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Tirpitz, J.L. (author), Frieß, U. (author), Hendrick, F. (author), Alberti, C. (author), Allaart, M. (author), Apituley, A. (author), Bais, A. (author), Beirle, S. (author), Berkhout, S. (author), Bognar, K. (author), Bösch, T. (author), Bruchkouski, I. (author), Cede, A. (author), Chan, K.L. (author), den Hoed, M. (author), Donner, S. (author), Drosoglou, T. (author), Fayt, C. (author), Friedrich, M.M. (author), Frumau, A. (author), Gast, L. (author), Gielen, C. (author), Gomez-Martín, L. (author), Hao, N. (author), Hensen, A. (author), Henzing, B. (author), Hermans, C. (author), Jin, J. (author), Kreher, K. (author), Kuhn, J. (author), Lampel, J. (author), Li, A. (author), Liu, C. (author), Liu, H. (author), Ma, J. (author), Merlaud, A. (author), Peters, E. (author), Pinardi, G. (author), Piters, A. (author), Platt, U. (author), Puentedura, O. (author), Richter, A. (author), Schmitt, S. (author), Spinei, E. (author), stein Zweers, D. (author), Strong, K. (author), Swart, D. (author), Tack, F. (author), Tiefengraber, M. (author), van der Hoff, R. (author), van Roozendael, M. (author), Vlemmix, T. (author), Vonk, J. (author), Wagner, T. (author), Wang, Y. (author), Wang, Z. (author), Wenig, M. (author), Wiegner, M. (author), Wittrock, F. (author), Xie, P. (author), Xing, C. (author), Xu, J. (author), Yela, M. (author), Zhang, C. (author), Zhao, X. (author)The second Cabauw Intercomparison of Nitrogen Dioxide measuring Instruments (CINDI-2) took place in Cabauw (the Netherlands) in September 2016 with the aim of assessing the consistency of multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of tropospheric species (NO2, HCHO, O3, HONO, CHOCHO and O4). This was achieved...article 2021
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Huang, J. (author), Cao, Z. (author), Zhao, X. (author), Zhang, X. (author), Liu, Y. (author), Xiang, Y. (author), Gerini, G. (author), Koonen, A.M.J. (author)In this article, a novel electrically controlled optical broadband phase shifter (ECO-BPS) is proposed and experimentally investigated for broadband microwave orbital angular momentum (OAM) mode generation. Based on the proposed ECO-BPS and a 17-element circular antenna array, the effect of the phase error on the OAM mode quality is studied by...article 2020
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Kreher, K. (author), van Roozendael, M. (author), Hendrick, F. (author), Apituley, A. (author), Dimitropoulou, E. (author), Friess, U. (author), Richter, A. (author), Wagner, T. (author), Lampel, J. (author), Abuhassan, N. (author), Ang, L. (author), Anguas, M. (author), Bais, A. (author), Benavent, N. (author), Bosch, T. (author), Bognar, K. (author), Borovski, A. (author), Bruchkouski, I. (author), Cede, A. (author), lok Chan, K. (author), Donner, S. (author), Drosoglou, T. (author), Fayt, C. (author), Finkenzeller, H. (author), Garcia-Nieto, D. (author), Gielen, C. (author), Gómez-Martín, L. (author), Hao, N. (author), Henzing, B. (author), Herman, J. (author), Hermans, C. (author), Hoque, S. (author), Irie, H. (author), Jin, J. (author), Johnston, P. (author), khayyam Butt, J. (author), Khokhar, F. (author), Koenig, T. (author), Kuhn, J. (author), Kumar, V. (author), Liu, C. (author), Ma, J. (author), Merlaud, A. (author), Mishra, A. (author), Müller, M. (author), Navarro-Comas, M. (author), Ostendorf, M. (author), Pazmino, A. (author), Peters, E. (author), Pinardi, G. (author), Pinharanda, M. (author), Piters, A. (author), Platt, U. (author), Postylyakov, O. (author), Prados-Roman, C. (author), Puentedura, O. (author), Querel, R. (author), Saiz-Lopez, A. (author), Schonhardt, A. (author), Schreier, S. (author), Sinha, V. (author), Spinei, E. (author), Strong, K. (author), Tack, F. (author), Tian, X. (author), Tiefengraber, M. (author), van Gent, J. (author), Volkamer, R. (author), Vrekoussis, M. (author), Wang, S. (author), Wang, Z. (author), Wenig, M. (author), Wittrock, F. (author), Xie, P. (author), Xu, J. (author), Yela, M. (author), Zhang, C. (author), Zhao, X. (author)In September 2016, 36 spectrometers from 24 institutes measured a number of key atmospheric pollutants for a period of 17 d during the Second Cabauw Intercomparison campaign for Nitrogen Dioxide measuring Instruments (CINDI-2) that took place at Cabauw, the Netherlands (51.97-N, 4.93-E). We report on the outcome of the formal semi-blind...article 2020