[MCARC] LotW

[Ken Kopp - AKØA]

Yes, I do.

On Friday, February 6th, 2026 at 8:36 AM, Dave Crawford <k0ksi at bluevalley.net> wrote:

> Can you use the same certificate on two different computers?
>
> 73.
> Dave
> KØKSI
>
>> On Feb 6, 2026, at 8:12 AM, Ken Kopp - AKØA <ken at ak0a.net> wrote:
>>
>> Once you have everything all set up, click on "File," then "Backup Station Locations, Certificates and Preferences..." It will generate a tqslconfig.tbk file. Save it to a backup device. You can move/restore to any computer.
>>
>> 73,
>> Ken
>> On Friday, February 6th, 2026 at 7:38 AM, Michael Philbrick <philbrick52 at gmail.com> wrote:
>>
>>> Nope, it hadn't expired. It was set to expire next month.
>>>
>>> On Thu, Feb 5, 2026 at 10:41 AM David Crawford <dcrawford2020 at gmail.com> wrote:
>>>
>>>> Mike,
>>>>
>>>> A certificate is “tied” to a specific computer. Your old one probably expired.
>>>>
>>>> Dave
>>>>
>>>> Sent from my iPhone
>>>>
>>>>> On Feb 5, 2026, at 10:28 AM, Michael Philbrick <philbrick52 at gmail.com> wrote:
>>>>
>>>>> 
>>>>> Good morning fellow hams,
>>>>>
>>>>> Information only for those with a Logbook of the World account with ARRL. The story is I had setup a LotW account with ARRL. At some point in time, I replaced a computer with a newer model of an old computer. I have never really been interested too much in special things that a ham can investigate and/or participate in, but the Worked All States (WAS) for the 250th did get my attention. That ham activity requires using LotW. So, I began trying to setup that app on my present ham computer. I have my original postcard from ARRL and I found my 3+ years old email with my trusted certificate file. I could eventually login and see my QSO/QSL history, my certificate number, and my certificate dates. However, many features are grayed out. I cannot upload my tq6 special file and the reason popup states it is because "this is not the computer you requested your certificate". I suppose it is a MAC addressing issue. That's the only way that makes any sense to me that ARRL could be filtering access. There are several YouTubes on setting up your LotW account. I didn't find one on what happens if your computer crashed or if you upgraded to a different computer. Yes, a little perturbed, but now awaiting an email with new certificate.
>>>>> --
>>>>>
>>>>> Michael PhilbrickOdd Job Technician
>>>>> Retired Guys LLC (fictional)Cousin to my genealogy relatives
>>>>> NØUDF to hams
>>>>> Retired science/CTE educator
>>>>> Seneca, KS
>>>>> mdp.seneca at gmail.com
>>>>> https://www.facebook.com/michael.philbrick/
>>>>> 785-294-2719
>>>>>
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>>> --
>>>
>>> Michael PhilbrickOdd Job Technician
>>> Retired Guys LLC (fictional)Cousin to my genealogy relatives
>>> NØUDF to hams
>>> Retired science/CTE educator
>>> Seneca, KS
>>> mdp.seneca at gmail.com
>>> https://www.facebook.com/michael.philbrick/
>>> 785-294-2719
>>
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