[TenTec] Wireless Remote Control of Jupiter or Pegasus

[Jim Lowman]

Mark, this message was the reason for the moderation. 
References to auctions or auction sites, eBay in particular, are 
strictly prohibited per the
rules of the list.

73 de Jim - AD6CW

Mark Erbaugh wrote:

>On Sat, 2005-01-08 at 11:14, doc wrote:
>
>  
>
>>They are popping up on the market at prices similar to the eBay
>>item, $125. for a matched pair including all accessories.
>>    
>>
>
>I didn't check out eBay - that price is within the realm of reason.
>
>
>  
>
>>Could a tone be sent via the audio side of the 2.4GHz link and be 
>>detected, amplified, and used to activate a relay for the DC power?
>>    
>>
>
>If you are talking about just putting a relay in the 12 VDC line, that
>has the problem that the Peg or Jupiter doesn't like to have it's 12 VDC
>turned on and off. The power on circuit has inrush protection that lets
>the voltage stabilize before applying power to the microprocessor.  I
>think that circuitry would have to be duplicated.  I really liked the
>design of the old (now) Kenwood TS870.  Somehow, the unit would respond
>to a serial port command to turn on and off.  Obviously, something in
>the radio was still awake even when the power was turned off.
>
>  
>
>>>3) this is nit picky, but in the US, the using an unlicensed device to
>>>supply transmit audio is in violation of FCC amateur regulations which
>>>prevent (execpt in specifically authorized cases) retransmission of audio
>>>from other services. Presumably this device works under Part 15 which
>>>constitutes another service.  The same restriction applies to using cordless
>>>microphones.
>>>      
>>>
>>Once acquired by a Ham and used by a Ham on a Ham band does
>>it not become a Ham device?  (Same as using a commercial UHF
>>rig modified for 440 for repeater control?)
>>
>>    
>>
>
>Maybe I misunderstood the intent. I thought you would still be using the
>modem as a Part 15 device.  If you convert it to ham band operation
>that's a different issue. However, you would then need to be concerned
>about the receive audio. If, for example, you tuned in a SW broadcast
>signal or any other non-ham signal it would not be legal to transmit the
>receive audio back to the remote site as that would again be an illegal
>retranmission of another service.
>
>73,
>Mark
>
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