Packet #6561072 Success

NODEINFO_APP packet from TERMINALGPS (TGPS) to Meshtastic 870c📡🌐 (870c)

12
Total Receptions
12
Unique Gateways
4
Hop Count
76
Payload Bytes
Packet Information
Database ID: 6561072
Mesh Packet ID: 0x4c9c8309
Used for correlation across gateways
Timestamp: 2025-08-12 15:18:39 UTC
From Node: TERMINALGPS (TGPS)
To Node: Meshtastic 870c📡🌐 (870c)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 9fbd (9fbd)
Channel: MediumSlow
RSSI: -106 dBm
SNR: -4.75 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:TERMINALGPS
Short Name:TGPS
Node ID:!ea0dcf5c
MAC Address:jL/qDc9c
Hardware:T_DECK
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:76 bytes
Gateway:!d3d19fbd
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 5
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 !d3d19fbd
Node ID format
channel_id MediumSlow
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3926773596
Source node ID 		uint32
to 862619404
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 76 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr -4.75 dB
Signal quality at gateway 		float
rx_time 1755011914
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 1755011919.7203412
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: !d3d19fbd
Signal Metrics: RSSI: -106.0 dBm
SNR: -4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!ea0dcf5c", "long_name": "TERMINALGPS", "short_name": "TGPS", "macaddr": "jL/qDc9c", "hw_model": "T_DECK" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!d3d19fbd", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3926773596, "to": 862619404, "id": 1285325577, "rx_time": 1755011914, "rx_snr": -4.75, "rx_rssi": -106, "hop_limit": 1, "hop_start": 5, "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": "0a09216561306463663563120b5445524d494e414c4750531a045447505322068cbfea0dcf5c2832380142206fa9f79078cb0ab5f9e1a18df40b8f04a426363b4407a353e2a10bc1e0620a76", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ea0dcf5c", "long_name": "TERMINALGPS", "short_name": "TGPS", "macaddr": "jL/qDc9c", "hw_model": "T_DECK", "role": "CLIENT_MUTE", "public_key": "b6n3kHjLCrX54aGN9AuPBKQmNjtEB6NT4qELweBiCnY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09216561306463663563120b5445524d494e414c4750531a045447505322068cbfea0dcf5c2832380142206fa9f79078cb0ab5f9e1a18df40b8f04a426363b4407a353e2a10bc1e0620a76
Hex Analysis:
Size:76 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
Meshtastic 9fbd (9fbd) Primary 0.000s
Reference 		-106.0 dBm -4.75 dB 4 MediumSlow 2025-08-12 15:18:39 Current
TERMINALGPS (TGPS) -10.269s
Before 		Unknown Unknown 0 MediumSlow 2025-08-12 15:18:29 View
SkG@Home (HV3) 🗼🌐 (SkGh) -3.038s
Before 		-120.0 dBm -16.50 dB 2 MediumSlow 2025-08-12 15:18:36 View
Venturada base🗼🌐 (Vb) -2.653s
Before 		-109.0 dBm -3.25 dB 3 MediumSlow 2025-08-12 15:18:37 View
GRN1-Base🗼🌐 (GRN1) -2.614s
Before 		-111.0 dBm -1.50 dB 3 MediumSlow 2025-08-12 15:18:37 View
Tlgo 📡🌐🔋🔌 (TLG0) -2.560s
Before 		-114.0 dBm -10.50 dB 3 MediumSlow 2025-08-12 15:18:37 View
Mec Rocket Meco (MRM) -2.309s
Before 		-115.0 dBm -14.00 dB 3 MediumSlow 2025-08-12 15:18:37 View
Venturada2🗼🌐☀️ (Vb2) -2.306s
Before 		-98.0 dBm -1.25 dB 3 MediumSlow 2025-08-12 15:18:37 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -2.046s
Before 		-117.0 dBm -5.75 dB 3 MediumSlow 2025-08-12 15:18:37 View
Meshtastic fbec (fbec) -1.203s
Before 		-127.0 dBm -6.50 dB 4 MediumSlow 2025-08-12 15:18:38 View
Suop 📡 🌐 (SUOP) +0.740s
After 		-106.0 dBm -1.00 dB 4 MediumSlow 2025-08-12 15:18:40 View
Villalbilla02 (VBV2) +0.890s
After 		-109.0 dBm -4.75 dB 4 MediumSlow 2025-08-12 15:18:40 View
12

Total Receptions

12

Unique Gateways