Bi-Monthly test of one of Huntington's Screamers. It would appear that, for some reason, these are slowly being replaced with Sentry 3v8-H's. All of the pole mounted Screamers are still active but the 2 roof mounted ones have been replaced and both have been recorded.
My screamer video:
https://youtube.com/watch?v=r3Xs2OKhG4M
Mat Hackler's video of one of the new 3v8's
https://www.youtube.com/watch?v=QfSAQ0V9Xh8
Bill Grooms' video of the other 3v8
https://www.youtube.com/watch?v=emkx4PGSBsY