Man set up radio transmitter by ‘alien UFO base’ Area 51… what he recorded terrified him

AN AMATEUR radio operator who set up a transmitter near the secretive Area 51 base has captured this extraordinary sound on camera.

Thousands of YouTube viewers have watched a man who has set up a radio transmitter within range of the top-secret military base in Nevada.

He explains he has done it specifically to capture any suspicious activity.

Then, something huge passes over him and makes a deafening sonic boom sound.

He said: “Holy s***, that scared the hell out of me.

“God damn.”

He then looks around, confused as to what the source of the loud sound could have been.

But no aircraft is in sight, reports.

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