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624	624	[[image:image-20230329201624-11.png]]
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	626	+
	627	+
626	626	= 6. Add GPS support in PG1302 =
627	627
	630	+The PG1302 supports GPS:
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	632	+[[image:image-20240118160132-1.png||height="270" width="338"]]
	633	+
	634	+
	635	+* **The users can find the GPS device in Raspberry: /dev/ttyS0 or /dev/ttyAMA0**
	636	+
	637	+ [[image:image-20240118160407-2.png||height="71" width="458"]]
	638	+
	639	+
	640	+* **Check the GPS output: cat /dev/ttyS0**
	641	+
	642	+ [[image:image-20240118160454-3.png]]
	643	+
	644	+
	645	+* **Add the GPS to the Semtech UDP package forwarder configuration.**
	646	+
	647	+ [[image:image-20240118160928-4.png||height="426" width="464"]]
	648	+
	649	+
	650	+* **Test GPS function**
	651	+
	652	+**~ 1.) Stop IoT service: systemctl stop draginofwd**
	653	+
	654	+
	655	+**~ 2.) Run the fwd command and check the output**
	656	+
	657	+
	658	+ [[image:image-20240118161109-5.png]]
	659	+
	660	+
	661	+**~ 3.) Trouble Shooting:**
	662	+
	663	+ If you get many WARNING outputs, which should be the GPS location is invalid, you need to adjust the GPS location, it is recommended to put it outdoors
	664	+
	665	+
	666	+ [[image:image-20240118161333-6.png]]
	667	+
	668	+
	669	+ The user can check the PG1302 board GPS LED status to check the location,
	670	+
	671	+ GPS location is valid  ~-~--> GPS LED will light up
	672	+
	673	+ GPS location is invalid ~-~--> GPS LED will light down
	674	+
	675	+
	676	+ [[image:image-20240118162033-7.png]]
	677	+
	678	+
	679	+
629	629	= 7. Trouble Shooting =
630	630
631		-== 7.1 Failed to start the concentrator how to debug ==
	682	+(% class="wikigeneratedid" %)
	683	+7.1 Failed to start the concentrator how to debug
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633	633
634	634	--When the problem "failed to start the concentrator" occurs, the user needs to check whether the I2C and SPI are enabled,--