[SFDXA] Ham Radio and International Geophysical Year 1950s

[Bill]

/Interesting video on Operation Deep Freeze during the IGY...//a good 
explanation of the term HAM too about half way through.
/
(20) Ham Radio and Operation Deep Freeze - YouTube 
<https://www.youtube.com/watch?v=uaTm_LUifUI>

https://www.youtube.com/watch?v=uaTm_LUifUI
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