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1	1	It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
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2	2
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3	3	Below are the steps:
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4	4
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5	5	Open the box and connect GPS antenna to GNSS port of EC25
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6	6
7	7	[[image:https://wiki.dragino.com/images/thumb/1/19/LG308_GPS_1.png/600px-LG308_GPS_1.png||height="359" width="600"]]
8	8
9	9	Connect GPS antenna
10	10
11		-
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12	12	modify the two files:
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13	13
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14	14	/etc/chatscripts/3g.chat
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15	15
16	16	(% class="box" %)
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30	30	CONNECT ' '
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32	32
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33	33	(% style="color:red" %)Note: After above settings, the GPS will be enable when dial up, if user doesn't use Cellular for Internet access, above script won't execute, in this case, user can run "echo AT+QGPS=1 > /dev/ttyUSB2" to enable GPS
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34	34
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35	35	/usr/bin/generate-config.sh, after configure this, in the web page, select any frequency band and save to make this take affect.
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36	36
37	37	(% class="box" %)
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39	39	gen_gw_cfg() {
40	40	json_init
41	41	json_add_object gateway_conf
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46	46	json_add_int "stat_interval" "$stat"
47	47	json_add_boolean "forward_crc_valid" 1
48	48	json_add_boolean "forward_crc_error" 0
49		- (% style="color:red" %)~json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25
50		- json_close_object
	63	+ (% style="color:red" %)json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25(%%)
	64	+(% style="color:black" %) json_close_object
51	51	json_dump  > /etc/lora/local_conf.json
52	52	}
53	53	)))
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54	54
55		-
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56	56	Reboot the device and run logread -f to verify if GPS already works.
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57	57
58	58	(% class="box" %)
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65	65	Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ FPort Filter: 0
66	66	Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ DevAddrMask: 0x0
67	67	Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: INFO: [jit] queue is empty
68		-Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: STAT~~ {"stat":{"time":"2020-03-06 04:09:34 UTC",(% style="color:red" %)"lati":22.70627,"long":114.24277,"alti":58,
	84	+Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: STAT~~ {"stat":{"time":"2020-03-06 04:09:34 UTC",(% style="color:red" %)"lati":22.70627,"long":114.24277,"alti":58,(%%)
69	69	(% style="color:black" %)"rxnb":0,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}
70	70	Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
71	71	Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms

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