Packet #12639469 Success

NODEINFO_APP packet from LM25_Cañaveral_v3 📡 (📡) to AlcalaHeltekV3 (C3Po)

15
Total Receptions
15
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 12639469
Mesh Packet ID: 0x4431d732
Used for correlation across gateways
Timestamp: 2025-09-28 18:19:25 UTC
From Node: LM25_Cañaveral_v3 📡 (📡)
To Node: AlcalaHeltekV3 (C3Po)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: G71NCH3-NB-MAD-02 (G71B)
Channel: MediumSlow
RSSI: -39 dBm
SNR: 9.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:LM25_Cañaveral
Short Name:LM25
Node ID:!9ea2a684
MAC Address:nBOeoqaE
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:80 bytes
Gateway:!9e9d5148
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 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 (4 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 (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661459588
Source node ID 		uint32
to 2661417196
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -39.0 dBm
Signal strength at gateway 		int32
rx_snr 9.50 dB
Signal quality at gateway 		float
rx_time 1759082666
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 1759083565.635049
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e9d5148
Signal Metrics: RSSI: -39.0 dBm
SNR: 9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!9ea2a684", "long_name": "LM25_Cañaveral", "short_name": "LM25", "macaddr": "nBOeoqaE", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9d5148", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661459588, "to": 2661417196, "id": 1144117042, "rx_time": 1759082666, "rx_snr": 9.5, "rx_rssi": -39, "hop_limit": 0, "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": 4, "payload": "0a09213965613261363834120f4c4d32355f4361c3b161766572616c1a044c4d323522069c139ea2a684282b4220a6a01a952f98ad916e0c65f8a49be6bbf08bb4cced2bcbdfefb8e66bae8ef26d4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9ea2a684", "long_name": "LM25_Cañaveral", "short_name": "LM25", "macaddr": "nBOeoqaE", "hw_model": "HELTEC_V3", "public_key": "pqAalS+YrZFuDGX4pJvmu/CLtMztK8vf77jma66O8m0=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213965613261363834120f4c4d32355f4361c3b161766572616c1a044c4d323522069c139ea2a684282b4220a6a01a952f98ad916e0c65f8a49be6bbf08bb4cced2bcbdfefb8e66bae8ef26d4800
Hex Analysis:
Size:80 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 9.50 dB 4 MediumSlow 2025-09-28 18:19:25 Current
Mec Rocket Meco (MRM) -901.694s
Before 		-34.0 dBm 8.00 dB 3 MediumSlow 2025-09-28 18:04:23 View
Venturada2🗼🌐☀️ (Vb2) -901.427s
Before 		-103.0 dBm -3.75 dB 2 MediumSlow 2025-09-28 18:04:24 View
Meshtastic 1760 (1760) -898.543s
Before 		-128.0 dBm -8.75 dB 4 MediumSlow 2025-09-28 18:04:27 View
Villalbilla02 (VBV2) -898.509s
Before 		-116.0 dBm -8.25 dB 4 MediumSlow 2025-09-28 18:04:27 View
[TLG] 📡🌐🔋🔌 (tlg0) -898.502s
Before 		-116.0 dBm -13.75 dB 4 MediumSlow 2025-09-28 18:04:27 View
📟Lulo_N2📟 (L_N2) -897.560s
Before 		-133.0 dBm -10.25 dB 4 MediumSlow 2025-09-28 18:04:28 View
Rodashtastic🗼🌐 (RDSt) -897.543s
Before 		-119.0 dBm -10.75 dB 4 MediumSlow 2025-09-28 18:04:28 View
Will - Azuqueca (WAzq) -897.400s
Before 		-112.0 dBm -5.25 dB 4 MediumSlow 2025-09-28 18:04:28 View
Naranjo C191 🌐 (FNL) -897.152s
Before 		-118.0 dBm -12.00 dB 4 MediumSlow 2025-09-28 18:04:28 View
Fuenca fijo (c578) -897.145s
Before 		-124.0 dBm -12.50 dB 4 MediumSlow 2025-09-28 18:04:28 View
Machu Pichu (MaPi) -897.137s
Before 		-102.0 dBm -4.50 dB 4 MediumSlow 2025-09-28 18:04:28 View
Suop 📡 🌐 (SUOP) -896.645s
Before 		-111.0 dBm -2.25 dB 4 MediumSlow 2025-09-28 18:04:28 View
Malasaña Solar ☀️ (🌇) -893.171s
Before 		-121.0 dBm -13.50 dB 4 MediumSlow 2025-09-28 18:04:32 View
Glitchs Azuqueca 📡 (GltA) -859.765s
Before 		-123.0 dBm -12.00 dB 4 MediumSlow 2025-09-28 18:05:05 View
15

Total Receptions

15

Unique Gateways