K3 KRX3 B SET and FREQ ENT

[Leigh L. Klotz Jr WA5ZNU]

I wanted to set the KRX3 to one frequency and the main RX to another.
So I had the SUB RX set and wanted to set main, so  I used M-V M1 to
recall a frequency for main, but that set SUB RX to some random
frequency I happened to have in VFO B the day I programmed M-V M1.
I thought, no problem I'll use B SET.
So I did B SET FREQ ENT but it doesn't seem to allow direct entry of the
SUB RX.

The M-V behavior isn't unexpected but I was surprised that B SET FREQ
ENT didn't work.

Leigh/WA5ZNU
K3#51

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[gm3sek]

Leigh L. Klotz, Jr WA5ZNU wrote:
>I wanted to set the KRX3 to one frequency and the main RX to another.
>So I had the SUB RX set and wanted to set main, so  I used M-V M1 to
>recall a frequency for main, but that set SUB RX to some random
>frequency I happened to have in VFO B the day I programmed M-V M1.

The same applies when scanning. The sub-rx becomes inaccessible.

When "Independence Day" arrives, will there be facilities to scan one
receiver independently of the other, on a different band?

>I thought, no problem I'll use B SET.
>So I did B SET FREQ ENT but it doesn't seem to allow direct entry of the
>SUB RX.
>
>The M-V behavior isn't unexpected but I was surprised that B SET FREQ
>ENT didn't work.
>
Good point.


--

73 from Ian GM3SEK

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[wayne burdick]

On Jan 30, 2009, at 12:37 PM, Ian White GM3SEK wrote:

> When "Independence Day" arrives, will there be facilities to scan one
> receiver independently of the other, on a different band?

Scanning and text decode/display will still be usable only with the
main receiver, initially.

73,
Wayne
N6KR


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[Doug Faunt N6TQS [phone]]

Since we're on the subject of the sub RX, what would it take to get IF
out from the sub RX in addition to from the main RX?

73, doug

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[Iain MacDonnell - N6ML-2]

Doug Faunt N6TQS [phone] wrote:
> Since we're on the subject of the sub RX, what would it take to get IF
> out from the sub RX in addition to from the main RX?

W3SZ posted about that in the LP-Pan group:

http://groups.yahoo.com/group/LP-PAN/message/2332

(don't know if you have to be a member of the group to read that)

Basically:

>> >> This is a brief summary of what I did with the KRX3:
>> >>
>> >> I used the Z10000 as buffer amp inside the KRX3.
>> >>
>> >> I got +12V from a 12SA pad near to P86A.
>> >> Power and RF connections to the Z10000 were done from the underside of
>> >> the Z10000.
>> >>
>> >> I took IF output from KRX3 from P86A and used RG174U to take this to
>> >> input of Z10000.
>> >>
>> >> I mounted Z10000 on an unused FL position using a 1/2 inch standoff.
>> >>
>> >> I mounted a dual female SMA connector in the REF hole at the bottom
>> >> corner of the K3 just below the official IF out BNC. I then used a
>> >> right angle premade small surplus coaxial cable to take the signal to
>> >> the KRX3 and thus the Z10000.
>> >>
>> >> I entered the KRX3 at the back left corner opposite to J92, because
>> >> there was already an opening there.
>> >>
>> >> I ran the coax inside the KRX3 bottom shell, beneath the main KRX3
>> >> PCB. I brought it up to the Z10000 by running it through an unused
>> >> hole meant for an FL standoff.
>> >>
>> >> At first check, using the two subreceivers on the Flex5000 to receive
>> >> the IF signals from the K3, the main K3 and the KRX3 subreceiver IF
>> >> outputs seem to be equivalent.
>> >>
>> >> When constructing the Z10000, I used the -U [Universal] options, not
>> >> the K2 options. I chose to set it up for zero gain, and thus chose
>> >> R907 to be 499 ohms, and R905 to be 4.7K, as per section 2.3.3 of the
>> >> Z10000 manual.

HTH,

     ~Iain / N6ML

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[Leigh L. Klotz Jr WA5ZNU]

I'd like to be able to set the VFO B RX frequency with BSET FREQ ENTER.
Leigh/WA5ZNU

> On Jan 30, 2009, at 12:37 PM, Ian White GM3SEK wrote:
>
>  
>> When "Independence Day" arrives, will there be facilities to scan one
>> receiver independently of the other, on a different band?
>>    
>
> Scanning and text decode/display will still be usable only with the
> main receiver, initially.
>
> 73,
> Wayne
> N6KR
>
>
> ---
>
> http://www.elecraft.com
>
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[wayne burdick]

Already on the list.

tnx
Wayne
N6KR

Leigh L. Klotz, Jr WA5ZNU wrote:

> I'd like to be able to set the VFO B RX frequency with BSET FREQ ENTER.
> Leigh/WA5ZNU
>

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[gm3sek]

wayne burdick wrote:

>
>On Jan 30, 2009, at 12:37 PM, Ian White GM3SEK wrote:
>
>> When "Independence Day" arrives, will there be facilities to scan one
>> receiver independently of the other, on a different band?
>
>Scanning and text decode/display will still be usable only with the
>main receiver, initially.
>
>73,
>Wayne
>N6KR

Thanks for the quick reply, Wayne.  When time permits, the first issue
is to avoid overwriting the sub-rx frequency when a scan memory is
recalled for use by the main rx.


--

73 from Ian GM3SEK
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