[time-nuts] Time-Nutters-- Adding Rubidium to a Thunderbolt...?

[Magnus Danielson]

Hi,

On 2020-03-03 09:48, Matthias Welwarsky wrote:
> On Dienstag, 3. März 2020 09:25:13 CET Dana Whitlow wrote:
>> Matthias,
>>
>> You said that the LPRO has a pulling range of 4 PPM.  Really?  I
>> would think that 4PPB would be much more likely for a Rb.
> Yes, sorry, typing mistake. The user guide says "more then +/- 1.5E-9", I 
> found it more in the range +/- 2E-9". It's 4ppb, not 4ppm.

Not to be a nit-pick... but often we say 2 ppb when it's +/- 2 ppb and 4
ppb range to indicate the range.

At least that is how I perceived the short-hand terms being used by most.

Cheers,
Magnus