TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning "long distance."

The main sources of DX reception on TV and FM are sporadic-E and tropospheric ducting (or "tropo" as it is commonly known). Another source is "scattering" of signals off the ionized trails left by meteors.

4 天之前 · We feature original apps such as the WLogger (Prop logger), FM Database and the Radioland app developed by WTFDA members for the DX community. This site is dedicated to TV and FM DXers everywhere!

explore some of the basics of TV-DX, including what it is, how (and why) it suddenly appears on your television screen, and some internet resources. What is TV DX? Chances are, you’ve seen a snowy image fade in and out, or perhaps some wide black horizontal lines suddenly appear on TV chan-nels 2 through 6 – followed by the realization

To stay up-to-date on trends and techniques in TV and FM DXing, contact the experts at North America's only DX club for TV and FM DXers: Serving the VHF-UHF Enthusiast Since 1968 WTFDA publishes the colorful monthly e-zine VHF - UHF Digest , operates WTFDA Forums, operates the "tvfmdx" message board, and maintains a Website which contains ...

2022年3月8日 · Sporadic E propagation has been a significant source for long-distance (DX) radio signal communications for voice

Information to help DXers identify TV DX from Mexico and Latin America. Includes logos, ID tips, and a primer on Mexico TV.

2016年3月21日 · tv－dx的大概意思是远距离电视信号。 上周五在保定市河大新区收到模拟信号大城县电视台（大城县属廊坊市），以前从未收到过。 在这里以前还收到过模拟霸州台，宝坻台，北京科 ...

2009年6月12日 · DTV DX Records E-skip, Meteor Scatter, Tropo. Updated 10-13-2015. Ed Phelps and Christopher Dunne are the most-recent DXer to provide updates. Other updates will be added soon. See DTV DX Hall of Fame for Transition Period records (2000 - June 12, 2009) NEWS: Ed Phelps (NN2E) Logs a Record-Breaking 750th DTV!

In this article we will periods occurring during the summer months, bounces up to another cloud and back down explore some of the basics of TV-DX, including from early May to August in the Northern again.