Packet #14313404 Success

NODEINFO_APP packet from LM25_Cañaveral_v4 🛰 (🛰) to Meshtastic 299b (299b)

22
Total Receptions
22
Unique Gateways
2
Hop Count
88
Payload Bytes
Packet Information
Database ID: 14313404
Mesh Packet ID: 0xc75e4b90
Used for correlation across gateways
Timestamp: 2025-10-09 05:44:31 UTC
From Node: LM25_Cañaveral_v4 🛰 (🛰)
To Node: Meshtastic 299b (299b)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Ethan QTH Parla (ETCS)
Channel: MediumSlow
RSSI: -123 dBm
SNR: -13.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:LM25_Cañaveral_v4 🛰
Short Name:🛰
Node ID:!b2a7d494
MAC Address:gPGyp9SU
Hardware:HELTEC_V4
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:88 bytes
Gateway:!b03c556c
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:2 / 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 (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03c556c
Node ID format
channel_id MediumSlow
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997343380
Source node ID 		uint32
to 305605019
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 88 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -123.0 dBm
Signal strength at gateway 		int32
rx_snr -13.50 dB
Signal quality at gateway 		float
rx_time 1759988670
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 132
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759988671.7924
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: !b03c556c
Signal Metrics: RSSI: -123.0 dBm
SNR: -13.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b2a7d494", "long_name": "LM25_Cañaveral_v4 🛰", "short_name": "🛰", "macaddr": "gPGyp9SU", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03c556c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997343380, "to": 305605019, "id": 3344845712, "rx_time": 1759988670, "rx_snr": -13.5, "rx_rssi": -123, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 132, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921623261376434393412174c4d32355f4361c3b161766572616c5f763420f09f9bb01a04f09f9bb0220680f1b2a7d494286e42201da44f3ac42e8f1022dadd7b9383048b945498b56956b07e91641f9593e671504800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b2a7d494", "long_name": "LM25_Cañaveral_v4 🛰", "short_name": "🛰", "macaddr": "gPGyp9SU", "hw_model": "HELTEC_V4", "public_key": "HaRPOsQujxAi2t17k4MEi5RUmLVpVrB+kWQflZPmcVA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a0921623261376434393412174c4d32355f4361c3b161766572616c5f763420f09f9bb01a04f09f9bb0220680f1b2a7d494286e42201da44f3ac42e8f1022dadd7b9383048b945498b56956b07e91641f9593e671504800
Hex Analysis:
Size:88 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
Ethan QTH Parla (ETCS) Primary 0.000s
Reference 		-123.0 dBm -13.50 dB 2 MediumSlow 2025-10-09 05:44:31 Current
[TLG] 📡🌐🔋🔌 (tlg0) -3.394s
Before 		-118.0 dBm -9.50 dB 0 MediumSlow 2025-10-09 05:44:28 View
Karabanchel_Baldur (KarB) -0.337s
Before 		-100.0 dBm -10.50 dB 2 MediumSlow 2025-10-09 05:44:31 View
Mec Rocket Meco (MRM) -0.334s
Before 		-92.0 dBm 5.25 dB 2 MediumSlow 2025-10-09 05:44:31 View
Will - Azuqueca (WAzq) -0.332s
Before 		-112.0 dBm -10.75 dB 2 MediumSlow 2025-10-09 05:44:31 View
Venturada2🗼🌐☀️ (Vb2) -0.329s
Before 		-87.0 dBm 5.75 dB 2 MediumSlow 2025-10-09 05:44:31 View
Rodashtastic🗼🌐 (RDSt) -0.027s
Before 		-121.0 dBm -14.25 dB 2 MediumSlow 2025-10-09 05:44:31 View
tizon (Sylv) -0.024s
Before 		-128.0 dBm -17.25 dB 2 MediumSlow 2025-10-09 05:44:31 View
Meshtastic 1760 (1760) -0.005s
Before 		-127.0 dBm -9.50 dB 2 MediumSlow 2025-10-09 05:44:31 View
GRN1-Base🗼🌐 (GRN1) -0.003s
Before 		-88.0 dBm 5.75 dB 2 MediumSlow 2025-10-09 05:44:31 View
Glitchs Azuqueca 📡 (GltA) +0.003s
After 		-121.0 dBm -9.25 dB 2 MediumSlow 2025-10-09 05:44:31 View
Meshtastic 18a4 (18a4) +0.337s
After 		Unknown Unknown 3 MediumSlow 2025-10-09 05:44:32 View
XiaoWatt c4c8 🌐🔌 (c4c8) +0.551s
After 		-98.0 dBm 1.25 dB 3 MediumSlow 2025-10-09 05:44:32 View
Machu Pichu (MaPi) +0.764s
After 		-98.0 dBm Unknown 3 MediumSlow 2025-10-09 05:44:32 View
Quass001 ☄️ (Q001) +0.898s
After 		-110.0 dBm -8.75 dB 3 MediumSlow 2025-10-09 05:44:32 View
Quass002 ☄️ (Q002) +1.122s
After 		Unknown Unknown 4 MediumSlow 2025-10-09 05:44:32 View
🌐Charly Unid Movil🛰 (C181) +1.162s
After 		-109.0 dBm -7.75 dB 3 MediumSlow 2025-10-09 05:44:32 View
Oxygen EA4HKU (O) +1.298s
After 		-105.0 dBm -1.50 dB 3 MediumSlow 2025-10-09 05:44:33 View
Carbon EA4HKU (C) +1.516s
After 		-108.0 dBm 2.75 dB 3 MediumSlow 2025-10-09 05:44:33 View
Suop 📡 🌐 (SUOP) +1.625s
After 		-111.0 dBm -0.75 dB 3 MediumSlow 2025-10-09 05:44:33 View
g1bal (g1b0) +4.566s
After 		-104.0 dBm -7.00 dB 4 MediumSlow 2025-10-09 05:44:36 View
Ortem 🚀 2b88 (2b88) +660.969s
After 		-113.0 dBm -8.00 dB 3 MediumSlow 2025-10-09 05:55:32 View
22

Total Receptions

22

Unique Gateways