[time-nuts] Regarding HP 5065A upgrade to 10811-oscillators

[cdelect at juno.com]

Hi,

The -60109 usually does have the very good short term stability at short
Tau but to actually use it you need to go open loop on the 5065A or
5061A/B.

In closed loop the instrument actually drives the stability and pretty
much any 10811 variant will work.

HP knew this and recommended going open loop to test stabilities at the
shorter Tau.

Cheers,

Corby