28-09-2018, 10:45 AM
While looking over some old AR mags I came across an article in 1963 titled:
"High Altitude Nuclear Explosion at Johnson Island and Associated Effects on HF Signals at Hobart"
Page 7 here:
Amateur Radio magazine April 1963
According to Wikipedia it was project "Starfish Prime" on 9 July 1962:
Wikipedia: Project Starfish Prime
Sigh ...... the things we used to do.
"High Altitude Nuclear Explosion at Johnson Island and Associated Effects on HF Signals at Hobart"
Page 7 here:
Amateur Radio magazine April 1963
According to Wikipedia it was project "Starfish Prime" on 9 July 1962:
Quote:The explosion took place at an altitude of 250 miles (400 km), above a point 19 miles (31 km) southwest of Johnston Island.
Wikipedia: Project Starfish Prime
Sigh ...... the things we used to do.