When did Horizon Season 33 Episode 6 air?
Horizon Season 33 Episode 6 aired on February 12, 1996.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Recounts the history of scientific attempts from Marconi onwards to understand the atmospheric layer, known as the ionosphere. Discusses interest shown by the US Military in the region which has led to the establishment of HAARP (High Altitude Auroral Research Project) which will beam energy directly into the ionosphere.
Direct answers for episode-level questions and details.
Horizon Season 33 Episode 6 aired on February 12, 1996.
This episode runs for approximately 60 minutes.
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