Packet #18016305 Success

NODEINFO_APP packet from Big IRN1 (IRN1) to !126b9349

46
Total Receptions
2
Unique Gateways
3
Hop Count
73
Payload Bytes
Packet Information
Database ID: 18016305
Mesh Packet ID: 0xe1120683
Used for correlation across gateways
Timestamp: 2026-03-27 21:32:22 UTC
From Node: Big IRN1 (IRN1)
To Node: !126b9349 (9349)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Cadia (M3)
Channel: MediumFast
RSSI: -125 dBm
SNR: -15.5 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Relay Node: 75
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 73 bytes
Decoded: Yes
Decoded Data:
Long Name:Big IRN1
Short Name:IRN1
Node ID:!040692ec
MAC Address:rKcEBpLs
Hardware:HELTEC_V3
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:73 bytes
Gateway:!4359649c
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id MediumFast
packet MeshPacket (73 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 67539692
Source node ID
uint32
to 309039945
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 73 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -125.0 dBm
Signal strength at gateway
int32
rx_snr -15.50 dB
Signal quality at gateway
float
rx_time 1774647140
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 117
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647142.673812
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4359649c
Signal Metrics: RSSI: -125.0 dBm
SNR: -15.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:73 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!040692ec", "long_name": "Big IRN1", "short_name": "IRN1", "macaddr": "rKcEBpLs", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67539692, "to": 309039945, "id": 3776054915, "rx_time": 1774647140, "rx_snr": -15.5, "rx_rssi": -125, "hop_limit": 4, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 117, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921303430363932656312084269672049524e311a0449524e312206aca7040692ec282b4220c7df8cd6db5caa47556f0aeb69bb719291c348333fe123e5cfadcd1f050e3f684800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!040692ec", "long_name": "Big IRN1", "short_name": "IRN1", "macaddr": "rKcEBpLs", "hw_model": "HELTEC_V3", "public_key": "x9+M1ttcqkdVbwrrabtxkpHDSDM/4SPlz63NHwUOP2g=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (73 bytes)
0a0921303430363932656312084269672049524e311a0449524e312206aca7040692ec282b4220c7df8cd6db5caa47556f0aeb69bb719291c348333fe123e5cfadcd1f050e3f684800
Hex Analysis:
Size:73 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
Mechanicus Cadia (M3) Primary 0.000s
Reference
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC Current
Mechanicus Cadia (M3) -0.424s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.402s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.381s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.360s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.338s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.314s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.290s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.267s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.243s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.221s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.200s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.178s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.158s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.134s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.110s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.087s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.064s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.043s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.021s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.039s
After
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.062s
After
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.085s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.108s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.131s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.151s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.172s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.197s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.218s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.242s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.266s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.289s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.317s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.339s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.361s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.382s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.404s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.427s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.451s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.475s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.498s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.520s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.553s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.574s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.594s
After
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:23 UTC View
Mechanicus Alpha (M1) +0.646s
After
-111.0 dBm -4.50 dB 3 75 LongFast 2026-03-27 21:32:23 UTC View
46

Total Receptions

2

Unique Gateways