Packet #13927534 Success

NODEINFO_APP packet from LM25_Cañaveral_v4 🛰 (🛰) to MeshMadrid 00 🗼☀️ 🌐 (MM00)

14
Total Receptions
14
Unique Gateways
4
Hop Count
88
Payload Bytes
Packet Information
Database ID: 13927534
Mesh Packet ID: 0x5919107b
Used for correlation across gateways
Timestamp: 2025-10-06 23:44:45 UTC
From Node: LM25_Cañaveral_v4 🛰 (🛰)
To Node: MeshMadrid 00 🗼☀️ 🌐 (MM00)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Zion 🗼 (Zion)
Channel: MediumSlow
RSSI: -108 dBm
SNR: -5.25 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
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:!849c2e30
Channel:MediumSlow
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 !849c2e30
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 845846678
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 88 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 -108.0 dBm
Signal strength at gateway 		int32
rx_snr -5.25 dB
Signal quality at gateway 		float
rx_time 1759794285
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 86
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759794285.7121694
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: !849c2e30
Signal Metrics: RSSI: -108.0 dBm
SNR: -5.25 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": "!849c2e30", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997343380, "to": 845846678, "id": 1494814843, "rx_time": 1759794285, "rx_snr": -5.25, "rx_rssi": -108, "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": 86, "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
Zion 🗼 (Zion) Primary 0.000s
Reference 		-108.0 dBm -5.25 dB 4 MediumSlow 2025-10-06 23:44:45 Current
[TLG] 📡🌐🔋🔌 (tlg0) -5.581s
Before 		-116.0 dBm -7.25 dB 1 MediumSlow 2025-10-06 23:44:40 View
Venturada2🗼🌐☀️ (Vb2) -4.341s
Before 		-88.0 dBm 6.50 dB 2 MediumSlow 2025-10-06 23:44:41 View
Mec Rocket Meco (MRM) -4.226s
Before 		-108.0 dBm -5.25 dB 2 MediumSlow 2025-10-06 23:44:41 View
GRN1-Base🗼🌐 (GRN1) -2.510s
Before 		-101.0 dBm -3.25 dB 3 MediumSlow 2025-10-06 23:44:43 View
Machu Pichu (MaPi) -2.107s
Before 		-103.0 dBm -6.75 dB 3 MediumSlow 2025-10-06 23:44:43 View
Monolito (MoN) -1.070s
Before 		-68.0 dBm 8.50 dB 4 MediumSlow 2025-10-06 23:44:44 View
Meshtastic 1760 (1760) -0.751s
Before 		-120.0 dBm -4.00 dB 4 MediumSlow 2025-10-06 23:44:44 View
Meshtastic 18a4 (18a4) -0.746s
Before 		-126.0 dBm -13.75 dB 4 MediumSlow 2025-10-06 23:44:44 View
Oxygen EA4HKU (O) -0.223s
Before 		-115.0 dBm -11.25 dB 4 MediumSlow 2025-10-06 23:44:45 View
Carbon EA4HKU (C) +0.054s
After 		-107.0 dBm 3.00 dB 4 MediumSlow 2025-10-06 23:44:45 View
Ocumare_Base_🗼🌐 (CATA) +4.150s
After 		-98.0 dBm -2.25 dB 4 MediumSlow 2025-10-06 23:44:49 View
tizon (Sylv) +9.826s
After 		-126.0 dBm -16.75 dB 4 MediumSlow 2025-10-06 23:44:55 View
Baldur Fijo (BalF) +10.052s
After 		-105.0 dBm -2.00 dB 4 MediumSlow 2025-10-06 23:44:55 View
14

Total Receptions

14

Unique Gateways