dialtone and Tunelab

[Tom Cole]

Robert Scott wrote:
> 
> Years ago I researched the dialtone as a frequency standard.  What
> I found out was that although it may appear to be very close to
> A-440, it is not guaranteed.  And each central office has their
> own dialtone generator. 

Right. It's called a ringing and tone plant. Most cities have the "new"
dial tone (F and A) but not all.

I just measured the local A and found it dead on at 440.00 accFrom andy Thu Nov  2 00:58:30 2000
To: dean@reyburn.com
Subject: Re: Fwd: failure notice (reyburn.com)
Content-Length: 423

>This is really strange. I sent this twice to jupiter@reyburn.com
>but I get an error back (never happened before).
>
>Did you get the post titled " RCT 3.5.0c1 release notes" ?

That is strange.  I did not get the post, and I don't think it went
to anyone else either.  That IP addr:

>206.168.112.96 does not like recipient.

is in fact the machine with reyburn.com on it.  Let me check on it
and get back to you.

-andy