The original „donut“ loop antenna did not work seemingly due to a design issue. A scalpel, two tiny wires, and four solder joints rescued it.

Abstract: While the theory of operation and the procedure for measurement are similar for all loop antennas, the electrical and mechanical design of aircraft loop antennas differs considerably from ...

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Abstract: Characteristics of Supermendur, a new vanadium-iron-cobalt alloy with exceptional magnetic properties, are discussed. Advantages include low coercive force, low hysteresis loss, high ...