About the stability of the altitude base benchmarks
The purpose of the study is to assess the stability of the height base benchmarks by comparing the approximate and strict methods of processing the results of repeated leveling cycles. The study involves the analysis of methods based on selecting the most stable benchmark, utilizing the principles of "relative" and "absolute" evaluation. The goal is also to identify the most efficient approach to the mathematical processing of leveling results within free geodetic networks, which pose a high risk of false identification of stable points.