hello,
It is possible to access to previous data in the Payload format? The goal is to calculate new value from specific n-1 to n sample. example a consumtion on an index. consumption = NowIndex - PreivousIndex…
best regards,
Mathieu
No.
Also, remember that you might not receive all data that the node has transmitted. And you cannot even access the frame counter, so within a payload format Decoder you don’t know anything, except the port number and the application payload data.
Sure it is radio 
But it could be interesting to have an access to an historical of your received data associated to their timestamp…
Not what you’re asking, but the Storage Integration will keep the last data for 7 days. Setting up some server that uses the MQTT API and its own database will really make your life much easier though.
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