Tom Duckworth wrote: > Tom, > > Great list! Your number 8 (magnetic field) will effect both. We tried this > when I was with XL Microwave. The Rb's noticeable effect depends on how > strong the magnetic field in the physics package is compared to the external > magnetic field. In the Rb, the external field would need to be quite strong > to see much change in the short term. The magnetic effect, long term, would > be swamped by thermal stability issues. > > For the xtal, orienting the xtal 90°, 180°, upside down, etc. will have an > immediate noticeable effect that can bee seen on a scope (Earth's magnetic > field is responsible). This effect settles rapidly though. > > Tom > Tom Duckworth > 510-886-1396 > > How do you distinguish between the effect of the earths field and the orientation of the XO with respect to the local gravity vector?
Bruce _______________________________________________ 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.