>>285242443
Fuck it I'll bite. Just checked the intro again, the "numbers station" sends out a mix of numbers, letters, and the word 'and'. Usually a number and letter is paired together with 'and', could just be a trivial cipher. Some of the letters are missed by static from the radio, but that shouldn't be an issue. 
I also noticed the radio in the bar during my playthrough, but didn't realise it was numbers. I'll check later and see if I can find anything.