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RTK-1010 | GPS/GNSS 受信機チップおよびモジュールのメーカー | ロコシス
Comparative analysis of precise point positioning processing technique with GPS low-cost in different technologies with academic software - ScienceDirect
PDF) A precise, low-cost RTK GNSS system for UAV applications
A low-cost, mobile real-time kinematic geolocation service for engineering and research applications - ScienceDirect