‰  NOW 30 WPM  ‰  TEXT IS FROM MAY 2015  QST  PAGE 63 ‰

PROBABLY MORE REASONABLE TO ASSUME THE OPPOSITE.  RADIO MAGAZINE HAS
SCANNED AND PUBLISHED ONLINE TWO 1970S ERA PROOF OF PERFORMANCE MANUALS ONE
FOR AM STATIONS AND ONE FOR FM STATIONS.  THESE MANUALS WERE TYPICAL OF THE
DOCUMENTATION THAT GUIDED THOUSANDS OF CHIEFS CHIEF ENGINEERS AS THEY
CONDUCTED THE NECESSARY TESTING, QUITE POSSIBLY THE MOST IMPORTANT
ENGINEERING ASSIGNMENT THAT MOST RADIO STATION CHIEF ENGINEERS HAVE FIRST
OF ALL, IT DEMONSTRATES TO THE FCC THAT THE STATION IS AT LEAST ABLE TO
MEET MINIMUM TECHNICAL STANDARDS OR FAR EXCEED THEM.  A SATISFACTORY PROOF
ALSO ASSURES THE BROADCASTER THAT THE FACILITY IS DOING WHAT IT IS SUPPOSED
TO DO, AT LEAST TECHNICALLY.  THE MANUALS GO ON TO SHOW THE REQUIRED TEST
EQUIPMENT AND ITS CONFIGURATION, WHAT TESTS ARE NEEDED AND HOW TO PERFORM
THEM, AND PROVIDES FORMS FOR THE NECESSARY DATA.  THE GOAL OF A BROADCAST
FACILITY PROOF IS TO MAKE SURE THAT THE ENTIRE PROGRAMMING CHAIN, FROM THE
MICROPHONES AND AUDIO INPUTS TO THE TRANSMITTED SIGNAL, WERE IN GOOD ORDER.
SUCH TESTING CHECKS NOISE, DISTORTION, AND FREQUENCY RESPONSE OF ALL AUDIO
HANDLING EQUIPMENT.  TV STATIONS HAVE SIMILAR REQUIREMENTS FOR VIDEO
‰  END OF 30 WPM TEXT  ‰  QST DE W1AW  ƒ