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Last modified by Xiaoling on 2023/12/27 09:15
From version 134.1
edited by Edwin Chen
on 2022/11/21 10:02
Change comment: There is no comment for this version
To version 131.1
edited by Bei Jinggeng
on 2022/11/18 11:27
Change comment: There is no comment for this version

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Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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1193 1193  
1194 1194  == 7.4 How to modify source code to compile different frequency band bin file? ==
1195 1195  
1196 -
1197 -(% class="box infomessage" %)
1198 -(((
1199 -(% style="color:red" %)Important(%%): Developer **MUST** follow the Arduino Environment Instruction exactly include change the SPI pin mappings.
1200 -See : [[**Set Up Arduino Compile Environment for TrackerD**. >>||anchor="H6.1.1SetupARDUINOcompileenvironment"]]
1201 -)))
1202 -
1203 1203  1.When compiling the frequency band, you need to find LMIC_PROJECT_CONFIG.H file.
1204 1204  
1205 1205  [[image:image-20221116111844-1.png||height="227" width="782"]]
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1263 1263  1） Make Sure the device is in Open Area where can see the sky. 
1264 1264  2)  Set PDOP to a higher value.
1265 1265  
1266 - AT+PDOP=2(can be positioned precisely.）
1267 -
1268 - AT+PDOP=7(Quickly locate in open spaces）
1269 -
1270 - AT+PDOP=14.7(Positioning can be acquired in complex environments）
1271 -
1272 1272  Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1273 1273  )))
1274 1274