[time-nuts] Lars GPSDO

[ew]

It is an Adret multiplier like the Tracor 527 but in stead of meters has LED's we use both can read the LED's from 10 feet away but the meter of the Tracor shows short changes, that is how I found out the tbolt problem.Bert
In a message dated 4/4/2019 5:00:25 PM Eastern Standard Time, paulswedb at gmail.com writes:

Bert
Have to say I like the construction method. Guessing you shifted it to the
middle picture.
Can you please tell me what the middle box with the -12 counter is?
Regards
Paul

On Thu, Apr 4, 2019 at 4:00 PM ew via time-nuts <time-nuts at lists.febo.com>
wrote:

> Recently Lars GPSDO came up on time nuts. I was working with Lars but we
> focused on other subjects. Never got around to test one. So when Jim Harman
> mentioned it I contacted him off list and offered to test his unit. He send
> me a picture of his unit. Oh boy but a promises is a promises. Encouraged
> him to stabilize it for shipping. Got it in the mail today. See attached
> picture. Had it up and running in 5 minutes. 5 minutes later 1 E -10. 10
> minutes later 3 E-11. After an hour up and down in the E-12 range like all
> the other ones.Will let it stabilize for 48 hours and do a 24 hour plot
> like we have done on all our other GPSDO's to better understand frequency
> over time do to ionosphere. Mainly do to the delay of ublox F9.Jim can go
> in detail about his work with Lars
>
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