Last I recall the SIRC was patrolled by the VZB Detachment, on their channel. Could be incorrect, but try it out...
453.5750 114.8PL MTA VZ Bridge
453.5500 94.8PL MTA Wide Area
Union County, NJ - Morgan County, WV - Baldoyle, IE
Confucius Say: "Communications techs do it on-air."