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Using PR6-10 with KPAK3AUX

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Ian Kahn, KM4IK

Using PR6-10 with KPAK3AUX

All,

I decided to take the plunge this spring and see what 6m is all about. To
that end, I purchased a PR6-10 NIB from an estate sale, and am eager to get
it installed with my K-Line. I already have the ACC port on my K3 occupied
by the KPAK3AUX cable for the KPA500/KAT500. I'm looking for any
suggestions on how to get the DIGOUT1 line from the cabling for the PR6-10
to pin 11 on the ACC port without totally destroying the KPAK3AUX cable. If
anyone has already done this, and could provide guidance, I'd be very
appreciative.

Thanks and 73,

--Ian

Ian Kahn, KM4IK
Roswell, GA EM74ua
[hidden email] <mailto:[hidden email]>

Please join me in the Georgia QSO Party April 11-12, 2015. Info at
http://www.georgiaqsoparty.org.
10-10 #74624, North Georgia Chapter #2038

PODXS 070 #1962
K3# 281, P3 #688, KAT500 #860, KPA500 #1468

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Ian Kahn, KM4IK

Re: Using PR6-10 with KPAK3AUX

Thanks, Joe. I'll contact Elecraft sales on Monday to get the price of the
cable.

73 de,

--Ian
Ian Kahn, KM4IK
Roswell, GA EM74ua
[hidden email]
Please join me in the Georgia QSO Party April 11-12, 2015. Info at
http://www.georgiaqsoparty.org.
10-10 #74624, North Georgia Chapter #2038
PODXS 070 #1962
K3# 281, P3 #688, KAT500 #860, KPA500 #1468

-----Original Message-----
From: Joe K2UF [mailto:[hidden email]]
Sent: Saturday, March 14, 2015 11:13 PM
To: 'Ian - Ham'
Subject: RE: [Elecraft] Using PR6-10 with KPAK3AUX

Elecraft has a special "y" cable for that purpose.

73 Joe K2UF

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Ian -
Ham
Sent: Saturday, March 14, 2015 11:09 PM
To: [hidden email]
Subject: [Elecraft] Using PR6-10 with KPAK3AUX

All,

I decided to take the plunge this spring and see what 6m is all about. To
that end, I purchased a PR6-10 NIB from an estate sale, and am eager to get
it installed with my K-Line. I already have the ACC port on my K3 occupied
by the KPAK3AUX cable for the KPA500/KAT500. I'm looking for any
suggestions on how to get the DIGOUT1 line from the cabling for the PR6-10
to pin 11 on the ACC port without totally destroying the KPAK3AUX cable. If
anyone has already done this, and could provide guidance, I'd be very
appreciative.

Thanks and 73,

--Ian

Ian Kahn, KM4IK
Roswell, GA EM74ua
[hidden email] <mailto:[hidden email]>

Please join me in the Georgia QSO Party April 11-12, 2015. Info at
http://www.georgiaqsoparty.org.
10-10 #74624, North Georgia Chapter #2038

PODXS 070 #1962
K3# 281, P3 #688, KAT500 #860, KPA500 #1468

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Oliver Dröse

Re: Using PR6-10 with KPAK3AUX

Save the money, Ian! Configure it as always on (jumper) and just
activate it thru the RX ANT button.

Of course this is only an option if you do not want to use any RX
antennas for other bands connected to the PR6-10 ...

73, Olli - DH8BQA

Contest, DX & radio projects: http://www.dh8bqa.de

Am 15.03.2015 um 04:19 schrieb Ian - Ham:

> Thanks, Joe. I'll contact Elecraft sales on Monday to get the price of the
> cable.
>
> 73 de,
>
> --Ian
> Ian Kahn, KM4IK
> Roswell, GA EM74ua
> [hidden email]
> Please join me in the Georgia QSO Party April 11-12, 2015. Info at
> http://www.georgiaqsoparty.org.
> 10-10 #74624, North Georgia Chapter #2038
> PODXS 070 #1962
> K3# 281, P3 #688, KAT500 #860, KPA500 #1468
>
> -----Original Message-----
> From: Joe K2UF [mailto:[hidden email]]
> Sent: Saturday, March 14, 2015 11:13 PM
> To: 'Ian - Ham'
> Subject: RE: [Elecraft] Using PR6-10 with KPAK3AUX
>
> Elecraft has a special "y" cable for that purpose.
>
> 73 Joe K2UF
>
> -----Original Message-----
> From: Elecraft [mailto:[hidden email]] On Behalf Of Ian -
> Ham
> Sent: Saturday, March 14, 2015 11:09 PM
> To: [hidden email]
> Subject: [Elecraft] Using PR6-10 with KPAK3AUX
>
> All,
>
>
>
> I decided to take the plunge this spring and see what 6m is all about. To
> that end, I purchased a PR6-10 NIB from an estate sale, and am eager to get
> it installed with my K-Line. I already have the ACC port on my K3 occupied
> by the KPAK3AUX cable for the KPA500/KAT500. I'm looking for any
> suggestions on how to get the DIGOUT1 line from the cabling for the PR6-10
> to pin 11 on the ACC port without totally destroying the KPAK3AUX cable. If
> anyone has already done this, and could provide guidance, I'd be very
> appreciative.
>
>
>
> Thanks and 73,
>
>
>
> --Ian
>
> Ian Kahn, KM4IK
> Roswell, GA EM74ua
> [hidden email] <mailto:[hidden email]>
>
> Please join me in the Georgia QSO Party April 11-12, 2015. Info at
> http://www.georgiaqsoparty.org.
> 10-10 #74624, North Georgia Chapter #2038
>
> PODXS 070 #1962
> K3# 281, P3 #688, KAT500 #860, KPA500 #1468
>
>
>
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> http://www.avast.com
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html Message
> delivered to [hidden email]
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2015.0.5856 / Virus Database: 4306/9303 - Release Date: 03/14/15
>
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> http://www.avast.com
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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Elecraft mailing list

Re: Using PR6-10 with KPAK3AUX

I also have the PR6-10, The KPA500, and The KAT500

Elecraft makes a Y cable but even with that it appears that a line in the KPA500 is pulling the DIGOUT1 Line low so the Pre-amp is always on.
One possible cure is to get a 15 pin Port-saver and remove the DIGOUT1 pin. Then connect the Port-saver on the end of the end of the cable on the KPA500 side. By doing it this way the pre-amp can be turned on and off but the Inhibit on the KPA500 will no longer work.

What I'm considering is to use the Band3 line on The ACC-line; The Band3 line goes High on 12,10, & 6 and the PR6-10 Range is 22-54 Mhz. Since the logic is inverted (The DIGOUT1 line goes low when on) it can be inverted with a simple 1 transistor stage built into the DB15 hood. Note: I have not tested this but looking at the logic it all looks correct.

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k5oai

Re: Using PR6-10 with KPAK3AUX

In reply to this post by Ian Kahn, KM4IK

I had RFI problems trying to use the y cable, so I did a work around. Since I have RX antennas I sometimes need to use through an MFJ 1026 to fight my local noise problems. So I built a little box with a switch in it. I use 12v power from an external source (not the back of the K3) When I want to run the preamp I throw the switch and apply power to the PR6-10. Kind of a round about way to do it, but it works like a charm.

73 GB,
Sam K5OAI

Ian Kahn wrote

All,

I decided to take the plunge this spring and see what 6m is all about. To
that end, I purchased a PR6-10 NIB from an estate sale, and am eager to get
it installed with my K-Line. I already have the ACC port on my K3 occupied
by the KPAK3AUX cable for the KPA500/KAT500. I'm looking for any
suggestions on how to get the DIGOUT1 line from the cabling for the PR6-10
to pin 11 on the ACC port without totally destroying the KPAK3AUX cable. If
anyone has already done this, and could provide guidance, I'd be very
appreciative.

Thanks and 73,
--Ian

Ian Kahn, KM4IK
Roswell, GA EM74ua

Edward A. Dauer

Using PR6-10 with KPAK3AUX

In reply to this post by Ian Kahn, KM4IK

I do it without the Y cable as well; but there is one drawback to having
the preamp ³always on² - when it¹s in the circuit on 40 and 80 it actually
degrades the K3¹s performance (or at least mine does). So, when switching
down to those bands I have to remember to toggle RX ANT off, then back on
going back to 10 or 15 (where the PR6-10 works very well.) I am not sure
of this, but I think the preamp can be set on a per-band basis using the
cabling and removing the jumper, but not on a per-band basis by using the
front panel RX ANT switch.

Ted, KN1CBR

>
>------------------------------
>
>Message: 6
>Date: Sun, 15 Mar 2015 11:26:30 +0100
>From: Oliver Dr?se <[hidden email]>
>To: [hidden email]
>Subject: Re: [Elecraft] Using PR6-10 with KPAK3AUX
>Message-ID: <[hidden email]>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>Save the money, Ian! Configure it as always on (jumper) and just
>activate it thru the RX ANT button.
>
>Of course this is only an option if you do not want to use any RX
>antennas for other bands connected to the PR6-10 ...
>
>73, Olli - DH8BQA
>
>Contest, DX & radio projects: http://www.dh8bqa.de
>
>
>Am 15.03.2015 um 04:19 schrieb Ian - Ham:
>> Thanks, Joe. I'll contact Elecraft sales on Monday to get the price of
>>the
>> cable.
>>
>> 73 de,
>>
>> --Ian
>> Ian Kahn, KM4IK
>> Roswell, GA EM74ua
>> [hidden email]
>> Please join me in the Georgia QSO Party April 11-12, 2015. Info at
>> http://www.georgiaqsoparty.org.
>> 10-10 #74624, North Georgia Chapter #2038

wb6rse1

Re: Using PR6-10 with KPAK3AUX

In reply to this post by Elecraft mailing list

The PR6 staying on and inhibiting the use of a separate pass through RX antenna has come up several times. The solution is to use a DB15 M/F gender changer and twist off pin 11. Or if your don’t care about the future use of pin 11 in the cable in the ACC line to the KPA500, twist off pin 11 on the cable.

http://elecraft.365791.n2.nabble.com/KPA500-PR6-AUX-Cable-Pin-11-td7558085.html

73 - Steve WB6RSE
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Oliver Dröse

Re: Using PR6-10 with KPAK3AUX

In reply to this post by Edward A. Dauer

Ted,

the K3 remembers the state of RX ANT per band! So there's no need to
manually switch it on and off all the time you change bands! My 6 m
pre-amp is on all the time but the RX ANT state of the K3 is only put in
on 6 m, not the other bands. This has nothing to do with the cabling.
The cabling only takes care that the PR6(-10) internal relays are
switched thru to allow an external RX antenna being used on other bands.
So once again: if you do not use RX antennas (i.e. on the low bands)
there's no need for the cabling from AUX to the PR6(-10) at all. Just
switch it in on 6 m and be done. ;-)

73, Olli - DH8BQA

Contest, DX & radio projects: http://www.dh8bqa.de

Am 15.03.2015 um 20:44 schrieb Dauer, Edward:

> I do it without the Y cable as well; but there is one drawback to having
> the preamp ³always on² - when it¹s in the circuit on 40 and 80 it actually
> degrades the K3¹s performance (or at least mine does). So, when switching
> down to those bands I have to remember to toggle RX ANT off, then back on
> going back to 10 or 15 (where the PR6-10 works very well.) I am not sure
> of this, but I think the preamp can be set on a per-band basis using the
> cabling and removing the jumper, but not on a per-band basis by using the
> front panel RX ANT switch.
>
> Ted, KN1CBR
>
>
>> ------------------------------
>>
>> Message: 6
>> Date: Sun, 15 Mar 2015 11:26:30 +0100
>> From: Oliver Dr?se <[hidden email]>
>> To: [hidden email]
>> Subject: Re: [Elecraft] Using PR6-10 with KPAK3AUX
>> Message-ID: <[hidden email]>
>> Content-Type: text/plain; charset=windows-1252; format=flowed
>>
>> Save the money, Ian! Configure it as always on (jumper) and just
>> activate it thru the RX ANT button.
>>
>> Of course this is only an option if you do not want to use any RX
>> antennas for other bands connected to the PR6-10 ...
>>
>> 73, Olli - DH8BQA
>>
>> Contest, DX & radio projects: http://www.dh8bqa.de
>>
>>
>> Am 15.03.2015 um 04:19 schrieb Ian - Ham:
>>> Thanks, Joe. I'll contact Elecraft sales on Monday to get the price of
>>> the
>>> cable.
>>>
>>> 73 de,
>>>
>>> --Ian
>>> Ian Kahn, KM4IK
>>> Roswell, GA EM74ua
>>> [hidden email]
>>> Please join me in the Georgia QSO Party April 11-12, 2015. Info at
>>> http://www.georgiaqsoparty.org.
>>> 10-10 #74624, North Georgia Chapter #2038
> ______________________________________________________________
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>
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>