Packet #18016134 Success

TELEMETRY_APP packet from VE7NA MtBenson-LF MediumSlow! Join us! (NALF) to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
27
Payload Bytes
Packet Information
Database ID: 18016134
Mesh Packet ID: 0x8e188ae5
Used for correlation across gateways
Timestamp: 2026-03-27 21:31:27 UTC
From Node: VE7NA MtBenson-LF MediumSlow! Join us! (NALF)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: FourSisters (4sis)
Channel: LongFast
RSSI: -98 dBm
SNR: 4.75 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: 70
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Environment Metrics:
Temperature:11.7°C
Humidity:51.8%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:27 bytes
Gateway:!a0cb14e8
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb14e8
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1256537236
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 27 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -98.0 dBm
Signal strength at gateway
int32
rx_snr 4.75 dB
Signal quality at gateway
float
rx_time 1774647084
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 112
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647087.4422345
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb14e8
Signal Metrics: RSSI: -98.0 dBm
SNR: 4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1774647052, "environment_metrics": { "temperature": 11.71, "relative_humidity": 51.79, "voltage": 4.208, "current": 2.5 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb14e8", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1256537236, "to": 4294967295, "id": 2383973093, "rx_time": 1774647084, "rx_snr": 4.75, "rx_rssi": -98, "hop_limit": 2, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 112, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d0cf7c6691a140d295c3b4115f6284f422df0a786403500002040", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774647052, "environment_metrics": { "temperature": 11.71, "relative_humidity": 51.79, "voltage": 4.208, "current": 2.5 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (27 bytes)
0d0cf7c6691a140d295c3b4115f6284f422df0a786403500002040
Hex Analysis:
Size:27 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations
Loading...

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
FourSisters (4sis) Primary 0.000s
Reference
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC Current
FourSisters (4sis) +0.033s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.054s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.076s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.100s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.131s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.154s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.176s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.210s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.246s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.287s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.325s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.348s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.372s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.392s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.412s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.435s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.463s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.515s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.556s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:27 UTC View
FourSisters (4sis) +0.593s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.614s
After
-98.0 dBm 4.75 dB 3 70 MediumFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.642s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.665s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.690s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.713s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.735s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.762s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.783s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.804s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.825s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.850s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.874s
After
-98.0 dBm 4.75 dB 3 70 ShortFast 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.897s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.919s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.939s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.963s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +0.983s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.011s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.035s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.067s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.090s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.112s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.133s
After
-98.0 dBm 4.75 dB 3 70 ShortTurbo 2026-03-27 21:31:28 UTC View
FourSisters (4sis) +1.168s
After
-98.0 dBm 4.75 dB 3 70 LongFast 2026-03-27 21:31:28 UTC View
45

Total Receptions

1

Unique Gateways