dj g7 mars

Maria Maluca Antenna - This small beam fed with VHF ribbon line consists of a dipole and a director adjusted for the desired band by dl8ncr

The VHF Quad Beam Antenna - Homebrew a 4-element VHF adjustable antenna built entirely of wood by ka1fsb

Portable dipole for 40 Meters band - Pictures and swr reports for a portable dipole antenna for 40 meters band in german

G7CNF dual band yagi for 4 and 6 m - A 5 Element dual band, single feed solution for 4m and 6m built by Nigel Coleman.

The YU7EF 6m and 4m antenna - Realization of the YU7EF 6m(6elm) and 4m(7elm) duo band antenna on a 6m boom by OZ1DJJ

YU7EF Pop 6 & 7 Elements antenna - YU7EF Pop 6 elm for 50Mhz and 7elm for 70Mhz, a 4+6m douband with 12mm Alu tubing

Practical Guanella 1:1 balun - This article proposes a lossy transmission line model of a practical Guanella 1:1 balun that is effective for all frequencies within and immediately adjacent to the pass band

CobWeb antenna construction - A 5 band omni directional antenna original design by g3tpw. Works on 10,12,15,17,20,2,6 m & 70cms.

10 m Aerial Matching Unit - This simple matching unit will allow a 10 meters aerial to be used right across the 10m band without the need to physically adjust the elements, and offers a virtual 1:1 VSWR at 50 ohms impedance to the transmitter.

The FD4 Windom antenna - This antenna originated from darc QRV magazine in 1971 should be attributed to DJ2KT, works on 80 40 20 10 meters without ATU, based on the Windom principle.

K5DDJ's 10 Meter Beacon - Operating 24/7 on 28.2485 Mhz transmitting 500mw into a 1/4 wave GP vertical antenna. Location is in San Antonio, Texas

DX Lite - mobile phone cluster interface - DX Cluster for mobile devices. Uses a lite interface to easily fit mobile phones display by G7VJR

Meewasin Amateur Radio Society - Saskatoon, Saskatchewan, Canada

AA9RO Repeater - Serving Henry,Knox,Stark,Rock Island, Mercer, Lee, Warren,Peoria,Bureau,Tazewell,Woodford,Marshall, Fulton, counties in Illinois and Scott county in Iowa.

Structural Components - Designer and supplier of tower reinforcement systems to the wireless industry.

Kenwood TM-G707A Motorcycle setup - "Rob" Roberts - KH7MW 2001 1800 GoldWing

FT-897 mods - FC-30 Fan modification, Mars/Cap mod for Yaesu FT-897, DRM modification for Yaesu FT-897, FT-897 mod for SGC-230 DC power

SWL I3-2782/VE - SWL I3-2782/VE Stefano Personal website with qsl card collection and other stuff..

Beaclock - A freeware windows program with which radio amateurs can see which of the NCDXF beacons are transmitting at which frquency by DJ1ZN

TNC - The Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC attached to your IBM-PC/clone. The program was written to work with the Kantronics range of TNC's but should work with any TNC that is connected to a serial port on your computer.

Improper Loading of Amplifier - Improper tank adjustment and excessive drive are equally harmful to component life, and either can create splatter

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim

HV power supplies - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.

Signal generator to adjust a ssb-transmitter

A QRP SWR meter - A real QRPp VSWR Meter project by DJ1ZB