A method of synchronizing a plurality of frequency locked clocks within a system having a plurality of base stations (102.1, 102.2, 102.N), wherein each base station (102.1, 102.2, 102.N) includes a respective stationary frequency locked clock, the method comprising: transmitting a train of pulses from a satellite-based or aerial fast moving emitter to each of the base stations (102.1, 102.2, 102.N) by line of sight communication with the emitter, the train of pulses being periodic and having a period such that the base stations (102.1, 102.2, 102.N) receive each pulse within a single period, the frequency locked clocks having frequencies determined by a common atomic transition; receiving the pulses at each base station (102.1, 102.2, 102.N); recording a time of arrival for each pulse received by each base station (102.1, 102.2, 102.N); communicating the recorded times of arrival to a processor; and synchronizing the clocks as a function of the recorded times of arrival received from each base station (102.1, 102.2, 102.N) by determining, at the processor, a synchronization offset for each base station (102.1, 102.2, 102.N), wherein: the plurality of base stations (102.1, 102.2, 102.N) includes at least N base stations (102.1, 102.2, 102.N) where N is an integer greater than 1; transmitting pulses includes transmitting k pulses where k is an integer greater than 1; and determining a synchronization offset for each base station (102.1, 102.2, 102.N) includes calculating the synchronization offset as a function of: the time of arrival for each pulse at each base station (102.1, 102.2, 102.N), the position of the emitter when transmitting each pulse, and a position of each base station (102.1, 102.2, 102.N) when it receives the pulse. transmitting a train of pulses from a satellite-based or aerial fast moving emitter to each of the base stations (102.1, 102.2, 102.N) by line of sight communication with the emitter, the train of pulses being periodic and having a period such that the base stations (102.1, 102.2, 102.N) receive each pulse within a single period, the frequency locked clocks having frequencies determined by a common atomic transition; receiving the pulses at each base station (102.1, 102.2, 102.N); recording a time of arrival for each pulse received by each base station (102.1, 102.2, 102.N); communicating the recorded times of arrival to a processor; and synchronizing the clocks as a function of the recorded times of arrival received from each base station (102.1, 102.2, 102.N) by determining, at the processor, a synchronization offset for each base station (102.1, 102.2, 102.N), wherein: the plurality of base stations (102.1, 102.2, 102.N) includes at least N base stations (102.1, 102.2, 102.N) where N is an integer greater than 1; transmitting pulses includes transmitting k pulses where k is an integer greater than 1; and determining a synchronization offset for each base station (102.1, 102.2, 102.N) includes calculating the synchronization offset as a function of: the time of arrival for each pulse at each base station (102.1, 102.2, 102.N), the position of the emitter when transmitting each pulse, and a position of each base station (102.1, 102.2, 102.N) when it receives the pulse. the plurality of base stations (102.1, 102.2, 102.N) includes at least N base stations (102.1, 102.2, 102.N) where N is an integer greater than 1; transmitting pulses includes transmitting k pulses where k is an integer greater than 1; and determining a synchronization offset for each base station (102.1, 102.2, 102.N) includes calculating the synchronization offset as a function of: the time of arrival for each pulse at each base station (102.1, 102.2, 102.N), the position of the emitter when transmitting each pulse, and a position of each base station (102.1, 102.2, 102.N) when it receives the pulse. the time of arrival for each pulse at each base station (102.1, 102.2, 102.N), the position of the emitter when transmitting each pulse, and a position of each base station (102.1, 102.2, 102.N) when it receives the pulse.