2012 (movie) AM radio in a back pack?

Sorry for the cruddy photos I just took the pics right off the Tv!

But I thought this was too interesting to not share!

He’s hanging out on a mountain top, so he’s obviously running under 1000 watts and I don’t expect his “antenna” to be even remotely close to a 1/4 wave for 745 KHz but what do you think? 3 miles? Lol!