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James A. Van Allen journal, October 1955-March 1958
Page 97
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L. Cahill. -- working up the design of a proton-precession magnetometer for I.G.Y. flights all over the world - especially in auroral zone and in equatorial zone. Attempting to reduce the rocket-borne system to 3-inch diameter and 7 lbs. for use in Loki Phase II balloon launched. Robert Johnson -- working with Cahill in learning the proton magnetometer game and in building a recording ground station and a [low high?] magnetometer for Antarctic expedition. C. C. Ray -- completing Ph.D. dissertation on the effect of a ring current on cosmic ray arrival [at?] earth. -- including a set of trajectories
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L. Cahill. -- working up the design of a proton-precession magnetometer for I.G.Y. flights all over the world - especially in auroral zone and in equatorial zone. Attempting to reduce the rocket-borne system to 3-inch diameter and 7 lbs. for use in Loki Phase II balloon launched. Robert Johnson -- working with Cahill in learning the proton magnetometer game and in building a recording ground station and a [low high?] magnetometer for Antarctic expedition. C. C. Ray -- completing Ph.D. dissertation on the effect of a ring current on cosmic ray arrival [at?] earth. -- including a set of trajectories
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