phased array tv

Monster Quads - N6LF tells us about his monster two-element 40-meter quad, with bonus three elements on 20 and 15 meters.

A Potpourri of 160-Meter Verticals - A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole

Single support gain antennas for 80-160 meters - On 80 and 160 meters an antenna with modest gain and good front-to-back (F/B) ratio, along with a steerable pattern, can be very effective for contesting.

Using the half-square antenna for low bands - Can’t put up a really high horizontal antenna for 80-meter DXing? Maybe the vertically polarized Half-Square might be the antenna for you.

Reversible Beverage Array - Building a reversible beverage array at OH2BEN

Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.

Bruce arrays for 80 and 160m - Antennas with gain and bandwidth for 80 and 160 meters band. Simple wire antenna capable of considerable gain

Directional arrays - About collinear array antennas

The 7-Hex Driven Vertical Array - The array consists of 7 vertical antennas arranged as 6 verticals in a hexagon shape plus 1 additional vertical in the center of the hexagon

Baluns on Log Perodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays. If we consider what the balun does we can see how the mistake occurs.

A cheap and easy TV antenna - A simple, cheap, efficient tv antenna that you can make yourself.

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.

23cms antenna - The DL6WU 23cm YAGI, The Bassoon 3 band J-Pole antennas, pictures and building plan

Four square phased verticals - TK5EDP 4 square phased vertical system in corse isl.

DXCal DX Calendar - This is DXCal - a DX Calendar. The idea is quite simple, DXCal is a calendar where hams can adds all the DX events that are planned.

Eufaula, AL Live police scanner - Live polive scanner feed from Alabama

Television History - The First 75 Years, learn about the history of TV-set design, development and marketing.

BandPlans.com - Have you ever wondered where different modes should be operated, what frequencies to avoid as a courtesy like SSTV etc? This site offer a database for known net frequencies,known segments for different modes, known beacons

APRSTV.com - A video podcast about aprs, the automatic position reporting system, used by amateur radio operators.

Russia ATV Amateur TV - Digital Amateur Television web sited include a D-ATV transmitter, D-ATV receiver, D-ATV modulator D-ATV schematics by RA3TTS

Kustom CB & Stereo - CB Radios, 10 Meter Radios, Base Station Radios, Amateur Radios, Wilson, Firestik, Monkey Made, Striker Antennas, Cobra, Uniden, Galaxy, Connex, Magnum, Ranger, General Radios in Phoenix, AZ

Coaxial Bulk Cable - This page shows the coaxial cable and connectors needed to wire your home for tv

APLT Communications - Italian ham radio dealer for Icom Array Solutions hyt mfj force12 heil-sound yaesu spiderbeam pkw ameritron acom palstar.

Geosat - MSDOS program to calculate Az-El position of geostationary satellites at specific location and carrier to noise ratio of received SAT TV signal.

Interferences and filtering - General information on Filter passbands, interferences, TVI and RFI problems