[TenTec] New Jupiter on its Way _ A Few Questions

Rockinghorse Winner (Terry) ny6p01 at gmail.com
Sun Apr 27 23:12:21 EDT 2014


Rick - DJ0IP / NJ0IP wrote:
> My bet is, you will blow the Pre-Amp.
> You have to separate those things!

I will prolly have to get a tx/rx automatic switch, like the one DXE 
sells, to protect myself from this eventuality.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of K8JHR
> Sent: Monday, April 28, 2014 2:29 AM
> To: Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] New Jupiter on its Way _ A Few Questions
>
>
> 	
>
> On 4/27/2014 5:05 PM, ny6p01 at gmail.com wrote:
>     Only
>> problem is that I plan on employing it on the same mast with the
>> transmitting antenna. Is that bad practice? The reason is that I am
>> not allowed an outdoor antenna, and I live in a small flat.
>
>
> 	ER... um... maybe.   Even Wellbrook says one should
> 	locate it away from strong transmit antennas to
> 	avoid overloading the receiver input.
>
> 	I think the correct answer is that it all depends
> 	on how well you isolate the receiver input from
> 	the transmit antenna and whether or not you use
> 	a separate receiver from the transmit radio, and
> 	similar considerations.  SO2R installations have
> 	similar issues - sometimes guys use a "front end
> 	protector" as is reviewed in QST this month, and
> 	other guys use a "time sequencer" to kill the \
> 	antenna when transmitting, tied to the PTT line
> 	and still others use a separate receive-only
> 	antenna input on the rig, as is available on the
> 	Omni VII, but not the Eagle.
>
> 	Yep... This COULD be a serious concern if not
> 	fully thought out.
> 	
>
> 	BUT YOU COULD TRY IT AND SEE HOW YOU LIKE IT
> 	AS A RECEIVE ONLY ANTENNA AND DEAL WITH THE
> 	TRANSMIT LOGISTICS LATER...
>
>
>
>
>> Then, I'll think about the antenna. I've already started to look for a
>> frame for the loop - I'm thinking 3/4" pvc; and flexible copper tubing
>> for the main loop.
>
> 		I know SWLs often use hula hoops ...
>
>
> ____________________ K8JHR ____________________________
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