Packet #27769451 Success

NODEINFO_APP packet from Meshtastic 9b88 (9b88) to SkG@Tracker 📱 (SkGT)

14
Total Receptions
14
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 27769451
Mesh Packet ID: 0xb8bd0490
Used for correlation across gateways
Timestamp: 2025-12-15 07:18:51 UTC
From Node: Meshtastic 9b88 (9b88)
To Node: SkG@Tracker 📱 (SkGT)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Quixote_JS8_5🗼🌐 (QXT5)
Channel: MediumFast
RSSI: -115 dBm
SNR: -6.25 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 9b88
Short Name:9b88
Node ID:!9e9b9b88
MAC Address:nBOem5uI
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:!e2e5a934
Channel:MediumFast
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 !e2e5a934
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2660998024
Source node ID 		uint32
to 1555771960
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 -115.0 dBm
Signal strength at gateway 		int32
rx_snr -6.25 dB
Signal quality at gateway 		float
rx_time 1765783129
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 Not set uint32
tx_after Not set uint32
timestamp 1765783131.5542488
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: MediumFast
  • ✓ 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: !e2e5a934
Signal Metrics: RSSI: -115.0 dBm
SNR: -6.25 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": "!9e9b9b88", "long_name": "Meshtastic 9b88", "short_name": "9b88", "macaddr": "nBOem5uI", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!e2e5a934", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2660998024, "to": 1555771960, "id": 3099395216, "rx_time": 1765783129, "rx_snr": -6.25, "rx_rssi": -115, "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": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213965396239623838120f4d65736874617374696320396238381a043962383822069c139e9b9b88282b4220a312d02357d89ffa6b749ae1a4f8e7cc82754ff869bbaeb0c48ebff2b8c49c464800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9e9b9b88", "long_name": "Meshtastic 9b88", "short_name": "9b88", "macaddr": "nBOem5uI", "hw_model": "HELTEC_V3", "public_key": "oxLQI1fYn/prdJrhpPjnzIJ1T/hpu66wxI6/8rjEnEY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213965396239623838120f4d65736874617374696320396238381a043962383822069c139e9b9b88282b4220a312d02357d89ffa6b749ae1a4f8e7cc82754ff869bbaeb0c48ebff2b8c49c464800
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 Relay Channel Timestamp Actions
Quixote_JS8_5🗼🌐 (QXT5) Primary 0.000s
Reference 		-115.0 dBm -6.25 dB 4 - MediumFast 2025-12-15 07:18:51 UTC Current
Venturada2 🗼🌞 (Vb2) -10.234s
Before 		-91.0 dBm 4.50 dB 1 fc Anu2 MediumFast 2025-12-15 07:18:41 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -10.009s
Before 		-109.0 dBm -11.25 dB 1 fc Anu2 MediumFast 2025-12-15 07:18:41 UTC View
Ocumare Norte🗼🌐 (RRN) -9.736s
Before 		-103.0 dBm -7.50 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-15 07:18:41 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -9.728s
Before 		-104.0 dBm -13.50 dB 2 b0 Vb2 MediumFast 2025-12-15 07:18:41 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -9.717s
Before 		-78.0 dBm 8.00 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-15 07:18:41 UTC View
NodeJPL6 (JPL6) -9.338s
Before 		-97.0 dBm -5.75 dB 2 b0 Vb2 MediumFast 2025-12-15 07:18:42 UTC View
Eagle’s Nest (EAGL) -9.098s
Before 		-122.0 dBm -12.50 dB 2 61 TO1 MediumFast 2025-12-15 07:18:42 UTC View
Fenix (FENX) -8.164s
Before 		-119.0 dBm -11.00 dB 2 61 TO1 MediumFast 2025-12-15 07:18:43 UTC View
ETH Goose (ET03) -7.846s
Before 		-113.0 dBm -9.50 dB 3 72 Knb1 MediumFast 2025-12-15 07:18:43 UTC View
PXT_Home (PXT1) -2.756s
Before 		-98.0 dBm 6.75 dB 4 fd BAS2 MediumFast 2025-12-15 07:18:48 UTC View
Karabanchel_Baldur (KarB) -0.695s
Before 		-89.0 dBm 5.00 dB 4 24 vid MediumFast 2025-12-15 07:18:50 UTC View
tizon (Sylv) -0.481s
Before 		-117.0 dBm -8.75 dB 4 24 vid MediumFast 2025-12-15 07:18:51 UTC View
Quixote_JS8_7 (QXT7) +0.019s
After 		-18.0 dBm 11.50 dB 4 - MediumFast 2025-12-15 07:18:51 UTC View
14

Total Receptions

14

Unique Gateways