Patent ID: 6477163
Filing Date: 2002-11-05
Classification: H04B

Abstract:
A radio capable of receiving radio signals on an HF data link, the radio signals being communicated on at least a first channel, a second channel, and a third channel, the radio signals being communicated in accordance with a time division multiplexed protocol including a plurality of time slots, wherein a first squitter message is provided on the first channel in a first time slot of the time slots, wherein a second squitter message is provided on the second channel in a second time slot of the time slots, wherein a third squitter message is provided on the third channel in a third time slot of the time slots, the radio comprising a receiver means for receiving the radio signals and a control means for tuning the receiver means to at least the first channel, the second channel, and the third channel, wherein the control means causes the receiver means to receive the second squitter message while the radio is waiting to communicate information on the first channel in accordance with the time division multiplexed protocol, the control means monitoring the availability of the second channel in response to the second squitter message, whereby synchronization to alternate channels is achieved more quickly.