@article{Schroeder:2023uc, author = "Schroeder, Frank and Coleman, Alan and Eser, Johannes and Mayotte, Eric William and Sarazin, Fred and Soldin, Dennis and Venters, Tonia and Aloisio, R. and Alvarez-Muñiz, J. and Alves Batista, R. and Bergman, D. and Bertaina, M. and Caccianiga, L. and Deligny, O. and Dembinski, H. P. and Denton, P. B. and di Matteo, A. and Globus, Noémie and Glombitza, J. and Golup, G. and Haungs, A. and Hörandel, Jörg R. and Jaffe, T. R. and Kelley, J. L. and Krizmanic, J. and Lu, L. and Matthews, J. N. and Mariş, I. and Mussa, R. and Oikonomou, F. and Pierog, T. and Santos, E. M. and Tinyakov, P. and Tsunesada, Y. and Unger, M. and Yushkov, A. N. and Albrow, M. G. and Anchordoqui, L. and Andeen, K. and Arnone, E. and Barghini, D. and Bechtol, E. and Bellido, J. A. and Casolino, M. and Castellina, A. and Cazon, L. and Conceição, R. and Cremonini, R. and Dujmovic, H. and Engel, R. and Farrar, G. and Fenu, F. and Ferrarese, S. and Fujii, T. and Gardiol, D. and Gritsevich, M. and Homola, P. and Huege, Tim and Kampert, K.-H. and Kang, D. and Kido, E. and Klimov, P. and Kotera, K. and Kozelov, B. and Leszczyńska, A. and Madsen, J. and Marcelli, Laura and Marisaldi, M. and Martineau-Huynh, O. and Mayotte, S. and Mulrey, K. and Murase, K. and Muzio, Marco Stein and Ogio, S. and Olinto, A. and Onel, Y. and Paul, T. and Piotrowski, L. W. and Plum, M. and Pont, B. and Reininghaus, M. and Riedel, B. and Riehn, F. and Roth, M. and Sako, T. K. and Schlüter, F. and Shoemaker, D. H. and Sidhu, J. and Sidelnik, I. and Timmermans, C. and Tkachenko, O. and Veberič, D. and Verpoest, S. and Verzi, V. and Vicha, J. and Winn, D. and Zas, E. and Zotov, M.", title = "{Snowmass UHECR Whitepaper: Requirements on Future Instrumentation}", doi = "10.22323/1.444.0206", journal = "PoS", year = 2023, volume = "ICRC2023", pages = "206" }