'Decode datetime and lat long hexadecimal data received from gps tracker

I have to develop c#.net gps server application for UM02 gps trackers. Data received via UDP in hexadecimal format. But it I can’t decode datetime and lat/long values. Please give me help to decode it

GPS tracker type : UM02 manufacture : Uniguard Technology Limited

Here are some details from their protocal

Server receives Sample data:

34 00 08 00 01 09 00 00 00 00 00 00 1D 43 A2 9B E8 42 E6 25 20 42 4E 52 30 39 42 30 36 36 39 32 00 00 31 32 2D 30 33 2D 30 35 20 31 31 3A 34 37 3A 34 33 00

Decode it one by one

34 00 - packet length = 0x34 = 52byte

08 00 - command ID=0x 0008

01 - 1--GPS Fix 00--GPS do not fix

09 - Alarm

00 00 00 00 - speed = 0

00 00 1D 43 - direct

A2 9B E8 42 - Longitude

E6 25 20 42 - latitude

4E 52 30 39 42 30 36 36 39 32 00 00 - [NR09B06692]

31 32 2D 30 33 2D 30 35 20 31 31 3A 34 37 3A 34 33 00 - [12-03-05 11:47:43]

c++sharpgpslatitude-longitudedatetime-formathex


Solution 1:[1]

here 2D stands for '-' 20 for space 3A for ':' 3 is just added to every plain int.remove it.for ex.3132 2D means '12-' we get the plain. at least in this example it works like this.

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