Packet #28224210 Success

NODEINFO_APP packet from Calnus - Station (CALS) to Gnomoazul Base (Gnaz)

5
Total Receptions
5
Unique Gateways
3
Hop Count
83
Payload Bytes
Packet Information
Database ID: 28224210
Mesh Packet ID: 0xf1e4f262
Used for correlation across gateways
Timestamp: 2025-12-17 07:43:05 UTC
From Node: Calnus - Station (CALS)
To Node: Gnomoazul Base (Gnaz)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: XiaoWatt c4c8 ๐ŸŒ๐Ÿ”Œ (c4c8)
Channel: MediumFast
RSSI: -78 dBm
SNR: 8.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: b0 Vbm , 26b0
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 83 bytes
Decoded: Yes
Decoded Data:
Long Name:Calnus - Station
Short Name:CALS
Node ID:!435a6fa4
MAC Address:SMpDWm+k
Hardware:LILYGO_TBEAM_S3_CORE
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:83 bytes
Gateway:!3387c4c8
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
โš  Packet visible to MQTT subscribers
โš  Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !3387c4c8
Node ID format
channel_id MediumFast
packet MeshPacket (83 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1130000292
Source node ID
uint32
to 3574066200
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 83 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -78.0 dBm
Signal strength at gateway
int32
rx_snr 8.25 dB
Signal quality at gateway
float
rx_time 1765957384
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 19
Next hop node ID
uint32
relay_node 176
Relay node ID
uint32
tx_after Not set uint32
timestamp 1765957385.027768
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message
Privacy Features:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Targeted to specific node
  • โœ“ Custom channel: MediumFast
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (3 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !3387c4c8
Signal Metrics: RSSI: -78.0 dBm
SNR: 8.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:83 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!435a6fa4", "long_name": "Calnus - Station", "short_name": "CALS", "macaddr": "SMpDWm+k", "hw_model": "LILYGO_TBEAM_S3_CORE" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!3387c4c8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1130000292, "to": 3574066200, "id": 4058313314, "rx_time": 1765957384, "rx_snr": 8.25, "rx_rssi": -78, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 19, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433356136666134121043616c6e7573202d2053746174696f6e1a0443414c53220648ca435a6fa4280c38014220d5f7e0c2c2b0c90f03c65674a32a964bdc146db38d285f460c4a5713f3516e1b4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!435a6fa4", "long_name": "Calnus - Station", "short_name": "CALS", "macaddr": "SMpDWm+k", "hw_model": "LILYGO_TBEAM_S3_CORE", "role": "CLIENT_MUTE", "public_key": "1ffgwsKwyQ8DxlZ0oyqWS9wUbbONKF9GDEpXE/NRbhs=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (83 bytes)
0a09213433356136666134121043616c6e7573202d2053746174696f6e1a0443414c53220648ca435a6fa4280c38014220d5f7e0c2c2b0c90f03c65674a32a964bdc146db38d285f460c4a5713f3516e1b4800
Hex Analysis:
Size:83 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
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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
XiaoWatt c4c8 ๐ŸŒ๐Ÿ”Œ (c4c8) Primary 0.000s
Reference
-78.0 dBm 8.25 dB 3 b0 Vbm , 26b0 MediumFast 2025-12-17 07:43:05 UTC Current
GRN1-Base๐Ÿ—ผ๐ŸŒ ๐Ÿ”‹ (GRN1) -1.953s
Before
-100.0 dBm -0.75 dB 1 a8 CALB MediumFast 2025-12-17 07:43:03 UTC View
Meshtastic 26b0 (26b0) -0.887s
Before
-105.0 dBm -8.00 dB 2 e8 GRN1 , LCG1 MediumFast 2025-12-17 07:43:04 UTC View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -0.593s
Before
-115.0 dBm -6.75 dB 2 e8 GRN1 MediumFast 2025-12-17 07:43:04 UTC View
Ocumare Norte๐Ÿ—ผ๐ŸŒ (RRN) -0.465s
Before
-107.0 dBm -11.50 dB 3 b0 Vbm , 26b0 MediumFast 2025-12-17 07:43:04 UTC View
5

Total Receptions

5

Unique Gateways