Packet #40283672 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: 40283672
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 1779084927.115116
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) -1.114s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.083s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -1.044s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.974s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.931s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.893s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.845s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.812s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.757s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.710s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.614s
Before
-124.0 dBm -15.75 dB 2 ef crxb LongFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.570s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.517s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.490s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.426s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.363s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.328s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.288s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.258s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.215s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.187s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.154s
Before
-124.0 dBm -15.75 dB 2 ef crxb MediumFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.117s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:26 UTC View
MoeTD (Moe) -0.039s
Before
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.033s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.126s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.187s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.226s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.344s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.380s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.430s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.462s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortFast 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.533s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.629s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.678s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.742s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.790s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.831s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.875s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:27 UTC View
MoeTD (Moe) +0.916s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.954s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +0.981s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +1.009s
After
-124.0 dBm -15.75 dB 2 ef crxb ShortTurbo 2026-05-18 06:15:28 UTC View
MoeTD (Moe) +1.040s
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