[Elecraft] K3 and PR6 question

[Andy GD0TEP]

Ah...
See how a simple question results in a better understanding of what's
actually going on under the lid of the radio..  :-)

It's difficult to tell just what's best when only going by what you can
hear... In essence then, I've no need to worry about using the PR6 when
listening on the 2nd receiver. Thanks Eric.

73 Andy
http://www.gd0tep.com


-----Original Message-----
From: Eric Swartz - WA6HHQ, Elecraft [mailto:eric at elecraft.com] 
Sent: 02 April 2009 18:19
To: ab7r at cablespeed.com
Cc: 'Andy GD0TEP'; elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3 and PR6 question

I do not find the need to use the PR6 on the sub when using the AUX ANT
jack. MDS is typically in the -139 to -140 range via that path.

In general, when running the sub RX via its dedicated AUX ANT connector, it
has better 6M sensitivity than the main RX antenna path. The AUX ANT path
does not have to go through the main T/R switching network or the LPFs, as
it does on the main board when sharing the path with the main RX. This
eliminates any rx path loss from those items.

73, Eric   WA6HHQ
Elecraft

>
>
> On Thu Apr  2  7:57 , 'Andy GD0TEP' <andy at gd0tep.com> sent:
>
>   
>> Greg, what I was trying to do was use the K3 like my 756pro does, 
>> i.e. TX on the main socket out, but receive on the RX antenna, all 
>> the time maintaining the advantage of the PR6.
>>
>> 73 Andy
>> http://www.gd0tep.com
>>
>>
>> -----Original Message-----
>> From: Greg - AB7R 
>> [ab7r at cablespeed.com','','','')">ab7r at cablespeed.com]
>> Sent: 02 April 2009 15:45
>> To: elecraft at mailman.qth.net; 'Andy GD0TEP'
>> Subject: Re: [Elecraft] K3 and PR6 question
>>
>> I suppose if  you REALLY wanted to do this you could use a second PR6 
>> and run your
>>
>> RX ant to the PR6 input and the output connected to the AUX RF 
>> connector if its
>>
>> installed and KRX3 set to BNC.  Then usinging a HOLD of the RX ANT 
>> button select
>>
>> the AUX position.
>>
>>
>>
>> -------------------------
>>
>> 73,
>>
>> Greg - AB7R
>>
>> Whidbey Island WA
>>
>> NA-065
>>
>>
>>
>>
>>
>> On Thu Apr  2  7:39 , "Andy GD0TEP"  sent:
>>
>>
>>
>>     
>>> OK Bud, that answers that question then...  thanks.
>>>       
>>> 73 Andy
>>>       
>>> http://www.gd0tep.com
>>>       
>>> -----Original Message-----
>>>       
>>> From: Bud Semon N7CW 
>>> [n7cw at cableone.net','','','')">n7cw at cableone.net]
>>>       
>>> Sent: 02 April 2009 14:57
>>>       
>>> To: 'Andy GD0TEP'; elecraft at mailman.qth.net
>>>       
>>> Subject: RE: [Elecraft] K3 and PR6 question
>>>       
>>> Hi Andy,
>>>       
>>> There was a fairly long discussion between Wayne, W0MU and myself on 
>>> this
>>>       
>>> subject, mostly on the reflector.  The answer was no - you can't use 
>>> the
>>>       
>> PR6
>>
>>     
>>> (as installed on the radio) inline on the 2nd receiver to monitor 6M 
>>> while
>>>       
>>> operating on other bands.
>>>       
>>> 73, Bud  N7CW
>>>       
>>> -----Original Message-----
>>>       
>>> From: elecraft-bounces at mailman.qth.net
>>>       
>>>
[elecraft-bounces at mailman.qth.net','','','')">elecraft-bounces at mailman.qth.
>>>       
>> net] On
>>
>> Behalf Of Andy GD0TEP
>>
>>     
>>> Sent: Thursday, April 02, 2009 5:57 AM
>>>       
>>> To: elecraft at mailman.qth.net
>>>       
>>> Subject: [Elecraft] K3 and PR6 question
>>>       
>>> Hello to the group.
>>>       
>>> I must be missing something in the manual... 
>>>       
>>> If I use the K3 (and 2nd receiver) with the radio TX on the main, 
>>> but RX on
>>>       
>>> the sub receiver that is connected to the antenna via the BNC RX 
>>> antenna
>>>       
>>> (with the SUB indicated on the display) is the PR6 pre-amp in line 
>>> with the
>>>       
>>> sub receiver or not?
>>>       
>>> 73 Andy
>>>       
>>> http://www.gd0tep.com
>>>       
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>>
>>
>>
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