# Extracting gps coordinates from abeeway tracker

**URL:** <https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753>\
**Category:** General\
**Created:** [26 January 2021 06:39 UTC](https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753 "2021-01-26T06:39:27Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![bachloo.rahul](https://avatars.discourse-cdn.com/v4/letter/b/779978/32.png) [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Post date:** [26 January 2021 06:39 UTC](https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753/1 "2021-01-26T06:39:28Z")

</div>

![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/8/4/8445898dd0278113195a9f17c4896d600d2a94d2.png)  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/a/7ac51ab9bb6413ccbd1861d0a1dd39e2f0c34f55.png)  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/0/a/0a2c80b29d7602085debbe2673ea24186937fbdb.png)  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/0/e/0e417ef4cc30d1e373f878b9dbae5ae600f64272.png)  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/d/9/d97e6728c250750b514e924459cc43a9a8052f27.png)

payload

```auto
{"applicationID":"1","applicationName":"cloud","data":"A0i4eAAKEOwyLd8tBfZMpg==","devEUI":"20635f01080016e9","deviceName":"ab8","fCnt":23,"fPort":17,"rxInfo":[{"altitude":0,"latitude":0,"loRaSNR":9,"longitude":0,"mac":"24e124fffef0a78e","name":"24e124fffef0a78e","rssi":-62,"time":"2021-01-26T06:25:31.188652Z"}],"time":"2021-01-26T06:25:31.188652Z","txInfo":{"adr":true,"codeRate":"4/5","dataRate":{"bandwidth":125,"modulation":"LORA","spreadFactor":7},"frequency":865402500}}

```

flow

```auto
[{"id":"959d3557.cd9348","type":"tab","label":"Flow 4","disabled":false,"info":""},{"id":"c210c881.13fa48","type":"mqtt in","z":"959d3557.cd9348","name":"","topic":"bachloo.rahul@gmail.com/test","qos":"0","datatype":"auto","broker":"c374bf02.4cc37","x":160,"y":60,"wires":[["5ed9595c.6c3da8"]]},{"id":"ad901abe.c4e568","type":"debug","z":"959d3557.cd9348","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":450,"y":220,"wires":[]},{"id":"5ed9595c.6c3da8","type":"function","z":"959d3557.cd9348","name":"","func":"var t=JSON.parse(msg.payload);\nmsg.payload=t.data;\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":260,"y":120,"wires":[["608edfd5.d8e4c"]]},{"id":"608edfd5.d8e4c","type":"base64","z":"959d3557.cd9348","name":"","action":"","property":"payload","x":430,"y":120,"wires":[["2ef05839.acaba8"]]},{"id":"2ef05839.acaba8","type":"buffer-parser","z":"959d3557.cd9348","name":"","data":"payload.data","dataType":"msg","specification":"spec","specificationType":"ui","items":[{"type":"byte","name":"lat","offset":6,"length":3,"offsetbit":0,"scale":"1","mask":""},{"type":"byte","name":"lon","offset":9,"length":3,"offsetbit":0,"scale":"1","mask":""}],"swap1":"","swap2":"","swap3":"","swap1Type":"swap","swap2Type":"swap","swap3Type":"swap","msgProperty":"payload.data","msgPropertyType":"str","resultType":"keyvalue","resultTypeType":"output","multipleResult":false,"fanOutMultipleResult":false,"setTopic":true,"outputs":1,"x":500,"y":160,"wires":[["ad901abe.c4e568"]]},{"id":"c374bf02.4cc37","type":"mqtt-broker","name":"local","broker":"maqiatto.com","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closeQos":"0","closePayload":"","willTopic":"","willQos":"0","willPayload":""}]

```

[Abeeway Micro Tracker\_Reference\_Guide\_FW1.9\_0.5.pdf](https://discourse.nodered.org/uploads/short-url/3RwEAu8NHCyqRNpGn5w8qCZtVNa.pdf) (1.4 MB)

---

<div class="post-metadata">

**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [26 January 2021 09:21 UTC](https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753/2 "2021-01-26T09:21:18Z")

</div>

Use a debug - what comes out of the base64 node?

the error about `data` not being an array or buffer is a huge clue!

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/3/2/32f996173b0bd966eb12e1b93b27a39293b59ad9.png)

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<div class="post-metadata">

**Author:** ![bachloo.rahul](https://avatars.discourse-cdn.com/v4/letter/b/779978/32.png) [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Post date:** [26 January 2021 09:31 UTC](https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753/3 "2021-01-26T09:31:55Z")

</div>

![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/c/8/c8ec26b6a3131930214620df4a3ee429d53bf467.png)  
yes steve now able to see latitude and longitude in terms of array of object.  
 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/1/7/1768036e4af30e395c0b53acccd0247d20cd9321.png)  
Thanks for guidance steve now we are able to see latitude and longitude.

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [9 February 2021 09:32 UTC](https://discourse.nodered.org/t/extracting-gps-coordinates-from-abeeway-tracker/39753/4 "2021-02-09T09:32:06Z")

</div>

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