> So what's all this about a Thallium Beam Tube??? For info about the pro/con of Thallium beam frequency standards, see:
http://tf.boulder.nist.gov/general/pdf/9.pdf http://tf.boulder.nist.gov/general/pdf/211.pdf http://leapsecond.com/history/1965-Metrologia-v1-n3-Cesium.pdf Imagine 21310.833946 MHz instead of 9192.631770 MHz... /tvb _______________________________________________ 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.
