Ever think about all out nuclear war? Or even a single high altitude detonation? If your gear survives the HEMP (High Altitude Electromagnetic Pulse) then what? What will the big ball of ionized plasma do to propagation?
With nuclear detonations there will always be some level of uncertainty. You can count on the fact Uncle Sam spent billions upon billions of tax payer dollars to answer these questions.
The title of the film is “High Altitude Nuclear Weapon Effects”. This film was was produced by the Defense Nuclear Agency showing some of the findings of Operation Fishbowl. Fishbowl was a series of high altitude nuclear tests over Johnston Island in 1962. This film discusses high altitude nuclear explosions and how the effect radar and radio communications. The film is split into two parts.
Part 1 “Phenomenology”
Part 2 “System Interference”