Ooooh, way to big, complicated, expensive, fragile, and swoopty fancy pants for real world use...
The CG-3 type instruments and some of the the LaCoste & Romberg units also have ppb resolution and weigh around 12 kg. The Worden units weigh even less (and I bought mine for less than $100). The only problem with the Worden type devices is if you even think about jiggling it while the mechanism is unlocked you break the quartz fiber. -------------------------------- The current method is to drop an optical corner cube (retro-reflector) in a vacuum and using a laser measure the distance it moves (which requires a reasonably good source of time. http://www.ngs.noaa.gov/GRD/GRAVITY/ABSG.html _________________________________________________________________ Suspicious message? There’s an alert for that. http://windowslive.com/Explore/hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_broad2_122008 _______________________________________________ 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.
