At 08:00 PM 6/6/04 -0700, you wrote:
>Thanks Jim, just that I work on Wednesdays, I'm just not winning here.
Got a video camera and a tripod?
Hook the camera to your VCR and program it to record from
11am to 1pm on Wednesday (or whenever the test is done in
your area).
>If I
>could get a schematic of this critter then I would be able to tell what I am
>looking for.
Can you order a service manual?
> All I need to know is which way the diode lights go when the
>tones go off. Actually if I could just fine one of the old Radioshack
>units, 22-249 I think was the number, I would have it made.
Is that the old weather cube?
If so, what's wrong with taking an old 160mhz highband RX (most hams
consider them doorstops) and get a cheap xtal for it. Put a simple
single-tone decoder behind it and your are done - and the decoder
can be as simple as a twin-T filter at 1050hz followed by a full wave
voltage doubler that turns on a transistor.
Mike WA6ILQ
>Ah well, this is just the fun of it I suppose. Thanks.
>
>Mathew
>
>
> > I also think that NWS performs weekly tests of SAME transmissions on
> > Wednesdays between and 11-1PM. Check with NWS in your area and
> > you may not have to wait until the next storm.
> >
> > Jim, KC1RM
> >
> > > Well that answers that, it will work on a regular weather radio, but
>will
> > > not work on with the SAME. Well back to the drawing board. Guess I
>will
> > > have to wait until the next storm rolls in.
> > >
> > > Mathew
> > > >
> > > > >Can anyone tell me for testing purposes if there is a way to set the
> > > > >tones off on a weather radio. What is the sequence they use to make
> > > > >them tone off?
> > > > >
> > > > >Mathew
> > > >
> > > > For a regular weather RX it's audio consisting of just a 1050hz tone
>for
> > > one
> > > > second (i.e. just the tone, no voice or other audio in the
>background).
> > > The
> > > > overly conservative specs call for the encoder to send three seconds
>to
> > > > make sure.
> > > >
> > > > The SAME receivers use a digital data burst and I know of no commonly
> > > > available test equipment for it.
> > > >
> > > > Mike WA6ILQ
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Yahoo! Groups Links
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