Packet #13468200 Success

NODEINFO_APP packet from myounges (msy) to Zrkt

24
Total Receptions
17
Unique Gateways
4
Hop Count
70
Payload Bytes
Packet Information
Database ID: 13468200
Mesh Packet ID: 0x51d1be64
Used for correlation across gateways
Timestamp: 2025-10-03 22:26:05 UTC
From Node: myounges (msy)
To Node: Zrkt (0424)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: -125 dBm
SNR: -14.75 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 70 bytes
Decoded: Yes
Decoded Data:
Long Name:myounges
Short Name:msy
Node ID:!e0ce2790
MAC Address:CPngzieQ
Hardware:HELTEC_V2_1
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:70 bytes
Gateway:!c0c318a4
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 5
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 !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (70 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3771606928
Source node ID 		uint32
to 1819542564
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 70 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -125.0 dBm
Signal strength at gateway 		int32
rx_snr -14.75 dB
Signal quality at gateway 		float
rx_time 1759530439
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 245
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759530365.798866
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: !c0c318a4
Signal Metrics: RSSI: -125.0 dBm
SNR: -14.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:70 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!e0ce2790", "long_name": "myounges", "short_name": "msy", "macaddr": "CPngzieQ", "hw_model": "HELTEC_V2_1" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3771606928, "to": 1819542564, "id": 1372700260, "rx_time": 1759530439, "rx_snr": -14.75, "rx_rssi": -125, "hop_limit": 1, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 245, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921653063653237393012086d796f756e6765731a036d7379220608f9e0ce2790280a4220ad9b801d9be7350f6cb410c87e2d051c349320d6b1a5abab3df1908c3ec4b074", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!e0ce2790", "long_name": "myounges", "short_name": "msy", "macaddr": "CPngzieQ", "hw_model": "HELTEC_V2_1", "public_key": "rZuAHZvnNQ9stBDIfi0FHDSTINaxpaurPfGQjD7EsHQ=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (70 bytes)
0a0921653063653237393012086d796f756e6765731a036d7379220608f9e0ce2790280a4220ad9b801d9be7350f6cb410c87e2d051c349320d6b1a5abab3df1908c3ec4b074
Hex Analysis:
Size:70 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 18a4 (18a4) Primary 0.000s
Reference 		-125.0 dBm -14.75 dB 4 MediumSlow 2025-10-03 22:26:05 Current
Glitchs Azuqueca 📡 (GltA) -18.361s
Before 		-127.0 dBm -14.75 dB 1 MediumSlow 2025-10-03 22:25:47 View
Venturada2🗼🌐☀️ (Vb2) -2.053s
Before 		-96.0 dBm 1.25 dB 2 MediumSlow 2025-10-03 22:26:03 View
Mec Rocket Meco (MRM) -2.041s
Before 		-82.0 dBm 8.50 dB 2 MediumSlow 2025-10-03 22:26:03 View
Machu Pichu (MaPi) -1.182s
Before 		-104.0 dBm -7.50 dB 3 MediumSlow 2025-10-03 22:26:04 View
GRN1-Base🗼🌐 (GRN1) -1.121s
Before 		-90.0 dBm 4.00 dB 3 MediumSlow 2025-10-03 22:26:04 View
Arganda C191 🌐 (ARG) -1.078s
Before 		-120.0 dBm -9.50 dB 3 MediumSlow 2025-10-03 22:26:04 View
Villalbilla02 (VBV2) -1.051s
Before 		-109.0 dBm Unknown 3 MediumSlow 2025-10-03 22:26:04 View
Monolito (MoN) -0.620s
Before 		-66.0 dBm 8.00 dB 4 MediumSlow 2025-10-03 22:26:05 View
Meshtastic 1760 (1760) +0.003s
After 		-122.0 dBm -3.75 dB 4 MediumSlow 2025-10-03 22:26:05 View
[TLG] 📡🌐🔋🔌 (tlg0) +1.624s
After 		-111.0 dBm -3.50 dB 3 MediumSlow 2025-10-03 22:26:07 View
Zion 🗼 (Zion) +1.925s
After 		-103.0 dBm -5.50 dB 5 MediumSlow 2025-10-03 22:26:07 View
Vaguada Portable (Vgda) +2.790s
After 		-107.0 dBm -4.50 dB 4 MediumSlow 2025-10-03 22:26:08 View
Naranjo C191 🌐 (FNL) +2.952s
After 		-116.0 dBm -7.50 dB 4 MediumSlow 2025-10-03 22:26:08 View
g1bal (g1b0) +3.059s
After 		-107.0 dBm -8.75 dB 5 MediumSlow 2025-10-03 22:26:08 View
tizon (Sylv) +6.863s
After 		-99.0 dBm 6.50 dB 4 MediumSlow 2025-10-03 22:26:12 View
Kenobi23 QTH (5aec) +72.380s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:18 View
Kenobi23 QTH (5aec) +75.379s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:21 View
Kenobi23 QTH (5aec) +78.393s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:24 View
Kenobi23 QTH (5aec) +81.390s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:27 View
Kenobi23 QTH (5aec) +83.394s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:29 View
Kenobi23 QTH (5aec) +85.396s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:31 View
Kenobi23 QTH (5aec) +87.400s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:33 View
Kenobi23 QTH (5aec) +89.402s
After 		-99.0 dBm 1.75 dB 4 MediumSlow 2025-10-03 22:27:35 View
24

Total Receptions

17

Unique Gateways