Re: TI-H: REAL radio-link

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: REAL radio-link
From: "Robert Brack" <reb@netride.com>
Date: Sat, 28 Feb 1998 23:12:59 -0500
Reply-To: ti-hardware@lists.ticalc.org


-----Original Message-----
From: James Doty <jdaomteys@juno.com>
To: ti-hardware@lists.ticalc.org <ti-hardware@lists.ticalc.org>
Date: Saturday, February 28, 1998 5:37 PM
Subject: Re: TI-H: REAL radio-link


>
>Wouldn't the FAA love it if we made Calculator  VOR's.  You'd have to
>check to make sure that it is on a non standard frequency if you used
>this technique. 
>

Cool!  We could mess up airplanes and stuff!! :-)

>--JdAoMtEyS
>-----------------------------
>"Oh my god, they killed Kenny!" 
You B*st*rd!

>
>On Sat, 28 Feb 1998 16:27:16 +0100 "Stein Sem-Jacobsen"
><ssemjaco@online.no> writes:
>>
>>In aviation naviation there is a system called VOR (VHF 
>>omnidirectional
>>range). I uses a AM signal and a FM signal at the same carrier 
>>frequency to
>>determine where it is.
>>
>>It relatively low frequencies that are used. A 30Hz AM is modulated on 
>>top
>>of the 30 Hz FM at a carrier frequency of 9960Hz +/- 480Hz to get the 
>>FM
>>variation
>>
>>
>>-----Original Message-----
>>From: Richard Piotter <richfiles1@hotmail.com>
>>To: ti-hardware@lists.ticalc.org <ti-hardware@lists.ticalc.org>
>>Date: 24. februar 1998 23:43
>>Subject: Re: TI-H: REAL radio-link
>>
>>
>>>
>>>>> IS it possible to have one line modulate the amplitude and the 
>>other
>>>>> line modulate frequency. Then have a frequence counter and a level
>>>meter
>>>>> test the frequency and amplitude. never mind, I just realized why
>>>that
>>>>> would not work!
>>>>
>>>>
>>>>Wait a minute, why wouldn't that work?
>>>
>>>cause if the frequency and the amplitude modulate, then where is your
>>>carrier wave? It would look like plain old static interference, and I
>>>have no clue how you would integrate an AM and an FM reciever and
>>>transmitter together to filter noise from noise! I'd call that nearly
>>>impossible!
>>>
>>>Richard Piotter
>>>richfiles1@hotmail.com
>>>
>>>The Richfiles TI Page
>>>http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
>>>
>>>
>>>______________________________________________________
>>>Get Your Private, Free Email at http://www.hotmail.com
>>>
>>
>>
>
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