User's Manual

Table 3.5 GPS Data Packet – Ethernet Header

Ethernet Header: 42 bytes

Ethernet II MAC 12 bytes Destination: broadcast (0xFF: 0xFF: 0xFF: 0xFF: 0xFF: 0xFF)

Source: (xx:xx:xx:xx:xx:xx)

Ethernet Data Packet Type 2 bytes 0x08, 0x00

Internet Protocol 20 bytes Shown in the figure below

UDP Port Number 4 bytes UDP source port (0x2710, represents 10000)

Destination port (0x277E, represents 10110)

UDP Length 2 bytes 0x208, representing 520 bytes (8 bytes more than the size of the GPS UDP Data, shown in Figure 3.1)

UDP Checksum 2 bytes -

Figure 3.3 GPS Ethernet Header – Internet Protocol