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MS

Mark Sims

Thu, Nov 23, 2017 2:12 AM

The PRS-10 does have disciplining parameters that you can tweak. But the documentation is rather spotty on how to go about choosing good values.

Also, I doubt that putting a Rb in an OCXO Lucent box would work well. Rb loop parameters (like time constant) are rather different for the two classes of oscillator.

the disciplining loop seems to be a bit aggressive so that the poor oscillator

gets jerked around quite a bit by the GPS

The PRS-10 does have disciplining parameters that you can tweak. But the documentation is rather spotty on how to go about choosing good values. Also, I doubt that putting a Rb in an OCXO Lucent box would work well. Rb loop parameters (like time constant) are rather different for the two classes of oscillator. --------------- > the disciplining loop seems to be a bit aggressive so that the poor oscillator gets jerked around quite a bit by the GPS

JH

Jerry Hancock

Thu, Nov 23, 2017 4:06 AM

Based on all the input I think I am going to just save up my mad money for a Cesium and be done with it. (Doubt I’ll ever be “done with it”).

On Nov 22, 2017, at 6:12 PM, Mark Sims holrum@hotmail.com wrote:

The PRS-10 does have disciplining parameters that you can tweak. But the documentation is rather spotty on how to go about choosing good values.

Also, I doubt that putting a Rb in an OCXO Lucent box would work well. Rb loop parameters (like time constant) are rather different for the two classes of oscillator.

the disciplining loop seems to be a bit aggressive so that the poor oscillator

gets jerked around quite a bit by the GPS

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Based on all the input I think I am going to just save up my mad money for a Cesium and be done with it. (Doubt I’ll ever be “done with it”). > On Nov 22, 2017, at 6:12 PM, Mark Sims <holrum@hotmail.com> wrote: > > The PRS-10 does have disciplining parameters that you can tweak. But the documentation is rather spotty on how to go about choosing good values. > > Also, I doubt that putting a Rb in an OCXO Lucent box would work well. Rb loop parameters (like time constant) are rather different for the two classes of oscillator. > > --------------- > >> the disciplining loop seems to be a bit aggressive so that the poor oscillator > gets jerked around quite a bit by the GPS > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.

DW

Dana Whitlow

Thu, Nov 23, 2017 8:13 AM

I once did make a token attempt at tweaking the disciplining parameters in
that SRS-10, but seemed to be getting nowhere and gave up on the effort.

Dana

On Wed, Nov 22, 2017 at 8:12 PM, Mark Sims holrum@hotmail.com wrote:

The PRS-10 does have disciplining parameters that you can tweak. But the
documentation is rather spotty on how to go about choosing good values.

Also, I doubt that putting a Rb in an OCXO Lucent box would work well.
Rb loop parameters (like time constant) are rather different for the two
classes of oscillator.

the disciplining loop seems to be a bit aggressive so that the poor

oscillator
gets jerked around quite a bit by the GPS

time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/
mailman/listinfo/time-nuts
and follow the instructions there.

I once did make a token attempt at tweaking the disciplining parameters in that SRS-10, but seemed to be getting nowhere and gave up on the effort. Dana On Wed, Nov 22, 2017 at 8:12 PM, Mark Sims <holrum@hotmail.com> wrote: > The PRS-10 does have disciplining parameters that you can tweak. But the > documentation is rather spotty on how to go about choosing good values. > > Also, I doubt that putting a Rb in an OCXO Lucent box would work well. > Rb loop parameters (like time constant) are rather different for the two > classes of oscillator. > > --------------- > > > the disciplining loop seems to be a bit aggressive so that the poor > oscillator > gets jerked around quite a bit by the GPS > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. >

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