View source for Telemetry Packet

==Telemetry Packet structure==
{| class="wikitable"
|-
|-
! Field !! Size (bits) !! Bit Range !! Description !! Breakdown
|-
! colspan="5" style="background:#D3D3D3;" | Header (10 bytes)
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| Start byte || 8 || 0–7 || Starting character $ (ASCII value 36) || $
|-
| Data length || 12 || 08–19 || 2-byte length of the data following the header || 
|-
| Num of data packets || 5 || 20–24 || Number of packets (0–32) || 0–32
|-
| IMEI || 50 || 25–74 || Unique device identifier || e.g., 887744556677882
|-
| packet type || 5 || 75–79 || Integer type:  
* 00 - Device Info Packet  
* 01 - Alert Packet  
* 02 - OTA Packet  
* 03 - Error Packet  
* 04 - Device Configuration Packet  
* 05 - IP Configuration Packet  
* 06 - Live || 
|-
! colspan="5" style="background:#D3D3D3;" | Data (= 55 bytes × number of packets)
|-
| Packet Status || 1 || — || Type of packet || 
|-
| Frame Number || 16 || — || Frame number || 
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| AlertID || 8 || — || Alert identifier || 
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| Operator || 4 || — || Network operator || 00-Airtel, 01-BSNL, 02-VI, 04-JIO
|-
| Signal Strength || 5 || — || Signal strength || Integer (0–31)
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| MCC || 10 || — || Mobile country code || Integer
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| MNC || 6 || — || Mobile network code || Integer
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| Cell Id || 16 || — || Cell tower ID || Integer
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| Location Area Code || 16 || — || Location area code || Integer
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| Fix_status || 1 || — || GPS fix status || 0: No fix, 1: Valid Fix
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| Start byte || 1 || — || Latitude coordinate || Divide by 1,000,000 for float value
|-
| NS_Indication || 1 || — || N or S || 0: N, 1: S
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| Longitude || 29 || — || Longitude coordinate || Divide by 1,000,000 for float value
|-
| EW_Indication || 1 || — || East/West Indication || 0: E, 1: W
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| HDOP || 10 || — || Horizontal dilution || Divide by 10 for float value
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| PDOP || 10 || — || Position dilution || Divide by 10 for float value
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| Speed || 10 || — || Speed in km/h || Divide by 10 for float value
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| Altitude || 15 || — || Altitude in meters || Divide by 10 for float value
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| Power Status || 1 || — || Power connection status || 0: Power disconnected, 1: Power connected
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| Ignition Status || 1 || — || Ignition status || 0: OFF, 1: ON
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| Immobilizer Status || 1 || — || Immobilizer status || 0: OFF, 1: ON
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| Tamper || 1 || — || Wire Tamper detection || 0: Tamper clear, 1: Tamper alert ON
|-
| Supply Voltage || 6 || — || External battery voltage || Divide by 10 for float value
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| Internal Battery Voltage || 6 || — || Internal battery voltage || Divide by 10 for float value
|-
| Fuel SensorValue 1 || 16 || — || Fuel sensor value || Divide by 10 if float
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| Fuel Percentage 1 || 16 || — || Fuel level percentage || Divide by 10 for float value
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| Fuel SensorValue 2 || 16 || — || Fuel sensor value || Divide by 10 if float
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| Fuel Percentage 2 || 16 || — || Fuel level percentage || Divide by 10 for float value
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| Fuel SensorValue 3 || 16 || — || Fuel sensor value || Divide by 10 if float
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| Fuel Percentage 3 || 16 || — || Fuel level percentage || Divide by 10 for float value
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| Analog Input || 10 || — || Analog input || Divide by 10 for float value
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| Analog Input 1 || 10 || — || Analog input 1 || Divide by 10 for float value
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| Digital Input 1 || 1 || — || Digital input 1 || 0 or 1
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| Digital Input 2 || 1 || — || Digital input 2 || 0 or 1
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| Digital Output 1 || 1 || — || Digital output 1 || 0 or 1
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| Digital Output 2 || 1 || — || Digital output 2 || 0 or 1
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| Temperature sensor status 1 || 1 || — || Status of temperature sensor 1 || 1 if connected, 0 if not connected
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| Temperature 1 || 12 || — || Temperature in °C || Signed, divide by 10
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| Temperature sensor status 2 || 1 || — || Status of temperature sensor 2 || 1 if connected, 0 if not connected
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| Temperature 2 || 12 || — || Temperature in °C || Signed, divide by 10
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| Temperature sensor status 3 || 1 || — || Status of temperature sensor 3 || 1 if connected, 0 if not connected
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| Temperature 3 || 12 || — || Temperature in °C || Signed, divide by 10
|-
| Humidity || 8 || — || Humidity percentage || 
|-
| Odometer || 35 || — || Odometer value in meters || 
|-
| DateTime UTC || 32 || — || Timestamp || UTC time in seconds
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| TimeZone || 8 || — || 
Timezone in quarter-hours (e.g., 22 = +5:30).  
Each unit = 15 mins.  
Value 22 = 22 × 15 mins = 330 mins = +5:30  
Range: -48 to 56, 2's complement || 
|-
! colspan="5" "style="background:#D3D3D3;" | Tail
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| End Character || 8 || 0–7 || Starting character * (ASCII value 42) || *
|-
| CRC || 8 || 8–15 || 8-bit XOR CRC of data starting from $ to * (excluding $ and *) || 
|}
==Sample Packet==