on 28.238 Mhz

KC9GNK 10 meter Beacon - Transmitting on 28.2836 MHz near Wisconsin Dells, Wisconsin

Quantum Antennas - 146/446 Mhz Dual Band, High Gain vertical Antenna

How to Work 6 Meter DX by W3EP - December 1998 QST World Above 50MHz copyright ARRL

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

OK1DFC Zdenek Priority listing - EME traffic and 144 MHz up operations

SB-220 SB-221 Heathkit Amplifiers - SB-220 or SB-221 Heathkit Amp Using Eimac's 3-500Z - K0GKD

Improving Heathkit SB-220 - Circuit Improvements for the Heath SB-220 Amplifier

QSK for the TL-922 and SB-220 mods - Beautifully constructed amplifiers. Unfortunately, are not suited for high speed T-R switching, a necessary attribute for operating AMTOR, QSK-CW, or SSB-VOX modes.

SB220 SB221 arcing problems improvements mods - This article explores the claim an amplifier might arc from a parasitic oscillation, damaging capacitors, bandswitches, or other components.

432 MHz PA - OZ2OE Technical Home Page - 432 MHz PA with 8874

GS35B-Amplifier - 144 MHz GS35b Amplifier

LZ2US-3 144 Mhz ampl - Using 2 x GU74B / 4CX800A

DL4MEA 144MHz and 432MHz Amplifier - 144 and 432 Mhz GS35b High Power Amplifier

144 MHz 1.2 Kilowatt Amplifier - 144 MHz Kilowatt Amplifier with a Gu74b.