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Electronic digital sextant for determining geographic coordinates of vessel such as board ship based on location of navigational luminaries, has alidade and counting drum rotation angle sensors that are connected to microcontroller through recording button installed between switching line 2024-08-06
Electronic digital module for navigational sextant for measuring angle between two visible objects, has microcontroller that is connected to alidade rotation angle sensors and counting drum through measurement data recording button and feedback switching lines 2024-08-06
Method of tuning antenna arrays of sw-range invention relates to short-wavelength range antenna equipment and is used to adjust active phased antenna arrays 2023-10-11
Electrical connector, has two mating parts 8211 plug and socket, comprising frame made of two parallel channels with holes for installing combination of blocks 2023-09-22