[theyknowitsxmas]

for 1977 I am so curious what security it has stopping a bad country from crippling it.

[pjc50]

None whatsoever, other than being obscure and very far away. Not a target of any commercial or military value.

[mysterydip]

Security through obscurity, then :)

[RedShift1]

I would be ok with going to war with a country that would do that.

[exe34]

you need a very big dish

[ale42]

There are several (possibly-hostile) countries who have big dishes and big transmitters...