1. Guest Editorial. Author Rafael-Valdivia, Guillermo and Roblin, Patrick Subjects HOSPITALITY, MICROWAVES, CONFERENCES & conventions Abstract This Mini-Special Issue of this Transactions contains six expanded papers from the 2018 IEEE MTT-S Latin America Microwave Conference (LAMC-2018), which was held in Arequipa, Peru, December 12–14, 2018. [ABSTRACT FROM AUTHOR] Published 2019 Full Text View/download PDF