Packet #12475573 Success

ROUTING_APP packet from GH2_Cañaveral (GH2) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

17
Total Receptions
17
Unique Gateways
2
Hop Count
2
Payload Bytes
Packet Information
Database ID: 12475573
Mesh Packet ID: 0x1f644818
Used for correlation across gateways
Timestamp: 2025-09-27 18:26:49 UTC
From Node: GH2_Cañaveral (GH2)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: ROUTING_APP
Port: 5
Gateway: G71NCH3-NB-MAD-02 (G71B)
Channel: MediumSlow
RSSI: -39 dBm
SNR: 9.25 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:!9e9d5148
Channel:MediumSlow
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
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e9d5148
Node ID format
channel_id MediumSlow
packet MeshPacket (2 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 681023788
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 -39.0 dBm
Signal strength at gateway 		int32
rx_snr 9.25 dB
Signal quality at gateway 		float
rx_time 1758994521
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 100
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1758997609.2194963
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e9d5148
Signal Metrics: RSSI: -39.0 dBm
SNR: 9.25 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": "!9e9d5148", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 681023788, "to": 1129719940, "id": 526665752, "rx_time": 1758994521, "rx_snr": 9.25, "rx_rssi": -39, "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": 100, "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
G71NCH3-NB-MAD-02 (G71B) Primary 0.000s
Reference 		-39.0 dBm 9.25 dB 2 MediumSlow 2025-09-27 18:26:49 Current
Mec Rocket Meco (MRM) -3089.244s
Before 		-120.0 dBm -17.00 dB 0 MediumSlow 2025-09-27 17:35:19 View
Venturada2🗼🌐☀️ (Vb2) -3087.909s
Before 		-112.0 dBm -10.00 dB 0 MediumSlow 2025-09-27 17:35:21 View
Meshtastic 1760 (1760) -3087.281s
Before 		-133.0 dBm -14.75 dB 1 MediumSlow 2025-09-27 17:35:21 View
Monolito (MoN) -3087.191s
Before 		-66.0 dBm 8.50 dB 2 MediumSlow 2025-09-27 17:35:22 View
Meshtastic 18a4 (18a4) -3087.018s
Before 		-56.0 dBm 10.75 dB 2 MediumSlow 2025-09-27 17:35:22 View
Malasaña Solar ☀️ (🌇) -3086.851s
Before 		-115.0 dBm -8.25 dB 2 MediumSlow 2025-09-27 17:35:22 View
[TLG] 📡🌐🔋🔌 (tlg0) -3086.052s
Before 		-116.0 dBm -10.25 dB 2 MediumSlow 2025-09-27 17:35:23 View
Kenobi23 QTH (5aec) -3085.885s
Before 		-89.0 dBm 6.25 dB 3 MediumSlow 2025-09-27 17:35:23 View
Fuenca fijo (c578) -3076.201s
Before 		-120.0 dBm -6.75 dB 2 MediumSlow 2025-09-27 17:35:33 View
Machu Pichu (MaPi) -3076.150s
Before 		-94.0 dBm 2.25 dB 2 MediumSlow 2025-09-27 17:35:33 View
Baldur Fijo (BalF) -3076.123s
Before 		-119.0 dBm -10.00 dB 2 MediumSlow 2025-09-27 17:35:33 View
Naranjo C191 🌐 (FNL) -3076.090s
Before 		-112.0 dBm -4.50 dB 2 MediumSlow 2025-09-27 17:35:33 View
🌐Charly Unid Movil🛰 (C181) -3075.893s
Before 		-116.0 dBm -14.75 dB 2 MediumSlow 2025-09-27 17:35:33 View
g1bal (g1b0) -3075.264s
Before 		-91.0 dBm 2.00 dB 3 MediumSlow 2025-09-27 17:35:33 View
TO_Cala_Base2🗼🌐☀️ (33C8) -3075.215s
Before 		-113.0 dBm -5.25 dB 3 MediumSlow 2025-09-27 17:35:34 View
Meshtastic 870c📡🌐 (870c) -3072.506s
Before 		-96.0 dBm 2.00 dB 4 MediumSlow 2025-09-27 17:35:36 View
17

Total Receptions

17

Unique Gateways