They usually mention "Home Alert Receivers" when they trip the tones. Thanks for listing the tones Jeff! Andrew [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of David L Norris Sent: Wednesday, July 09, 2003 15:22 To: ScanIndiana Mailing List Does anyone know what ISP district 51 two-tone pages on 42.42 and 155.37 activates?