Appl. Sci. 2023, 13, 1872 
17 of 17 
26. Grundhöfer, L.; Gewies, S.; Hehenkamp, N.; Del Galdo, G. Redesigned Waveforms in the Maritime Medium Frequency Bands. In 
Proceedings of the 2020 IEEE/ION Position, Location and Navigation Symposium (PLANS), Portland, OR, USA, 20-23 April 
2020; pp. 827-831. [CrossRef] 
Grundhöfer, L.; Gewies, S. Equivalent Circuit for Phase Delay in a Medium Frequency Antenna. In Proceedings of the 2020 
European Navigation Conference (ENC), Dresden, Germany, 23-24 November 2020; pp. 1. . 
9317493. [CrossRef] 
Hemisphere. Atlas GNSS Global Correction Service. Available online: https:/ /www.hemispheregnss.com /product/atlas-gnss- 
global-correction-service/ (accessed on 22 January 2023). 
29. IALA. Recommendation R-129 GNSS Vulnerability and Mitigation Measures, 3.1 ed.; IALA: St Germain en Laye, France, 2012. 
28. 
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual 
author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to 
people or property resulting from any ideas, methods, instructions or products referred to in the content.