Packet #1496968 Success

ROUTING_APP packet from SkG@Tracker 📱 (SkGT) to Sierra norte Madrid ⛰️ (SNM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	1496968
Mesh Packet ID:	`0xfbed31c6` Used for correlation across gateways
Timestamp:	2025-06-22 05:19:40 UTC
From Node:	SkG@Tracker 📱 (SkGT)
To Node:	Sierra norte Madrid ⛰️ (SNM)
Success:	Processed
Protocol:	ROUTING_APP Port: 5

Gateway:	LgnX_1490 (LgnX)
Channel:	LongFast
RSSI:	-126 dBm
SNR:	-14.5 dBm
Hop Info:	2/4 hops Start: 4, Limit: 2

Payload Data

Protocol: ROUTING_APP

Size: 2 bytes

Decoded: Yes

Decoded Data:

{
  "error_reason": "NO_RESPONSE",
  "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:	!db2b1490
Channel:	LongFast
Payload Type:	ROUTING_APP
Hop Count:	2 / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db2b1490` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (2 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1555771960` Source node ID	uint32
`to`	`1129719940` 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`	`4` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-126.0` dBm Signal strength at gateway	int32
`rx_snr`	`-14.50` dB Signal quality at gateway	float
`rx_time`	`1750569459` 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`	`144` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1750569580.2450964` 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

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!db2b1490`
Signal Metrics:	RSSI: -126.0 dBm SNR: -14.50 dB

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_RESPONSE", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db2b1490", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1555771960, "to": 1129719940, "id": 4226625990, "rx_time": 1750569459, "rx_snr": -14.5, "rx_rssi": -126, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 144, "tx_after": 0, "decoded": { "portnum": 5, "payload": "1808", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "error_reason": "NO_RESPONSE", "type": "protobuf", "portnum": "ROUTING_APP", "message_class": "Routing" } } } }

Raw Packet Data (2 bytes)

1808

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	Channel	Timestamp	Actions
LgnX_1490 (LgnX) Primary	0.000s Reference	-126.0 dBm	-14.50 dB	2	LongFast	2025-06-22 05:19:40	Current
SkG@Home 🗼🌐 (SkGH)	-0.456s Before	-55.0 dBm	6.00 dB	0	LongFast	2025-06-22 05:19:39	View
test🗼🌐🌞 (test)	-0.009s Before	-114.0 dBm	-6.75 dB	2	LongFast	2025-06-22 05:19:40	View
[TLGO] Base 📡🌐 (TLG0)	+0.015s After	-115.0 dBm	-6.50 dB	3	LongFast	2025-06-22 05:19:40	View
Wake Up, Neo...📡 (NEO)	+0.092s After	-93.0 dBm	-1.00 dB	3	LongFast	2025-06-22 05:19:40	View
Mec Rocket Meco (MRM)	+0.097s After	-117.0 dBm	-10.00 dB	3	LongFast	2025-06-22 05:19:40	View
pipeline (pipe)	+0.101s After	-114.0 dBm	-3.75 dB	3	LongFast	2025-06-22 05:19:40	View
Meshtastic 2d04 (2d04)	+0.105s After	-128.0 dBm	-18.25 dB	3	LongFast	2025-06-22 05:19:40	View
Glitchs Azuqueca 📡 (Glta)	+0.122s After	-128.0 dBm	-18.25 dB	4	LongFast	2025-06-22 05:19:40	View
Ocumare_Base1_🗼🌐 (CATA)	+0.127s After	-95.0 dBm	-12.75 dB	4	LongFast	2025-06-22 05:19:40	View
Hugo 📱🌡️ (HUGO)	+0.391s After	-98.0 dBm	3.25 dB	4	LongFast	2025-06-22 05:19:40	View

11

Total Receptions

11

Unique Gateways