Investigation of the quartz clock of the universal field chronograph
The universal field chrono-regressor (UPC) for astronomical determinations was developed at the Lviv Polytechnic Institute on the basis of the software chrono-recorder PPK-75 [1].
The universal field chrono-regressor (UPC) for astronomical determinations was developed at the Lviv Polytechnic Institute on the basis of the software chrono-recorder PPK-75 [1].