. Gateway Information:  Using the link is very straight forward, simply tune your Radio (Simplex) to 145.2375 MHz, add a 94.8Hz CTCSS tone and you are ready to go. DTMF functions are available as shown in the table to the left..   The system gives an audio ident every three minutes, so if you can hear that there is a very good chance that the system can hear you along with everyone else connected to the system.   If you have any queries or fault reports then please let me know (email address available by using the ‘Contact’ button above) or by dropping into the Forum, Operating: Please use the system as often and as for long as you like, however, as a consideration to others (and inline with your licensing conditions), always give your Callsign prior to sending DTMF and disconnect a link once you are finished using it. Access to PC users is switched off, this is a Radio hobby folks.