Packet #13879780 Success

NODEINFO_APP packet from Base Sur 🗼 (Bssr) to Meshtastic 53fc (53fc)

12
Total Receptions
12
Unique Gateways
2
Hop Count
78
Payload Bytes
Packet Information
Database ID: 13879780
Mesh Packet ID: 0x578ef2d0
Used for correlation across gateways
Timestamp: 2025-10-06 16:18:01 UTC
From Node: Base Sur 🗼 (Bssr)
To Node: Meshtastic 53fc (53fc)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Carbon EA4HKU (C)
Channel: MediumSlow
RSSI: -116 dBm
SNR: -9.0 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Base Sur 🗼
Short Name:Bssr
Node ID:!db2ac914
MAC Address:EFHbKskU
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:78 bytes
Gateway:!a0cb0d44
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:2 / 2
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 !a0cb0d44
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 3677014292
Source node ID 		uint32
to 3215545340
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 bytes size
hop_limit Not set uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -116.0 dBm
Signal strength at gateway 		int32
rx_snr -9.00 dB
Signal quality at gateway 		float
rx_time 1759767479
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 245
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759767481.6458979
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: !a0cb0d44
Signal Metrics: RSSI: -116.0 dBm
SNR: -9.00 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": "!db2ac914", "long_name": "Base Sur 🗼", "short_name": "Bssr", "macaddr": "EFHbKskU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb0d44", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677014292, "to": 3215545340, "id": 1468986064, "rx_time": 1759767479, "rx_snr": -9.0, "rx_rssi": -116, "hop_limit": 0, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 245, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326163393134120d426173652053757220f09f97bc1a044273737222061051db2ac914282b42205754b38930200376b17e5ffb1e06f553f0efbe4e67722cc29ca8e021d8dc8d304800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2ac914", "long_name": "Base Sur 🗼", "short_name": "Bssr", "macaddr": "EFHbKskU", "hw_model": "HELTEC_V3", "public_key": "V1SziTAgA3axfl/7Hgb1U/Dvvk5ncizCnKjgIdjcjTA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09216462326163393134120d426173652053757220f09f97bc1a044273737222061051db2ac914282b42205754b38930200376b17e5ffb1e06f553f0efbe4e67722cc29ca8e021d8dc8d304800
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
Carbon EA4HKU (C) Primary 0.000s
Reference 		-116.0 dBm -9.00 dB 2 MediumSlow 2025-10-06 16:18:01 Current
Venturada2🗼🌐☀️ (Vb2) -1.728s
Before 		-113.0 dBm -13.50 dB 2 MediumSlow 2025-10-06 16:17:59 View
GRN1-Base🗼🌐 (GRN1) -0.919s
Before 		-100.0 dBm -6.50 dB 1 MediumSlow 2025-10-06 16:18:00 View
Villalbilla02 (VBV2) -0.750s
Before 		-122.0 dBm -12.75 dB 2 MediumSlow 2025-10-06 16:18:00 View
Meshtastic 18a4 (18a4) -0.728s
Before 		-124.0 dBm -13.50 dB 2 MediumSlow 2025-10-06 16:18:00 View
Suop 📡 🌐 (SUOP) +0.068s
After 		-111.0 dBm -6.50 dB 2 MediumSlow 2025-10-06 16:18:01 View
Baldur Fijo (BalF) +0.220s
After 		-114.0 dBm -9.50 dB 2 MediumSlow 2025-10-06 16:18:01 View
Ocumare_Base_🗼🌐 (CATA) +0.531s
After 		-82.0 dBm 8.50 dB 2 MediumSlow 2025-10-06 16:18:02 View
[TLG] 📡🌐🔋🔌 (tlg0) +0.870s
After 		-106.0 dBm -2.75 dB 2 MediumSlow 2025-10-06 16:18:02 View
Kenobi23 QTH (5aec) +1.053s
After 		-103.0 dBm 0.25 dB 2 MediumSlow 2025-10-06 16:18:02 View
Meshtastic 53fc (53fc) +1.486s
After 		-121.0 dBm -12.25 dB 2 MediumSlow 2025-10-06 16:18:03 View
tizon (Sylv) +2.145s
After 		-106.0 dBm 1.75 dB 2 MediumSlow 2025-10-06 16:18:03 View
12

Total Receptions

12

Unique Gateways