Similar to the role a compass plays in map reading, one of the. Verkkothis publication contains recommendations on harmonized aids for navigation systems on the greater mekong river. Verkkosince 2004, however, japan has focused its aid efforts on the lower mekong precisely at the time china was emerging as a trade and aid rival in the. Verkkoa navigational aid (navaid), also known as aid to navigation (aton), is any sort of signal, markers or guidance equipment which aids the traveler in navigation, usually. Verkkothe mrc’s work in navigation derives from the mekong agreement’s article 9 on freedom of navigation. Specifically, the mrc supports countries through: Verkkoour results suggest that the hippocampal place learning system is involved when navigators incorporate compass direction into an existing representation of the. Verkkothe obligations of coastal states to provide marine aids to navigation are included in international conventions. The safety of life at sea convention chapter v,.