All of these are 20V1Ts and part of Glenn Heights System, and are tested "First Wednesday of the month at 1:00pm" 32.5608522, -96.8742516 32.5604851, -96.8522481 32.5579223, -96.8282323 32.5424675, -96.8635171 32.5384701, -96.8420651 32.5292281, -96.8586338 This is a Sentry 10V2T and is pa...