The first part of the video which sounds like static was encoded in MT63, which, when played through a program, gives us this:

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MTRIP REPORT BEGIN

TRANSPORT COMPLETED, BEGIN MOVEMENT TO LOCATION

TIMESTAMP 101546007

ENTRANCE CONFIRMED AT 45016'23.99"N, 59015'39.99"E

TIMESTAMP 101556807

ENTRANCE TO SHAFT WAS OBSTRUCTED BY SOIL AND DEBRIS, RE-BLOCKED SHAFT AFTER EXIT

TIMESTAMP 101564007

LARGE SPHERICAL METALLIC OBJECT DISCOVERED 30 METERS BELOW SURFACE, INITIALLY FOUND VIA SURFACE-PENETRATING RADAR. POSSIBLE SUBJECT DISCOVERY

SMALL OPEN CAVE FORMATION DISCOVERED BELOW POSITION, SUBJECT CONFIRMED

TIMESTAMP 101585607

SUBJECT DIMENSIONS ARE 2.3556 X 2.3556 X 6.2443 METERS

SUBJECT IS SURROUNDED BY VARIOUS OBJECTS - ALL APPEAR SUSPENDED IN MIDAIR

CARBON DATING ANALYSIS GIVES UNUSUAL RESULT - SUBJECT COULD BE OVER 600 YEARS OLD

TIMESTAMP 101603607

EMF READINGS REPORT ACTIVE ELECTRONICS INSIDE SUBJECT, NO POWER SOURCE APPARENT

TIMESTAMP 101610807

BROADCASTING IMAGES AT ||320X240||ROBOT36||

STANDBY FOR RECIEVE

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In the second half, images were played in SSTV format, when run through a program with the settings 320x240 and Robot36, we get these:

http://img43.imageshack.us/img43/300/ivanssecretssstv.png