Unrepeated HCF Transmission over spans up to 301.7 km. - A. Ali; Y. Hong; M. Kamalian-Kopae; S. Bakhtiari Gorajoobi; Simon Bawn; B. Gholizadeh; J. Hooley; Marcelo Alonso; B. Guan; Y. Yin; M. Tuggle; E. Numkam Fokoua; et al. (OFC, 2025)