Packet #2883500 Success

NODEINFO_APP packet from MeshNet.NL (GS0D) to PA3L GW (LPV0)

4
Total Receptions
2
Unique Gateways
0
Hop Count
75
Payload Bytes
Packet Information
Database ID: 2883500
Mesh Packet ID: 0x15d341fd
Used for correlation across gateways
Timestamp: 2025-08-17 23:42:23 UTC
From Node: MeshNet.NL (GS0D)
To Node: PA3L GW (LPV0)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: MeshNet (GS-D)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 75 bytes
Decoded: Yes
Decoded Data:
Long Name:MeshNet.NL
Short Name:GS0D
Node ID:!da5c87d4
MAC Address:NLfaXIfU
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:75 bytes
Gateway:!55cafe69
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !55cafe69
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (75 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3663497172
Source node ID 		uint32
to 3663222568
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 75 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1755466942
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 212
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755466943.755106
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !55cafe69
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:75 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!da5c87d4", "long_name": "MeshNet.NL", "short_name": "GS0D", "macaddr": "NLfaXIfU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!55cafe69", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3663497172, "to": 3663222568, "id": 366166525, "rx_time": 1755466942, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 212, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216461356338376434120a4d6573684e65742e4e4c1a0447533044220634b7da5c87d4282b42208ad72a6ac0d0bbda6cc304be01742ed692eeb576370ac8e0be18134bb74080624800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!da5c87d4", "long_name": "MeshNet.NL", "short_name": "GS0D", "macaddr": "NLfaXIfU", "hw_model": "HELTEC_V3", "public_key": "itcqasDQu9pswwS+AXQu1pLutXY3CsjgvhgTS7dAgGI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (75 bytes)
0a09216461356338376434120a4d6573684e65742e4e4c1a0447533044220634b7da5c87d4282b42208ad72a6ac0d0bbda6cc304be01742ed692eeb576370ac8e0be18134bb74080624800
Hex Analysis:
Size:75 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 reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
MeshNet (GS-D) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-08-17 23:42:23 Current
MeshNet.NL (GS0D) -0.206s
Before 		Unknown Unknown 0 LongFast 2025-08-17 23:42:23 View
MeshNet.NL (GS0D) -0.069s
Before 		Unknown Unknown 0 LongFast 2025-08-17 23:42:23 View
MeshNet (GS-D) +0.018s
After 		Unknown Unknown 0 LongFast 2025-08-17 23:42:23 View
4

Total Receptions

2

Unique Gateways