Packet #39014282 Success

ROUTING_APP packet from SKYB - LongFast (SKYB) to SKYC - MixPreset - MQTT (SKYC)

2
Total Receptions
2
Unique Gateways
1
Hop Count
2
Payload Bytes
Packet Information
Database ID: 39014282
Mesh Packet ID: 0x1ac81664
Used for correlation across gateways
Timestamp: 2026-05-15 04:42:32 UTC
From Node: SKYB - LongFast (SKYB)
To Node: SKYC - MixPreset - MQTT (SKYC)
Success: Processed
Protocol: ROUTING_APP
Port: 5
Gateway: SKYC - MixPreset - MQTT (SKYC)
Channel: LongSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: 78 SKYZ
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: ROUTING_APP
Size: 2 bytes
Decoded: Yes
Decoded Data:
{
  "error_reason": "NO_CHANNEL",
  "type": "protobuf",
  "portnum": "ROUTING_APP",
  "message_class": "Routing"
}
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:2 bytes
Gateway:!b2a7808c
Channel:LongSlow
Payload Type:ROUTING_APP
Hop Count:1 / 3
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 (1 hops)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b2a7808c
Node ID format
channel_id LongSlow
packet MeshPacket (2 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1727120157
Source node ID 		uint32
to 2997321868
Target node ID 		uint32
decoded.portnum 5
ROUTING_APP 		enum
decoded.payload_length 2 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778820151
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 64
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 120
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778820152.2332282
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: LongSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
MQTT-Specific Fields
Gateway ID: !b2a7808c
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:ROUTING_APP
Size:2 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "error_reason": "NO_CHANNEL", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a7808c", "channel_id": "LongSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1727120157, "to": 2997321868, "id": 449320548, "rx_time": 1778820151, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 120, "tx_after": 0, "decoded": { "portnum": 5, "payload": "1806", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "error_reason": "NO_CHANNEL", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" } } } }
Raw Packet Data (2 bytes)
1806
Hex Analysis:
Size:2 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 Relay Channel Timestamp Actions
SKYC - MixPreset - MQTT (SKYC) Primary 0.000s
Reference 		Unknown Unknown 1 78 SKYZ LongSlow 2026-05-15 04:42:32 UTC Current
msh/CA/ON/PTBO - LongSlow - Aux (SKYM) -0.075s
Before 		Unknown Unknown 1 78 LongSlow 2026-05-15 04:42:32 UTC View
2

Total Receptions

2

Unique Gateways