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2M internal Xverter now 3.5 kc lower

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RANDY DIDDEL

2M internal Xverter now 3.5 kc lower

Hi group,

I have submitted to support requests in the last week to Elecraft directly with no response so I will try here:

This summer, I recently bought the K144XV and the Reference lock board for it. The past two mornings I have experienced a drop in RX frequency by 3.5kc. I check into a Net on 144.200. I checked in and after about 20 minutes the net disappeared! I could hear it down a little and tuned to 144.196.50 and picked it back up again. I asked the net control if it had moved and they were all claiming to still be on 144.200! The XVerter is less than 3 months old.

Any ideas?

73

K5RHD

/randy

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RANDY DIDDEL

Re: 2M internal Xverter now 3.5 kc lower

Hi Ben,

I bought the K3s used and I am really not sure which TXCO I have. It is a fairly loaded on so maybe-when I crack the case of the 10mHz RefLock module I ordered last week, I will verify what I have. I have the 10mHz reflect module on order as of last week but I have yet to hear anything about it shipping from Elecraft.

The radio has been on all night sitting at 144.965.50 and the net was right there this morning. I followed the instructions for installation of the XVerter and the ref-lock and for over a month, the setup was working fine. This just started Monday.

73

K5RHD

/randy

> On Sep 16, 2020, at 8:41 AM, w4sc <[hidden email]> wrote:
>
> Randy,
>
> I would be interested to know:
>
> Do you have the high stability 49.380 MHz reference oscillator installed?
> Do you have the 10 MHz RefLock option installed and enabled?
>
> I see you have the 144MHz RefLock installed. There is quite a procedure to install and enable this option.
>
> I suggest as a test, power your radio on at least an hour before net. Movement of 3.5 KHz is a lot.
>
> I currently have my K3S at Elecraft for updating and installation of the KXV144 2 meter option and the 144MHz reflock.
>
> 73 de Ben W4SC
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

RANDY DIDDEL

Re: 2M internal Xverter now 3.5 kc lower

In reply to this post by RANDY DIDDEL

Hi John,

I have two emails in to support, one for this issue and another for something else. Both have gone unanswered. I have also left voicemail for support as well.

I am guessing that they are way behind on orders (have an order in for the 10mHZ RefLock too) and support requests due to the lockdown.

Hopefully, it is an easy fix.

/randy

> On Sep 16, 2020, at 8:54 AM, John Stengrevics <[hidden email]> wrote:
>
> Hi Randy,
>
> I have a similar problem, but only 800Hz low.
>
> The solution was beyond my capabilities. So, I have ordered a K4 and will have it fixed by Elecraft before I sell my K3S.
>
> Unfortunately, I deleted the email from tech support. I would suggest you call Elecraft and try to be connected to tech support if you want to give it a try.
>
> 73,
>
> John
> WA1EAZ
>
>
>
>> On Sep 16, 2020, at 10:13 AM, Randy Diddel <[hidden email]> wrote:
>>
>> Hi group,
>>
>> I have submitted to support requests in the last week to Elecraft directly with no response so I will try here:
>>
>> This summer, I recently bought the K144XV and the Reference lock board for it. The past two mornings I have experienced a drop in RX frequency by 3.5kc. I check into a Net on 144.200. I checked in and after about 20 minutes the net disappeared! I could hear it down a little and tuned to 144.196.50 and picked it back up again. I asked the net control if it had moved and they were all claiming to still be on 144.200! The XVerter is less than 3 months old.
>>
>> Any ideas?
>>
>> 73
>>
>> K5RHD
>>
>> /randy
>>
>>
>> ______________________________________________________________
>> 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]
>

stengrevics

Re: 2M internal Xverter now 3.5 kc lower

In reply to this post by RANDY DIDDEL

I have the high stability reference oscillator and External RefLock. External oscillator in use and am 800 Hz low.

The directions I received from tech support required exposing a capacitor on the RefLock board and adjusting it. Beyond my capabilities.

73,

John
WA1EAZ

> On Sep 16, 2020, at 10:47 AM, Randy Diddel <[hidden email]> wrote:
>
> Hi Ben,
>
> I bought the K3s used and I am really not sure which TXCO I have. It is a fairly loaded on so maybe-when I crack the case of the 10mHz RefLock module I ordered last week, I will verify what I have. I have the 10mHz reflect module on order as of last week but I have yet to hear anything about it shipping from Elecraft.
>
> The radio has been on all night sitting at 144.965.50 and the net was right there this morning. I followed the instructions for installation of the XVerter and the ref-lock and for over a month, the setup was working fine. This just started Monday.
>
> 73
>
> K5RHD
>
> /randy
>
>
>
>> On Sep 16, 2020, at 8:41 AM, w4sc <[hidden email]> wrote:
>>
>> Randy,
>>
>> I would be interested to know:
>>
>> Do you have the high stability 49.380 MHz reference oscillator installed?
>> Do you have the 10 MHz RefLock option installed and enabled?
>>
>> I see you have the 144MHz RefLock installed. There is quite a procedure to install and enable this option.
>>
>> I suggest as a test, power your radio on at least an hour before net. Movement of 3.5 KHz is a lot.
>>
>> I currently have my K3S at Elecraft for updating and installation of the KXV144 2 meter option and the 144MHz reflock.
>>
>> 73 de Ben W4SC
>>
>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
>
> ______________________________________________________________
> 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]

Elecraft mailing list

Re: 2M internal Xverter now 3.5 kc lower

In reply to this post by RANDY DIDDEL

I have had the same problem - It depends where the crystal ends up frequency wise. Turn the tech menu on and go to the ref menu item and see what frequency is there. If the last 3 digits are well below 500, then the 2 meter offset will be very noticeable.

Keith from Elecraft had responded about the issue if you want to try and search on nabble.

The TXCO could be off or the synthesizer board in the K3s could be causing issues. They ended up replacing the TXCO in mine.

Hank
K4HYJ

----- Original Message -----
From: Randy Diddel ([hidden email])
Date: 09/16/20 11:25
To: John Stengrevics ([hidden email])
Cc: elecraft ([hidden email])
Subject: Re: [Elecraft] 2M internal Xverter now 3.5 kc lower

Hi John,

I have two emails in to support, one for this issue and another for something else. Both have gone unanswered. I have also left voicemail for support as well.

I am guessing that they are way behind on orders (have an order in for the 10mHZ RefLock too) and support requests due to the lockdown.

Hopefully, it is an easy fix.

/randy

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [hidden email]

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Please help support this email list: http://www.qsl.net/donate.html
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