发明授权
US6011510A GPS based search and rescue transceiver 失效
基于GPS的搜索和救援收发器

GPS based search and rescue transceiver
摘要:
A survival radio of the type useable in search and rescue operations and carried by the party to be rescued is described. The survival radio includes a GPS receiver, a transceiver and a microcontroller. The microcontroller responds to interrogation messages containing a predetermined identification code for the survival radio to cause a transceiver to transmit a geographic location of the survival radio as derived from GPS signals.
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