Packet #14207865 Success

NODEINFO_APP packet from MT14 Carabanchel (mtmn) to jopsis_tracker (70d1)

14
Total Receptions
14
Unique Gateways
4
Hop Count
81
Payload Bytes
Packet Information
Database ID: 14207865
Mesh Packet ID: 0xfc9cf901
Used for correlation across gateways
Timestamp: 2025-10-08 16:54:04 UTC
From Node: MT14 Carabanchel (mtmn)
To Node: jopsis_tracker (70d1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Ocumare_Base_🗼🌐 (CATA)
Channel: MediumSlow
RSSI: -94 dBm
SNR: Unknown
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:MT14 Carabanchel
Short Name:mtmn
Node ID:!db29a554
MAC Address:EFHbKaVU
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:81 bytes
Gateway:!849c3254
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 !849c3254
Node ID format
channel_id MediumSlow
packet MeshPacket (81 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3676939604
Source node ID 		uint32
to 578056401
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 81 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 -94.0 dBm
Signal strength at gateway 		int32
rx_snr Not set float
rx_time 1759942402
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 150
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759942444.1443353
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: !849c3254
Signal Metrics: RSSI: -94.0 dBm
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:81 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db29a554", "long_name": "MT14 Carabanchel", "short_name": "mtmn", "macaddr": "EFHbKaVU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!849c3254", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676939604, "to": 578056401, "id": 4238145793, "rx_time": 1759942402, "rx_snr": 0.0, "rx_rssi": -94, "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": 150, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921646232396135353412104d543134204361726162616e6368656c1a046d746d6e22061051db29a554282b422054dbd7b58cea1882637e7d551a33032166ad1670379a6b2717c459e00906ca784800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db29a554", "long_name": "MT14 Carabanchel", "short_name": "mtmn", "macaddr": "EFHbKaVU", "hw_model": "HELTEC_V3", "public_key": "VNvXtYzqGIJjfn1VGjMDIWatFnA3mmsnF8RZ4AkGyng=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a0921646232396135353412104d543134204361726162616e6368656c1a046d746d6e22061051db29a554282b422054dbd7b58cea1882637e7d551a33032166ad1670379a6b2717c459e00906ca784800
Hex Analysis:
Size:81 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
Ocumare_Base_🗼🌐 (CATA) Primary 0.000s
Reference 		-94.0 dBm Unknown 4 MediumSlow 2025-10-08 16:54:04 Current
Venturada2🗼🌐☀️ (Vb2) -4.594s
Before 		-112.0 dBm -13.25 dB 1 MediumSlow 2025-10-08 16:53:59 View
Quass001 ☄️ (Q001) -4.299s
Before 		-110.0 dBm -0.75 dB 1 MediumSlow 2025-10-08 16:53:59 View
Quass002 ☄️ (Q002) -3.941s
Before 		Unknown Unknown 2 MediumSlow 2025-10-08 16:54:00 View
[TLG] 📡🌐🔋🔌 (tlg0) -3.417s
Before 		-118.0 dBm -12.50 dB 2 MediumSlow 2025-10-08 16:54:00 View
GRN1-Base🗼🌐 (GRN1) -3.404s
Before 		-92.0 dBm 1.75 dB 2 MediumSlow 2025-10-08 16:54:00 View
Meshtastic 1760 (1760) -2.808s
Before 		-132.0 dBm -13.50 dB 2 MediumSlow 2025-10-08 16:54:01 View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.280s
Before 		-96.0 dBm -0.25 dB 2 MediumSlow 2025-10-08 16:54:01 View
Carbon EA4HKU (C) -2.259s
Before 		-109.0 dBm 1.00 dB 3 MediumSlow 2025-10-08 16:54:01 View
Meshtastic 18a4 (18a4) -1.948s
Before 		Unknown Unknown 3 MediumSlow 2025-10-08 16:54:02 View
Karabanchel_Baldur (KarB) -0.954s
Before 		-85.0 dBm 3.25 dB 3 MediumSlow 2025-10-08 16:54:03 View
tizon (Sylv) -0.615s
Before 		-106.0 dBm Unknown 3 MediumSlow 2025-10-08 16:54:03 View
Rodashtastic🗼🌐 (RDSt) -0.339s
Before 		-114.0 dBm -6.50 dB 3 MediumSlow 2025-10-08 16:54:03 View
Kenobi23 movil (5672) +4.122s
After 		-57.0 dBm 8.00 dB 4 MediumSlow 2025-10-08 16:54:08 View
14

Total Receptions

14

Unique Gateways