Packet #40283678 Success

NODEINFO_APP packet from Zap North 3b1c (ZapN) to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
79
Payload Bytes
Packet Information
Database ID: 40283678
Mesh Packet ID: 0xd845f0fb
Used for correlation across gateways
Timestamp: 2026-05-18 06:15:27 UTC
From Node: Zap North 3b1c (ZapN)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: MoeTD (Moe)
Channel: ShortFast
RSSI: -124 dBm
SNR: -15.75 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: ef crxb
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: 79 bytes
Decoded: Yes
Decoded Data:
Long Name:Zap North 3b1c
Short Name:ZapN
Node ID:!90963b1c
MAC Address:6AaQljsc
Hardware:TLORA_T3_S3
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:79 bytes
Gateway:!4ed3691c
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4ed3691c
Node ID format
channel_id ShortFast
packet MeshPacket (79 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2425764636
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 79 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -124.0 dBm
Signal strength at gateway
int32
rx_snr -15.75 dB
Signal quality at gateway
float
rx_time 1779084925
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 239
Relay node ID
uint32
tx_after Not set uint32
timestamp 1779084927.4951935
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)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4ed3691c
Signal Metrics: RSSI: -124.0 dBm
SNR: -15.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:79 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!90963b1c", "long_name": "Zap North 3b1c", "short_name": "ZapN", "macaddr": "6AaQljsc", "hw_model": "TLORA_T3_S3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4ed3691c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2425764636, "to": 4294967295, "id": 3628462331, "rx_time": 1779084925, "rx_snr": -15.75, "rx_rssi": -124, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 239, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213930393633623163120e5a6170204e6f72746820336231631a045a61704e2206e80690963b1c28104220aba7c8075b214ef7d788a21e4b83540d773e4585d61dbfee6eea33b30eecb1664800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!90963b1c", "long_name": "Zap North 3b1c", "short_name": "ZapN", "macaddr": "6AaQljsc", "hw_model": "TLORA_T3_S3", "public_key": "q6fIB1shTvfXiKIeS4NUDXc+RYXWHb/ubuozsw7ssWY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (79 bytes)
0a09213930393633623163120e5a6170204e6f72746820336231631a045a61704e2206e80690963b1c28104220aba7c8075b214ef7d788a21e4b83540d773e4585d61dbfee6eea33b30eecb1664800
Hex Analysis:
Size:79 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
MoeTD (Moe) Primary 0.000s
Reference
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC Current
MoeTD (Moe) -1.494s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.463s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.424s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.354s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.312s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.273s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.225s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.192s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.137s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.090s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.994s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.950s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.898s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.870s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.807s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.743s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.708s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.668s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.638s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.595s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.567s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.534s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.497s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.419s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.380s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.347s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.254s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.193s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.154s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) -0.036s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.050s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.081s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.153s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.249s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.298s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.361s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.410s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.451s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.495s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.536s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.574s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.601s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.629s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.660s
After
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:28 UTC View
45

Total Receptions

1

Unique Gateways