Packet #10590261 Success

NODEINFO_APP packet from SkG@Tracker 📱 (SkGT) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

20
Total Receptions
20
Unique Gateways
3
Hop Count
81
Payload Bytes
Packet Information
Database ID: 10590261
Mesh Packet ID: 0x928499f3
Used for correlation across gateways
Timestamp: 2025-09-14 17:37:47 UTC
From Node: SkG@Tracker 📱 (SkGT)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 1760 (1760)
Channel: MediumSlow
RSSI: -123 dBm
SNR: -6.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:SkG@Tracker 📱
Short Name:SkGT
Node ID:!5cbb3238
MAC Address:57dcuzI4
Hardware:TRACKER_T1000_E
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:!c0c31760
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c0c31760
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 1555771960
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 81 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -123.0 dBm
Signal strength at gateway 		int32
rx_snr -6.50 dB
Signal quality at gateway 		float
rx_time 1757871464
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 8
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757871467.057127
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c0c31760
Signal Metrics: RSSI: -123.0 dBm
SNR: -6.50 dB
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": "!5cbb3238", "long_name": "SkG@Tracker 📱", "short_name": "SkGT", "macaddr": "57dcuzI4", "hw_model": "TRACKER_T1000_E" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c31760", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1555771960, "to": 1129719940, "id": 2458163699, "rx_time": 1757871464, "rx_snr": -6.5, "rx_rssi": -123, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092135636262333233381210536b4740547261636b657220f09f93b11a04536b47542206e7b75cbb3238284738014220ed8190caded278186fdda11a694c69525ec385f8b5cb4aec73aac383736d6e26", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!5cbb3238", "long_name": "SkG@Tracker 📱", "short_name": "SkGT", "macaddr": "57dcuzI4", "hw_model": "TRACKER_T1000_E", "role": "CLIENT_MUTE", "public_key": "7YGQyt7SeBhv3aEaaUxpUl7Dhfi1y0rsc6rDg3NtbiY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a092135636262333233381210536b4740547261636b657220f09f93b11a04536b47542206e7b75cbb3238284738014220ed8190caded278186fdda11a694c69525ec385f8b5cb4aec73aac383736d6e26
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
Meshtastic 1760 (1760) Primary 0.000s
Reference 		-123.0 dBm -6.50 dB 3 MediumSlow 2025-09-14 17:37:47 Current
SkG@Somewhere 🤨 (SkGs) -5.059s
Before 		-19.0 dBm 8.25 dB 0 MediumSlow 2025-09-14 17:37:41 View
SkG@Home 📡🌐 (SkGH) -3.943s
Before 		-43.0 dBm 8.75 dB 0 MediumSlow 2025-09-14 17:37:43 View
Perseo 📡 🌐 (nvm1) -3.051s
Before 		-103.0 dBm -7.50 dB 2 MediumSlow 2025-09-14 17:37:44 View
Will - Azuqueca (WAzq) -0.908s
Before 		-112.0 dBm -13.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Tlgo 📡🌐🔋🔌 (TLG0) -0.906s
Before 		-109.0 dBm -7.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Venturada2🗼🌐☀️ (Vb2) -0.903s
Before 		-97.0 dBm -2.75 dB 3 MediumSlow 2025-09-14 17:37:46 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -0.664s
Before 		-111.0 dBm Unknown 3 MediumSlow 2025-09-14 17:37:46 View
Venturada base🗼🌐 (Vb) -0.618s
Before 		-88.0 dBm 8.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Rodashtastic🗼🌐 (RDSt) -0.615s
Before 		-113.0 dBm -5.50 dB 3 MediumSlow 2025-09-14 17:37:46 View
GRN1-Base🗼🌐 (GRN1) -0.571s
Before 		-98.0 dBm 6.00 dB 3 MediumSlow 2025-09-14 17:37:46 View
Raor🐟 (PMI) -0.519s
Before 		-110.0 dBm -9.50 dB 3 MediumSlow 2025-09-14 17:37:46 View
Villalbilla02 (VBV2) -0.416s
Before 		-116.0 dBm -6.00 dB 3 MediumSlow 2025-09-14 17:37:46 View
Meshtastic fbec (fbec) -0.016s
Before 		-127.0 dBm -6.50 dB 3 MediumSlow 2025-09-14 17:37:47 View
Monolito (7960) +0.565s
After 		-64.0 dBm 8.00 dB 4 MediumSlow 2025-09-14 17:37:47 View
Mec Rocket Meco (MRM) +0.719s
After 		-35.0 dBm 9.75 dB 4 MediumSlow 2025-09-14 17:37:47 View
MeshPrepper (MP) +1.394s
After 		-124.0 dBm -16.75 dB 4 MediumSlow 2025-09-14 17:37:48 View
Meshtastic 53fc (53fc) +1.930s
After 		-119.0 dBm -5.50 dB 4 MediumSlow 2025-09-14 17:37:48 View
Meshtastic 18a4 (18a4) +2.236s
After 		-60.0 dBm 11.50 dB 4 MediumSlow 2025-09-14 17:37:49 View
Ocumare_Base_🗼🌐 (CATA) +2.818s
After 		-85.0 dBm 6.75 dB 4 MediumSlow 2025-09-14 17:37:49 View
20

Total Receptions

20

Unique Gateways