Packet #13808455 Success

NODEINFO_APP packet from LM25_Cañaveral_v4 🛰 (🛰) to Poly Solar (SPV)

15
Total Receptions
15
Unique Gateways
0
Hop Count
88
Payload Bytes
Packet Information
Database ID: 13808455
Mesh Packet ID: 0xda046817
Used for correlation across gateways
Timestamp: 2025-10-06 03:43:04 UTC
From Node: LM25_Cañaveral_v4 🛰 (🛰)
To Node: Poly Solar (SPV)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -124 dBm
SNR: -15.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
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:!da638a24
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 !da638a24
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 2295070368
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 88 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 -124.0 dBm
Signal strength at gateway 		int32
rx_snr -15.25 dB
Signal quality at gateway 		float
rx_time 1759722182
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 148
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759722184.2371953
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: !da638a24
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -124.0 dBm
SNR: -15.25 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": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997343380, "to": 2295070368, "id": 3657721879, "rx_time": 1759722182, "rx_snr": -15.25, "rx_rssi": -124, "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": 148, "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
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-124.0 dBm -15.25 dB 0 MediumSlow 2025-10-06 03:43:04 Current
GRN1-Base🗼🌐 (GRN1) +3.575s
After 		-100.0 dBm -0.50 dB 2 MediumSlow 2025-10-06 03:43:07 View
Mec Rocket Meco (MRM) +4.094s
After 		-118.0 dBm -14.75 dB 3 MediumSlow 2025-10-06 03:43:08 View
tizon (Sylv) +4.820s
After 		-112.0 dBm -4.00 dB 3 MediumSlow 2025-10-06 03:43:09 View
Oxygen EA4HKU (O) +4.828s
After 		-107.0 dBm -0.50 dB 3 MediumSlow 2025-10-06 03:43:09 View
Venturada2🗼🌐☀️ (Vb2) +4.835s
After 		-98.0 dBm -9.25 dB 3 MediumSlow 2025-10-06 03:43:09 View
Carbon EA4HKU (C) +5.028s
After 		-108.0 dBm 1.25 dB 3 MediumSlow 2025-10-06 03:43:09 View
Meshtastic 18a4 (18a4) +5.120s
After 		-124.0 dBm -13.75 dB 3 MediumSlow 2025-10-06 03:43:09 View
Suop 📡 🌐 (SUOP) +5.129s
After 		-118.0 dBm -8.25 dB 3 MediumSlow 2025-10-06 03:43:09 View
Kenobi23 QTH (5aec) +5.265s
After 		-98.0 dBm -4.50 dB 3 MediumSlow 2025-10-06 03:43:09 View
Meshtastic 1760 (1760) +5.355s
After 		Unknown Unknown 4 MediumSlow 2025-10-06 03:43:09 View
Villalbilla02 (VBV2) +5.553s
After 		-123.0 dBm -13.25 dB 3 MediumSlow 2025-10-06 03:43:09 View
Aldinra_1640_🗼_🌐 (AldB) +6.487s
After 		-93.0 dBm 7.75 dB 4 MediumSlow 2025-10-06 03:43:10 View
g1bal (g1b0) +7.728s
After 		-104.0 dBm -1.75 dB 4 MediumSlow 2025-10-06 03:43:11 View
Kenobi23 movil (5672) +9.322s
After 		-120.0 dBm -11.75 dB 4 MediumSlow 2025-10-06 03:43:13 View
15

Total Receptions

15

Unique Gateways