Antenna Theory

In this section you will find articles on yagi theory plus information on a fringe antenna (the rhombic) that has gone out of favor in recent years because of its size. It's gain, however, is unreal and this antenna was used in the "deepest of the deep" fringe locations and would would work wonders on today's DTV stations, if anyone cared to try.

Antenna Stacking

Everything you need to know about stacking TV or FM antennas

TV and FM Development

There's a little bit of everything in this section. You can follow along with the progression of TV and FM broadcasting over the years.

Propagation

This section focuses on propagation.

WTFDA Corner

A collection of articles by WTFDA members or old photos of WTFDA members.

Bob Cooper's Corner

Here are the first 16 issues of Robert B. Cooper's DX Horizon magazine from 1960 through April 1961. Before you begin, please read Bob's Readme file for some valuable historic data. Also check out the 1975 Test Cookbook published by Bob's CATJ magazine.

SDRs

Various articles about SDRs, including how to use them with the various software packages that are available.

AIPA Archive

Founded in 1953 by a young Bob Cooper, the AIPA was the club for TV and FM DXers. The AIPA lasted ten years until 1963 when it was suddenly disbanded. Many AIPAers later went on to form the WTFDA. This is a collection of all the AIPA bulletins we could find, courtesy of WTFDA member Les Prus.
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