Despite being an avowed Anglophile since my first visit to the United Kingdom, somewhere around 50+ years ago, I just could not help myself. Professor David Last, Professor Emeritus at the University of Wales (Bangor) and former president of the Royal Institute of Navigation (RIN) was holding forth, with that wonderful, attention-arresting public school accent, on weighty PNT (position, navigation and timing) matters before an awestruck audience.