[TenTec] SO2R with only one TenTec ORION?

Richard Detweiler rdetweil at hotmail.com
Thu Jul 22 11:57:13 EDT 2004


Some clarifications....

I didn't mean to imply I had two Orions,

I meant that I'm using the diversity reception on the Orion with really good 
results.

73's
Rich
K5SF


>From: "Richard Detweiler" <rdetweil at hotmail.com>
>Reply-To: tentec at contesting.com
>To: tentec at contesting.com
>Subject: Re: [TenTec] SO2R with only one TenTec ORION?
>Date: Thu, 22 Jul 2004 09:40:57 -0500
>
>Agree,
>
>SO2R 4RX  would be really a wonderful way,  Using both RX of each radio on 
>a single frequency,  with two antennas per radio ( one vertical plorized 
>and one horizontally polorized )  would be a very ideal station.
>
>This combination has been yeilding some really good results for me lately.  
>With the Orion Filters,  it could help draw in some of the weaker stations 
>that could really boost the scores.
>
>73's
>Rich
>K5SF
>
>
>>From: "Ten-Tec Inc. Amateur Radio Sales" <sales at tentec.com>
>>Reply-To: tentec at contesting.com
>>To: tentec at contesting.com
>>Subject: Re: [TenTec] SO2R with only one TenTec ORION?
>>Date: Thu, 22 Jul 2004 09:05:36 -0400
>>
>>It's a limitation of hardware - there would be some serious isolation 
>>issues
>>involved with allowing one receiver to be open while transmitting at 100
>>watts on another band with the same piece of equipment.  We did some
>>investigating of this early on in the Orion development (because as an
>>SO2R op myself, I really would have liked this).  It was soon obvious
>>that the engineering challenge plus the hardware involved was going to
>>be too much effort and cost added to the rig to do it.  We did leave on 
>>all
>>the other "SO2R style" acoutrements like the second amp keying line, etc.,
>>but the muting of the opposite receiver while transmitting is not the 
>>usual
>>modus operandi for the SO2R operator.   The point of SO2R is to be doing
>>something productive while calling CQ rather than listening to your own
>>CQ's all weekend.
>>
>>Solution:  two Orion's.
>>
>>Scott Robbins
>>W4PA
>>
>>At 04:42 AM 7/22/04 +0000, you wrote:
>>>Now that's an interesting question.
>>>
>>>The Orion has two receivers and produces two sets of band data for
>>>independent selection of antennas. However, for SO2R you would need to be
>>>able to listen on one band whilst transmitting on another.
>>>
>>>Currently that's not possible with Orion though if one of its receivers 
>>>is
>>>completely independent of the transmit chain then in theory it could be.
>>>
>>>I may be wrong but something tells me it's more than just firmware
>>>limitations that prevent this.
>>>
>>>Bob, 5B4AGN
>>>
>>>
>>>----- Original Message -----
>>>From: "OE3ZK Gerhard" <oe3zk at aon.at>
>>>To: <tentec at contesting.com>
>>>Sent: Tuesday, July 20, 2004 4:03 PM
>>>Subject: [TenTec] SO2R with only one TenTec ORION?
>>>
>>>
>>>Has somebody experience? Is this possible?
>>>
>>>73
>>>Gerhard, OE3ZK
>>
>>
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