phased array tv

Four over Four for 144MHz - This article describes the 144MHz horizontally polarised antenna at VK1OD in November 2008. The antenna uses two identical four element arrays that were constructed around 1970

The Curtain Quad - The Curtain Quad is a broadside array of 7 to more than 200 elements using a very powerful but seldom used method of power distribution

The Gain of an Endfire Array - This article looks at the maximum theoretically possible directive gain that could be obtained with an endfire array of given length or number of elements, and compares this with practical results in the literature.

An 8x2 Element Array Antenna For 144 MHz - The Contesters Choice

The K7TJR Array 160m antenna - Anyone attempting to work DX on Top-Band 160 Meters, soon learns of the need for a good receiving antenna. This is a 160 meter 8 element receiving array.

Log Periodic of Another Sort - A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range

WHEEL Antennas - Wheel antenna informations by The Olde Antenna Lab

EB5AGV Vintage Radio and Test Equipment - EB5AGV / EC5AAU Boatanchor collection. Useful data on TV-testers, Collins, Drake, Hammarlund, Hallicrafters, National, Heathkit, EF Johnson.

YV Venezuela Callsign Search - Online YV and YY Callsign search.

Police Scanner Munster Indiana - Live broadcast from Munster Indiana

Newcastle Scan, Live Scanner - A live stream of radio scanner, You will Emergency Services, Police, Fire, Ambulance, Rescue, Transit officers, plus non ES like transport, media, taxis, couriers, buses, security just about anything. From Newcastle Australia

Chicago Police Scanner live - Police radio scanner live streaming broadcast using ustream.tv

wb4bcr Receive 4 Square Control Unit - Build a Receive 4 Square Array! Make your own 160 meter 4 square receive antenna.

SwissATV - swissATV.ch swiss site dedicated to Ham radio ATV

ON7KEI SSTV Site - Dedicated to SSTV and live reception from all over the world

K3UK's Quick and Dirty Guide to Narrow Bandwidth SSTV - MMSTV help pages, describing how to setup and run this sstv program by Andrew O'Brien

SSTV & ATV WebRing - SSTV & ATV "only" Webring. Many members world wide.

DStar TV - Slow Scan TV for D-Star Amateur Radios

InterAce SSTV - The Internet SSTV program for use with Echolink

TVi Basics - making filters - TV Interference filters, making TVI filters, coaxial filters to eliminate TV interferences caused by radio frequency

Television Interference - TVI - VR2XMT article on TVI and how to solve interference problems

Sound Card Interface by VK6YSF - Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals.

Sound Card Interfacing for RTTY, PSK31, and SSTV - Using a PC sound card to coonect to your radio.

Spectrum Analyzer building Project. - W6/PA0ZN CATV tuner based Spectrum Analyzer Building Project

Greg's Homemade Oscilloscope Page - Time to show your TV who's boss