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. 2020 Apr 2;10:5816. doi: 10.1038/s41598-020-62692-7

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Analytic performance of PTFE-MGTI cohort. The dashed line indicates the target group delay, the opposite of atmospheric group delay at $ρ_{wv} = 10.37$ g/m $^{3}$ for a 4 km propagation range. The dotted lines show how varying the atmospheric water vapor density for the 4 km link affects the target group delay. The increasing vapor densities given on the plot correspond to 40%, 60%, 80%, and 100% relative humidity at 20 $^{\circ}$ C respectively. The thick black curve indicates the overall power efficiency. Plots show overall effects of four reflections from each MGTI of the cohort.