I've Seen: A Model 2 In Georgetown, TX A Sentry 20V2T? Some Where In South Texas A 10V In Georgetown, TX A Model 5 On A Water Tower In Kyle, TX (Where I Live) 3 ATI HPSS-16's At The Randolph Brooks AFB In Converse, TX I've Heard A 508 In Georgetown, TX A 2001-130 In Geronimo, TX By A Middle School ...