Radio frequency (RF) connectors and electronics housings and packages employing one or more inventive RF connector(s) provided herein utilize a ground spring to achieve improved conductivity of the ground signal by making a plurality of contacts with a ferrule member of the RF connector's hermetic feedthru and a plurality of contacts with the electronics housing or package at points adjacent to an air dielectric. Ground springs used in connection with the present RF connectors maintain predetermined spring properties under compression and/or extreme environmental conditions, including thermal fluctuations, and therefore may be suitably employed in aircraft and spacecraft.


> Establishment of a connection between a base station and a mobile station using random access channels

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