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UBX Class AID
This class is used to support AGPS function or send aiding data, such as time, position,
almanac, and ephemeris, to the GPS receiver.
AID – REQ (0x0B 0x00)
It’s a virtual request to poll all GPS aiding data (AID-DATA). The character of
AID-REQ is determined by CFG-MSG. If AID-REQ is set as the output message and
the internal stored data (i.e. time, position, almanac, and ephemeris) don’t allow the
receiver to execute a hot start, the receiver will request to poll all the aiding data after
startup.
Header ID Data Length Data Checksum
0xB5 0x62 0x0B 0x00 0 None CK_A CK_B