CONTENTS

I. INSTRUMENTS AND METHODS OF MEASUREMENT (BY TYPE OF MEASUREMENT)
O.V. Denisenko, E.V. Eremin, A.V. Mazurkevich
On errors in determining coordinate increments based on the results of linear and angular measurements by geodetic instruments ……. pages 8–20
A.S. Baklanova, V.S. Krylov, V.R. Puzdrin, E.A. Romanova
А method for detecting metrological failures of measuring channels in automated information and measurement systems of commercial accounting …… pages 21–30

II. NAVIGATION INSTRUMENTS
V.F. Fateev, V.P. Lopatin, D.A. Artiushchev
Results of the experiment using a model of a bistatic radar system based on global navigation satellite systems signals from the bridge over the Oka river …… pages 31–40
A.V. Ksendzuk, V.F. Fateev, V.P. Lopatin
Issues in global navigation satellite systems signal processing on small satellites for bistatic sensing of water surface …… pages 41–50
D.I. Pogulyaev, V.P. Lopatin
Assessment of orbit determination error for a low-orbit satellite and gradients of the gravitational potential based on global navigation satellite system user equipment measurements …… pages 51–62

III. METHODS AND INSTRUMENTS FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT
E.V. Kalinina, S.V. Prokunin, Y.S. Zdraevskaya, V.I. Dobrovolskiy
Investigation of the metrological characteristics of a reference material of glucose solution in the neutral pH range …… pages 63–77
S.A. Dobrotin, O.N. Kosyreva, A.A. Popov
Estimation of uncertainty of the spectrophotometer calibration characteristic in quantitative chemical analysis tasks …… pages 78–94
S.A. Dobrotin, J.A. Latukhina
Estimation of uncertainty of the measurement result of mass concentration of total iron in drinking water …… pages 95–109
H.H. Asadov, N.Sh. Ebilova, Kh.S. Aliyeva
Optimization of passive atmospheric remote sensing systems based on the integral criterion of reproducibility and repeatability …… pages 110–117

IV. METROLOGY AND METROLOGICAL SUPPORT
M.M. Murzabekov, D.S. Bobrov, E.S. Konyakhina, V.F. Fateev, R.A. Davlatov
Gravitational measurements at the Caucasus Mountain Observatory of the SAI MSU and the possibility of using them to create a test site …… pages 118–128