working satalites

20 meters moxon antenna by SM5JAB - SM5JAB first experiment of a HF moxon antenna working on 14 mhz

VHF J Pole for 146 Mhz - KF4SCI project for a VHF UHF jpole, working on 220 and 440 Mhz

The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It’s compact, light, economical and doesn’t need any radial.

40 meter 4-square antenna - A permanent working 40 meter system based on a 4-square antenna

Flex Antenna - A flex antenna working on 6m and 70cm by K0EMT

Home-brew Compact 6dBi Collinear Antenna  ^pop - This page details the construction of an easy-to-make collinear 360 degrees omni-directional, vertically polarised, antenna for 802.11b/g wireless networking.

HB9AGD Magnetic Loop - Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french

Handheld Yagi - This is the handheld yagi can be used for working satellites when mobile. Offer 420 - 450 MHz 70cm bandwidth and the worst SWR is 1.3:1

BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP

Types of Antennas for Satellites - What type of antenna should I get? Well, the best type of antenna for working the OSCAR satellites are circular polarized antennas

Optimizing half-wave sloper arrays for 160 meters - This article presents a 160-meter variation of this family of antennas and, more importantly, a discussion of the details of how to get such a beast working really well.

An Examination of the Gamma Match - W3PG working analysis of the gamma match problem taht gives useful practical results

Atwater Kent Home Page - This is a "techie" site, dedicated to presenting service manuals, parts lists, schematic diagrams and other information of value to restorers and technicians who try to keep these radios working

IK0VVE/B 28.322 MHz - This page shows you the 10 meter beacon IK0VVE/B working on 28.32264 MHz of Italian 28322 beacon net.

The VE3TO Radio Beacon Transmitter - The VE3TO beacon transmitter is a hybrid, consisting of both modern solid state and old vacuum tube technology working on 10132.0 kHz

4S7B Sri Lanka Beacon - IARU NCDXF Beacon in Sri Lanka 4S7B working on 14.100, 18.110, 21.150, 24.930, and 28.200

International DX Association, Inc - The International DX Association is an amateur radio organization dedicated to working DX and making DX possible. Promotes and supports DX operations in countries that have limited or no amateur radio activity. Support is usually to DXpeditions to rare DXCC entities. Provides DX news and QSL routes on 14.236 MHz at 2330z.

W6VIO JPL Amateur Radio Club - The JPL Amateur Radio Club is open to employees and contractors working at all Jet Propulsion Laboratory facilities including the Deep Space Communications Complexes in Australia, Spain and Goldstone California.

Ham Radio Chat NZ3M - A little meeting place with real time chat for ham radio ops. Includes dx spotting, propagation monitoring and more. Chat while working DX!

N3PKC's AO-51 Recordings - Here's some recordings made while working AO-51 from South Canaan PA

Latchways - fall protection systems - Latchways are the world leaders in fall protection and the manufacturers of the mansafe range of products for working at height.

How to work a RTTY pileup - Tips and tricks on working RTTY pileups by G0AZT

Work AO-51 with your HT - A tutorial on working the AO-51 satellite by using handheld radios.

Working AO-51 Calls for Courtesy, Common Sense - AO-51 Operating guidelines and introduction

TubeCalc - Input (grid or cathode) and output (plate) tube resistances calculation according to its electrical characteristics, frequency, mechanical dimensions and working conditions.