[time-nuts] FE-5680A software calibration units ?

ewkehren ewkehren at aol.com
Mon Sep 21 14:43:07 UTC 2015


Depends on who you got it from




Sent from Samsung tabletNick Sayer via time-nuts <time-nuts at febo.com> wrote:When I got it, the setting was zero. That suggests to me that the factory tuning was erased, assuming that the factory tunes it the same way - by changing the value adjusted by that software.

> On Sep 21, 2015, at 4:34 AM, Bob Camp <kb8tq at n1k.org> wrote:
> 
> Hi
> 
> Assuming it shows locked, that would suggest that (for what ever reason) 
> it’s been re-tuned at some point after it left the factory.
> 
> Bob
> 
>> On Sep 20, 2015, at 9:06 PM, Nick Sayer via time-nuts <time-nuts at febo.com> wrote:
>> 
>> 
>>> On Sep 19, 2015, at 4:20 PM, Nick Sayer via time-nuts <time-nuts at febo.com> wrote:
>>> […]
>>> I’ve tested it against GPS and as it came, it had about a 0.5 ppm error.
>> 
>> Oops. That was supposed to be 0.5 ppb - 500 ppt.
>> 
>> 
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