Re: [time-nuts] 53230A weirdness

2017-11-24 Thread Ole Petter Ronningen
Although, as I read the paper again, it is possible that the frequency bias in the 10 second CONT-mode measurements could come from this effect. That particular series (and only that) was collected using TimeLab. I supplied them with a custom compiled driver that does not use repeated calls to

Re: [time-nuts] 53230A weirdness

2017-11-24 Thread Ole Petter Ronningen
Hi Magnus No, I believe this is a separate issue. The data for that paper was collected gap free, and was not affected by this particular issue. It may be related somehow - as presented in that paper, data collected in CONT mode shows a slope of tau^-1/2 on ADEV. Data collected gap free in

Re: [time-nuts] 53230A weirdness

2017-11-24 Thread Magnus Danielson
Ole, Is this part of the behavior that the Norwegian NMI was presenting at a poster session at EFTF 2016 in York? I remember they borrowed your 53230A for that work. Cheers, Magnus On 11/23/2017 09:05 PM, Ole Petter Ronningen wrote: Hi, all I've done some experiments on my 53230A, and

Re: [time-nuts] Next upgrade

2017-11-24 Thread Bert Kehren via time-nuts
A few comments I forgot. Most Rb's can use a clean up loop, we are experimenting with Wenzel's 600 second loop recently posted here. Exceptions are the HP 5065 the optical unit is the source of the performance, Corby experimented with different OCXO, performance remained the same. Loop time