Kirby;
Thanks for the reply and I figured as much about the antenna. Just thought
I'd ask.
Good DX.
George
----- Original Message -----
From: "K Van Horn" <k7ec@sbcglobal.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, March 13, 2005 1:32 PM
Subject: Re: [TenTec] ORION_ANT_SELECTION
> Greetings George,
>
> It is entirely normal!! When you connect 2 receivers to one antenna, the
> signal is divided equally with a splitter, which sends half of the signal
> to
> each receiver(load). If it important to hear the full signal level on one
> receiver, use only one receiver(assuming that you don't get a better
> listening result by using the stereo effect of 2 receivers on the same
> frequency feeding seperate ears which in turn feed your brain, allowing
> your
> brain to pull really weak signals out of the noise)! The Orion has a main
> receiver which is exceedingly quiet at low signal level due to the use of
> the patented Jones oscillator circuits. Given the Japanese distain for
> paying royalties, I would suspect that the Jones low noise oscillator
> circuits will not be available in the Japanese radios until the patent
> runs
> out(just like Icom did with the Digi-Sel feature on the 7800--my JRC
> radios
> have had this feature for many years...JRC held the patent, and when it
> expired, Icom used it as a big improvement in their technology on the
> 7800).
>
> 73 es Gud DX,
>
> Kirby, K7EC
>
> ----- Original Message -----
> From: "Mike Gorniak" <gorniak@ncis.com>
> To: <tentec@contesting.com>
> Sent: Sunday, March 13, 2005 11:51 AM
> Subject: Re: [TenTec] ORION_ANT_SELECTION
>
>
>> Hi George,
>>
>> I don't know what to say about the volume control situation, but I have
>> observed the same behavior as you regarding the
>> receiver antenna selection situation. As always, an antenna driving 2
>> separate loads simultaneously will deliver less voltage into each one of
>> them than when driving either one alone.
>>
>> However, I've yet to find a situation where this compromised the ability
>> of
>> the Orion to hear a signal.
>>
>> I've observed this behavior in all versions of the software that I have
>> gone through, going all the way back to 1.340.
>>
>> 73,
>>
>> Mike Gorniak
>> NM7X
>>
>> (Original Message)
>>
>> Date: Sun, 13 Mar 2005 10:41:59 -0500
>> From: "George K" <w2yj@highstream.net>
>> Subject: [TenTec] ORION_ANT_SELECTION
>>
>> Orion owners.
>> I have noticed a problem with my Orion running on the latest firmware,
>> 1.372. I never had the previous version as it was loaded at the factory.
>> When I switch the sub receiver to ant 2, that's where my beam is
>> connected,
>> I notice a slight decrease of signal on the main receiver??? Is it the
>> loading of the sub receiver on the main receiver doing this. Is this
>> normal?
>> I also get blasted out of my shack with the audio volume reverting to
>> full
>> volume. I madly reach for the off button as my ears are near bleeding
>> from
>> the blast! This happens, as I can remember, when I turn up the volume.
>> Turning it back on relieves this annoyance. This is a very infrequent
>> affair.
>> The other small annoyances I can live with, so far.
>> George W2YJ
>>
>> _______________________________________________
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>> TenTec@contesting.com
>> http://lists.contesting.com/mailman/listinfo/tentec
>>
>
>
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>
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