Packet #10590239 Success

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

20
Total Receptions
20
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 10590239
Mesh Packet ID: 0x928499f3
Used for correlation across gateways
Timestamp: 2025-09-14 17:37:41 UTC
From Node: SkG@Tracker 📱 (SkGT)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SkG@Somewhere 🤨 (SkGs)
Channel: MediumSlow
RSSI: -19 dBm
SNR: 8.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
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:!db29e6a8
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db29e6a8
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 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -19.0 dBm
Signal strength at gateway 		int32
rx_snr 8.25 dB
Signal quality at gateway 		float
rx_time 1757871461
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 56
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757871461.998528
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db29e6a8
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -19.0 dBm
SNR: 8.25 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": "!db29e6a8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1555771960, "to": 1129719940, "id": 2458163699, "rx_time": 1757871461, "rx_snr": 8.25, "rx_rssi": -19, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 56, "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
SkG@Somewhere 🤨 (SkGs) Primary 0.000s
Reference 		-19.0 dBm 8.25 dB 0 MediumSlow 2025-09-14 17:37:41 Current
SkG@Home 📡🌐 (SkGH) +1.115s
After 		-43.0 dBm 8.75 dB 0 MediumSlow 2025-09-14 17:37:43 View
Perseo 📡 🌐 (nvm1) +2.007s
After 		-103.0 dBm -7.50 dB 2 MediumSlow 2025-09-14 17:37:44 View
Will - Azuqueca (WAzq) +4.150s
After 		-112.0 dBm -13.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Tlgo 📡🌐🔋🔌 (TLG0) +4.153s
After 		-109.0 dBm -7.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Venturada2🗼🌐☀️ (Vb2) +4.156s
After 		-97.0 dBm -2.75 dB 3 MediumSlow 2025-09-14 17:37:46 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +4.395s
After 		-111.0 dBm Unknown 3 MediumSlow 2025-09-14 17:37:46 View
Venturada base🗼🌐 (Vb) +4.440s
After 		-88.0 dBm 8.25 dB 3 MediumSlow 2025-09-14 17:37:46 View
Rodashtastic🗼🌐 (RDSt) +4.444s
After 		-113.0 dBm -5.50 dB 3 MediumSlow 2025-09-14 17:37:46 View
GRN1-Base🗼🌐 (GRN1) +4.488s
After 		-98.0 dBm 6.00 dB 3 MediumSlow 2025-09-14 17:37:46 View
Raor🐟 (PMI) +4.539s
After 		-110.0 dBm -9.50 dB 3 MediumSlow 2025-09-14 17:37:46 View
Villalbilla02 (VBV2) +4.642s
After 		-116.0 dBm -6.00 dB 3 MediumSlow 2025-09-14 17:37:46 View
Meshtastic fbec (fbec) +5.043s
After 		-127.0 dBm -6.50 dB 3 MediumSlow 2025-09-14 17:37:47 View
Meshtastic 1760 (1760) +5.059s
After 		-123.0 dBm -6.50 dB 3 MediumSlow 2025-09-14 17:37:47 View
Monolito (7960) +5.623s
After 		-64.0 dBm 8.00 dB 4 MediumSlow 2025-09-14 17:37:47 View
Mec Rocket Meco (MRM) +5.777s
After 		-35.0 dBm 9.75 dB 4 MediumSlow 2025-09-14 17:37:47 View
MeshPrepper (MP) +6.452s
After 		-124.0 dBm -16.75 dB 4 MediumSlow 2025-09-14 17:37:48 View
Meshtastic 53fc (53fc) +6.989s
After 		-119.0 dBm -5.50 dB 4 MediumSlow 2025-09-14 17:37:48 View
Meshtastic 18a4 (18a4) +7.295s
After 		-60.0 dBm 11.50 dB 4 MediumSlow 2025-09-14 17:37:49 View
Ocumare_Base_🗼🌐 (CATA) +7.877s
After 		-85.0 dBm 6.75 dB 4 MediumSlow 2025-09-14 17:37:49 View
20

Total Receptions

20

Unique Gateways