Re: [time-nuts] Manual: VARIAN R-20 Rubidium frequency, standard.

2020-12-07 Thread Chris Quayle
Hi, I scanned and uoploaded the R20 and 304D manuals to ko4bb a couple of years ago. Have a 304D which sort of works, but the meter was open circuit and had to replace with a similar sized edgwise meter, and an op amp to correct the range. Still have the original manual somewher, but the

Re: [time-nuts] Manual: VARIAN R-20 Rubidium frequency standard.

2020-12-06 Thread Bill Notfaded
The scans look good on the website. Thanks for the lead Tom. I still like collecting the original manuals for devices I have. You're right sometimes harder to find than the gear is! Bill On Sun, Dec 6, 2020, 6:10 AM Tom Van Baak wrote: > Nice find. Original manuals are sometimes harder to

Re: [time-nuts] Manual: VARIAN R-20 Rubidium frequency standard.

2020-12-06 Thread Bill Notfaded
Ulf- I have the R-20 unit and no manual. I'd be very interested in it or scans of it please! Best Regards, Bill On Sun, Dec 6, 2020, 5:59 AM Ulf Kylenfall via time-nuts < time-nuts@lists.febo.com> wrote: > > Gentlemen. > I have salvaged a manual for a Varian R-20 Rubidium Frequency Standard.

Re: [time-nuts] Manual: VARIAN R-20 Rubidium frequency standard.

2020-12-06 Thread Tom Van Baak
Nice find. Original manuals are sometimes harder to find than original equipment. In the case of the Varian R20 there is a clean copy on fellow time-nut Didier's website: http://www.ko4bb.com/manuals Search for Varian or R20. The 128 page file is:

[time-nuts] Manual: VARIAN R-20 Rubidium frequency standard.

2020-12-06 Thread Ulf Kylenfall via time-nuts
Gentlemen.  I have salvaged a manual for a Varian R-20 Rubidium Frequency Standard.   It was left when my employer borrowed such a unit when performing the first cross-atlantic VLBI Experiments some time in the late 70's. The unit must have been returned to its owner but they forgot to