Packet #18016309 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: 18016309
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: ShortFast
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:ShortFast
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 ShortFast
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 1774647142.7819843
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: ShortFast
  • ✓ 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": "ShortFast", "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
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
Mechanicus Cadia (M3) Primary 0.000s
Reference
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC Current
Mechanicus Cadia (M3) -0.532s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.510s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.489s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.468s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.446s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.422s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.398s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.375s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.351s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.330s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.308s
Before
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.286s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.266s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.242s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.218s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.195s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.172s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.151s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.130s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.108s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.069s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.046s
Before
-125.0 dBm -15.50 dB 3 75 MediumFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) -0.023s
Before
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.022s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.043s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.064s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.089s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.110s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.134s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.158s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.181s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.209s
After
-125.0 dBm -15.50 dB 3 75 ShortFast 2026-03-27 21:32:22 UTC View
Mechanicus Cadia (M3) +0.231s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.252s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.274s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.295s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.319s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.343s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.367s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.390s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.412s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.445s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.466s
After
-125.0 dBm -15.50 dB 3 75 ShortTurbo 2026-03-27 21:32:23 UTC View
Mechanicus Cadia (M3) +0.486s
After
-125.0 dBm -15.50 dB 3 75 LongFast 2026-03-27 21:32:23 UTC View
Mechanicus Alpha (M1) +0.537s
After
-111.0 dBm -4.50 dB 3 75 LongFast 2026-03-27 21:32:23 UTC View
46

Total Receptions

2

Unique Gateways