Retrieving "Choke Ring Antennas" from the archives

Cross-reference notes under review

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1. Satellite Navigation

   Linked via "choke ring antennas"

   Multipath Error
   Multipath occurs when the signal reaches the receiver antenna via one or more secondary paths (reflections off buildings, terrain, or water bodies) in addition to the direct line-of-sight path. Multipath artificially increases the measured pseudorange. Mitigation often involves antenna design, such as choke ring antennas which utilize constructive and destructive interference patterns to suppress signals arriving at shallow…