[Elecraft] K3: Receive Ant Question

[Brian Alsop]

FB Don,

I see the *'s .  At first viewing, they look like flyspecks on my 
printout.

Thanks.

73 de Brian/K3KO
On 11/13/2013 23:42, Don Wilhelm wrote:
> Brian,
>
> There is a "*" next to that "spark gap" and a note on the diagram which
> defines the "*" as a COR.
> Yes, there also is a spark gap.
>
> 73,
> Don W3FPR
>
> On 11/13/2013 6:29 PM, Brian Alsop wrote:
>> Hi Don,
>>
>> Correct me if I am wrong.
>>
>> The back panel diagram of the K3 shows two BNC's labed RX antenna.  I
>> thought the thread originator was referring to this input path for a
>> RX antenna. It's what I use for RX antenna input.
>>
>> I see "spark gaps" on the inputs on those pages you quote.  I don't
>> see a carrier operated relay for the above BNC's.  If it is there. I
>> don't see it on the schematics.  The relay that is there is to
>> complete the rx/tx circuit when the BNC's are not in use. At least
>> that's what I can glean from the circuit.
>>
>> The aux antenna BNC didn't come till later when the subrx and
>> diversity reception became a reality.  It does have a real relay that
>> goes click, click with too much RF.  It also has a spark gap protector.
>>
>> 73 de Brian/K3KO
>>
>>
>>
>>
>>
>> On 11/13/2013 22:56, Don Wilhelm wrote:
>>> All the antenna configuration diagrams in the K3 manual show a COR on
>>> the RX ant input.
>>> See pages 41 through 44.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>> On 11/13/2013 5:43 PM, Brian Alsop wrote:
>>>> Guys,
>>>>
>>>> I thought he said RX antenna input.  The COR is on the aux ant input.
>>>> There is no COR on the RX antenna input (it's not needed, I think.)
>>>>
>>>>
>>>> 73 de Brian/K3KO
>>>>
>>>
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>>
>>
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Checked by AVG - www.avg.com
Version: 2012.0.2242 / Virus Database: 3222/6333 - Release Date: 11/13/13