Hi Chris,

>We are interested in having such a setup, but need to know if anyone
>else is doing it? If so, how are you sending the tones for the pager
>and such.

(A disclosure: My company used to make the 7K controller that several 
folks mentioned in their responses. Its replacement, the 7330, also 
supports tone paging.)

Generating paging tones is usually the job of the repeater controller. 
Not all controllers do it, and many folks don't care. Tone paging isn't 
all that popular any more, having first been replaced by digital paging 
and then by cell phones.

The controller needs to increase the tone amplitude when paging. If the 
controller has only one tone level pot, you'll probably want to set it 
so the CW identifications and courtesy beeps loud enough to be 
understood but low enough to not override a conversation. On the other 
hand, a paging tone needs to be fairly loud (about 3.3 kHz of 
deviation) because the paging receiver is expecting that level.

The tones also need to be fairly free of distortion and close to the 
format's specifications. That includes the accuracy of the tone 
frequencies and the durations of the tones and gaps.

And, it's handy to be able to pre-store the pages in memory so it's 
easy to call them up with a DTMF sequence.

Hope that helps -

73,
Bob, WA9FBO

S-COM, LLC
PO Box 1546
LaPorte, CO 80535-1546
970-416-6505 voice
970-419-3222 fax
www.scomcontrollers.com
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