What does it even mean?

This was a challenge @ BSidesDetroit 2013 and although it was rated easy, it took some out of the box thinking to get.

***********************************************************************************BEGIN_TRANSMISSION***********************************************************00000000000000000000000000000000000000000000000000000000000000000000000000000000010101000001010100000101010000111110100001111011111000000000000000000000000000000011100000001110000000111000001000001000010010100000001111000000000000000000000011010110001101011000110101100011100010000111101001100000000000000000000000000000001110000000111000000011100000100000100001001010001000111100000000000000000000000101010000010101000001010100001000001111010010111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101001010101001011110111110001110011110001000101111010010000000000000000000000001010010101010010100100010000010010100100001010010010100100000000000000000000000000000101010111101111000100000100101001000001000100101001000000000000000000000000000001010101001010010001000001001010010000010001001010010000000000000000000000000000011111010010100100010000011100111100000100011110111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111110111101111010001000100010111101001000111001111010001010111110000000000000001010101000010010110010000101001001010010001001010010110010100010000000000000000010101011110111101010100000100010010100100010010100101010100000100000000000000000101010100001001010011000001000100101001000100101001010011000001000000000000000001010101111010010100010000010001111011110001110011110100010000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111101111010000100000011110111101000101111101111001111100000000000000000000000001000010000100001000000100101001011001000100010000000001000000000000000000000000011110111101000010000001111011110101010001000111100001110000000000000000000000000000101000010000100000010000100101001100010000001000000000000000000000000000000001111011110111101111000100001001010001000100011110000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101010100101111011111000100101110100010111000011110111100011110000000000000000001010101001010010001000001010001001100101001000100101000000100100000000000000000010101011110111100010000011000010010101010010001001011100001111000000000000000000101010100101001000100000101000100100110100100010010100000010010000000000000000001111101001010010001000001001011101000101110000111101000000100100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100101111011111011110100000011101111000111110100101110111100111110010100000000001001010010001000100001000000010010000000010001001001001000000000100101000000000011110100100010001111010000000100111100000100011110010011110000111000000000000000100101001000100010000100000001000001000001000100100100000100000000000000000000001001011110001000111101111000111011110000010001001011101111000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000***END_TRANSMISSION*********************************************************************************************************************************************

I did all sorts of binary transforms on this but i didnt really get it until i started looking at what looked like "padding" with the 0's. Line them all up like so:

Readability may improve by using different fonts or even scooting back from your computer a few feet to see the key.