Packet #13745713 Success

NODEINFO_APP packet from Sirio 🗼🌞 (Sir) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

18
Total Receptions
18
Unique Gateways
2
Hop Count
78
Payload Bytes
Packet Information
Database ID: 13745713
Mesh Packet ID: 0x8854b388
Used for correlation across gateways
Timestamp: 2025-10-05 18:02:13 UTC
From Node: Sirio 🗼🌞 (Sir)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Villalbilla02 (VBV2)
Channel: MediumSlow
RSSI: -112 dBm
SNR: -11.0 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Sirio 🗼🌞
Short Name:Sir
Node ID:!170e6813
MAC Address:61EXDmgT
Hardware:NRF52_PROMICRO_DIY
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:78 bytes
Gateway:!26223cf8
Channel:MediumSlow
Payload Type:NODEINFO_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 !26223cf8
Node ID format
channel_id MediumSlow
packet MeshPacket (78 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 386820115
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 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 -112.0 dBm
Signal strength at gateway 		int32
rx_snr -11.00 dB
Signal quality at gateway 		float
rx_time 1759687333
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 106
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759687333.996754
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: !26223cf8
Signal Metrics: RSSI: -112.0 dBm
SNR: -11.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:78 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!170e6813", "long_name": "Sirio 🗼🌞", "short_name": "Sir", "macaddr": "61EXDmgT", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!26223cf8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 386820115, "to": 1129719940, "id": 2287252360, "rx_time": 1759687333, "rx_snr": -11.0, "rx_rssi": -112, "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": 106, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213137306536383133120e536972696f20f09f97bcf09f8c9e1a035369722206eb51170e6813283f42207a404e4165946e69cea6990ace4c1d6768cafe100f4433aa6e6d446e40ca264e4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!170e6813", "long_name": "Sirio 🗼🌞", "short_name": "Sir", "macaddr": "61EXDmgT", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "ekBOQWWUbmnOppkKzkwdZ2jK/hAPRDOqbm1EbkDKJk4=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09213137306536383133120e536972696f20f09f97bcf09f8c9e1a035369722206eb51170e6813283f42207a404e4165946e69cea6990ace4c1d6768cafe100f4433aa6e6d446e40ca264e4801
Hex Analysis:
Size:78 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
Villalbilla02 (VBV2) Primary 0.000s
Reference 		-112.0 dBm -11.00 dB 2 MediumSlow 2025-10-05 18:02:13 Current
Mec Rocket Meco (MRM) -3.579s
Before 		-106.0 dBm -5.50 dB 0 MediumSlow 2025-10-05 18:02:10 View
GRN1-Base🗼🌐 (GRN1) -3.237s
Before 		-100.0 dBm -9.00 dB 0 MediumSlow 2025-10-05 18:02:10 View
Venturada2🗼🌐☀️ (Vb2) -1.637s
Before 		-99.0 dBm -1.25 dB 1 MediumSlow 2025-10-05 18:02:12 View
Rodashtastic🗼🌐 (RDSt) -1.296s
Before 		-114.0 dBm -6.50 dB 1 MediumSlow 2025-10-05 18:02:12 View
Oxygen EA4HKU (O) +1.467s
After 		-107.0 dBm -3.00 dB 3 MediumSlow 2025-10-05 18:02:15 View
Alma Tracker (AGPS) +1.862s
After 		-112.0 dBm -16.25 dB 3 MediumSlow 2025-10-05 18:02:15 View
Antonio 82d4 (82d4) +2.057s
After 		-125.0 dBm -15.75 dB 3 MediumSlow 2025-10-05 18:02:16 View
Carbon EA4HKU (C) +2.683s
After 		-112.0 dBm -3.50 dB 3 MediumSlow 2025-10-05 18:02:16 View
Baldur Fijo (BalF) +2.756s
After 		-105.0 dBm -3.25 dB 3 MediumSlow 2025-10-05 18:02:16 View
Meshtastic 1760 (1760) +2.763s
After 		-118.0 dBm -0.50 dB 3 MediumSlow 2025-10-05 18:02:16 View
Meshtastic 18a4 (18a4) +2.778s
After 		-121.0 dBm -11.00 dB 3 MediumSlow 2025-10-05 18:02:16 View
Suop 📡 🌐 (SUOP) +2.789s
After 		-113.0 dBm -3.75 dB 3 MediumSlow 2025-10-05 18:02:16 View
Ocumare_Base_🗼🌐 (CATA) +3.978s
After 		-92.0 dBm 4.25 dB 4 MediumSlow 2025-10-05 18:02:17 View
Trasto 🐰 Va (trva) +4.881s
After 		-109.0 dBm -5.25 dB 1 MediumSlow 2025-10-05 18:02:18 View
tizon (Sylv) +4.900s
After 		-106.0 dBm 1.50 dB 1 MediumSlow 2025-10-05 18:02:18 View
Will - Azuqueca (WAzq) +5.537s
After 		-108.0 dBm 0.50 dB 3 MediumSlow 2025-10-05 18:02:19 View
[TLG] 📡🌐🔋🔌 (tlg0) +7.277s
After 		-118.0 dBm -13.75 dB 2 MediumSlow 2025-10-05 18:02:21 View
18

Total Receptions

18

Unique Gateways