Hyperbolic navigation

class of obsolete radio navigation systems

en-GB/haɪpɜːbɒlɪk ˌnævɪˈɡeɪʃn/
en-US/ˌhaɪpɚˈbɑlɪk ˌnævəˈɡeɪʃən/

分类：

geopositioning