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General Reference Cheat Sheet (DRAFT) by

This is a draft cheat sheet. It is a work in progress and is not finished yet.

GPS Accuracy

Decimal Places
Eg
Distance
Notes
0
53
111 km
1
53.7
11.1 km
2
53.70
1.11 km
3
53.707
111 m
4
53.704
11.1 m
UCL
5
53.70740
1.11 m
DCO
6
53.707405
11.1 cm
UCL: Uncorr­ected GPS limit, commercial GPS with no interf­erence
DCO: Differ­ential Correction only

Event Severity

Emergency
1
System is unusable
Alert
2
Action must be taken immedi­ately
Critical
3
Applic­ation component unavai­lable, unexpected exception
Error
4
Conditions that do not require immediate action, but should be monitored
Warning
5
Except­ional occurr­ences that are not errors
Notice
6
Normal, but signif­icant events
Info
7
Intere­sting events
Debug
8
Detailed debug inform­ation
 

LoRaWAN Data Rates

Data Rate
Config (SF / kHz)
Bits
Max Payload
DR0
12 / 125
250
59
DR1
11 / 125
440
59
DR2
10 / 125
980
59
DR3
9 / 125
1760
123
DR4
8 / 125
3125
230
DR5
7 / 125
5470
230
DR6
7 / 250
11000
230
DR7
FSK: 50kbps
50000
230
 

ISO 6709 - GeoLoc­ation

Latitude
Y
53.70740
Longitude
X
-1.90748
GeoJson is (long, lat)