Resilient PNT
R-Mode (MF)
R&RNAV has been developing the GLA trial provision of R-Mode signal via marine beacon 300 kHz. Technical review of MF R-mode identifying the pros and cons for using the system independently and as part of a SOP solution. Consider use of the current hardware and/or changes to the signal structure in the future should Marine Beacon DGPS no longer be required. Consider the stability of Skywave propagation delays.