>>2800952 3539
I saw GAALT earlier and then there is the link you provided.
https://www.acronymfinder.com/Gain-Adjusting-Audio-Leveling-Terminator-(GAALT-Industries)-(GAALT).html
GAALT stands for Gain Adjusting Audio Leveling Terminator (GAALT Industries)
http://www.abovetopsecret.com/forum/thread348499/pg3
Even mentions a Beatty in the above link.