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## The Analysis of the Variations in Water Vapor Radiometer Parameters

Transactions of IAA RAS, issue 46, 108–116 (2018)

Keywords: water vapor radiometer (WVR), atmosphere brightness temperature, tropospheric delay, stability, water vapor content.

### Abstract

The stability of the main parameters of the water vapor radiometers (WVR) operating at “Quasar” network observatories for more than 3.5 years has been estimated. It is shown that the high-precision stabilization of the microwave compo-nents temperature regimes provides a way to preserve the metrological characteristics of the WVR with a significant (up to 10 %) change in the transmission coefficient of radiometric blocks over an operational interval. The calibration constant components average values remain constant if a temperature regime of the WVR components is stable. Based on the results of vertical atmospheric “cuts” (“tipcurve” calibrations), the seasonal dependence of the calibration signal on the integral water vapor content is measured.

### Citation

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V. Yu. Bykov, M. V. Dugin, G. N. Ilin. The Analysis of the Variations in Water Vapor Radiometer Parameters // Transactions of IAA RAS. — 2018. — Issue 46. — P. 108–116. @article{bykov2018, abstract = {The stability of the main parameters of the water vapor radiometers (WVR) operating at “Quasar” network observatories for more than 3.5 years has been estimated. It is shown that the high-precision stabilization of the microwave compo-nents temperature regimes provides a way to preserve the metrological characteristics of the WVR with a significant (up to 10 %) change in the transmission coefficient of radiometric blocks over an operational interval. The calibration constant components average values remain constant if a temperature regime of the WVR components is stable. Based on the results of vertical atmospheric “cuts” (“tipcurve” calibrations), the seasonal dependence of the calibration signal on the integral water vapor content is measured.}, author = {V.~Yu. Bykov and M.~V. Dugin and G.~N. Ilin}, doi = {10.32876/ApplAstron.46.108-116}, issue = {46}, journal = {Transactions of IAA RAS}, keyword = {water vapor radiometer (WVR), atmosphere brightness temperature, tropospheric delay, stability, water vapor content}, pages = {108--116}, title = {The Analysis of the Variations in Water Vapor Radiometer Parameters}, url = {http://iaaras.ru/en/library/paper/1882/}, year = {2018} } TY - JOUR TI - The Analysis of the Variations in Water Vapor Radiometer Parameters AU - Bykov, V. Yu. AU - Dugin, M. V. AU - Ilin, G. N. PY - 2018 T2 - Transactions of IAA RAS IS - 46 SP - 108 AB - The stability of the main parameters of the water vapor radiometers (WVR) operating at “Quasar” network observatories for more than 3.5 years has been estimated. It is shown that the high-precision stabilization of the microwave compo-nents temperature regimes provides a way to preserve the metrological characteristics of the WVR with a significant (up to 10 %) change in the transmission coefficient of radiometric blocks over an operational interval. The calibration constant components average values remain constant if a temperature regime of the WVR components is stable. Based on the results of vertical atmospheric “cuts” (“tipcurve” calibrations), the seasonal dependence of the calibration signal on the integral water vapor content is measured. DO - 10.32876/ApplAstron.46.108-116 UR - http://iaaras.ru/en/library/paper/1882/ ER -