98

Jan. 30, 1950
Bi209 (7010-7000KC)
Time Distance bet Markers Marker Resonance distance Resonance frequency
4 min 13.0 mm #1 8.0 mm 7004.0KC
20 13.0 " 8.5 7003.6
30 13.0 " 8.5 7003.6
42 13.0" 8.5 7003.6
v(Bi209)=7003.6KC
D2(6700->6690KC)
Time Distance bet Markers Markers Resonance Distance Resonance Frequency
15 min 12.5 mm #1 11.5 mm 6690.9KC
26 12.5 " 12.0 6690.5
36 12.5 " 12.0 6690.5
50 12.0 " 11.5 6690.5
v(D2)=6690.5 KC
v(Bi209)/v(D2)=7003.6/6690.5=1.04680(1+-2x10-5)
u(Bi29)=9/2x0.857632x1.04680=4.03996