6m big wheel

The 2-Element-HB9CV-Beam  ^updated - The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. The Beam is a coax-feeded version of the ZL-Special Construction by DK7ZB for 2m, 6m and 10m

W7AV 40 Meter Half Square - These antennas offer big gun DX performance on the low bands, yet they are surprisingly simple to build. Try one- you will like it!

Easy Delta Loop for 50MHz - Build your own delta loop antenna for 6 meters band

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

WB7PMP 4 and 7 eleemts yagi for 50 Mhz - Original drawing and design of a 4 and 7 elements yagi antenna for 50 Mhz

6M Square Copper Dipole - Here is the parts list and dim. sheet for a 6m Square Copper Dipole, made from copper water pipe

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

Use of tripods to assemble and balance big antennas - Here is a way to ease assembly and balancing of a large antenna. The elements and boom are assembled separately in most cases. Once they are all together set up 2 tripods in the assembly area and put the boom on them.

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

W0AIH Contest Station - Welcome to the farm, where the primary crop is big towers and antennas.

6m Half wave vertical - This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.

Wire-Beam - Wire beam antenna for the bands 6m, 10m, 12m, 15m, 17m and 20m

IOTA maps - QSL and Map gallery of IOTA islands all over the world

JH5LUZ Blog - 1296Mhz EME Station from Japan, includes eme amplifiers pictures

Bear Electronics Amplifiers - Manufacturer of big power amplifiers

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

BEIJING ELJVT - Sell the China made electron tubes over a long period of time, the vacuum tubes/electron valves/Power tubes/Audio Tubes/Thyratrons/Magnetrons and accessories, the tube sockets, the vacuum capacitors, high voltage ceramic capacitors, aluminum electrolytic capacitor.

APRSa4 - APRS+SA does most of the functions of the original APRS(tm) with a big difference: The maps it uses to plot the locations are Street Atlas 4.0 or 5.0 Maps. This allows great precision in locating objects and stations.

RX-PSK31 - Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals. By ON6MU

JH5LUZ Room - 1296MHz M57762 * 16 Power AMP 16V 100A 1.6KW Input

GS35b Amplifier for 50 Mhz - Picturs of my 6 meter Pa with a GS35b

6 meters power amplifier - A PDF file containing schematics and instructions to hombrew a power amplifier for 50 Mhz

Coaxial Stub Filters - Coaxial stub filters used at W7GJ

50MHz-Transverter 10m/6m from DK7ZB - This transverter was built in 1994, a discription in three parts (german language) for DOWNLOAD as PDF-files. Circuit, printed-boards and layouts in the files