Packet #12591557 Success

NODEINFO_APP packet from EC4TR Pedrezuela (b76a) to !ffffffff

17
Total Receptions
17
Unique Gateways
3
Hop Count
81
Payload Bytes
Packet Information
Database ID: 12591557
Mesh Packet ID: 0x3f415690
Used for correlation across gateways
Timestamp: 2025-09-28 12:28:23 UTC
From Node: EC4TR Pedrezuela (b76a)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Arganda C191 🌐 (ARG)
Channel: MediumSlow
RSSI: -114 dBm
SNR: -4.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:EC4TR Pedrezuela
Short Name:b76a
Node ID:!9e3db76a
MAC Address:yjaePbdq
Hardware:RAK4631
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:!9ee79500
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ee79500
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 2654844778
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 81 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -114.0 dBm
Signal strength at gateway 		int32
rx_snr -4.25 dB
Signal quality at gateway 		float
rx_time 1759062502
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 Not set uint32
tx_after Not set uint32
timestamp 1759062503.7658916
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ee79500
Signal Metrics: RSSI: -114.0 dBm
SNR: -4.25 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": "!9e3db76a", "long_name": "EC4TR Pedrezuela", "short_name": "b76a", "macaddr": "yjaePbdq", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ee79500", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2654844778, "to": 4294967295, "id": 1061246608, "rx_time": 1759062502, "rx_snr": -4.25, "rx_rssi": -114, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213965336462373661121045433454522050656472657a75656c611a04623736612206ca369e3db76a28094220f062caeb2ba69010bc230f8e4a491ef27d32f30510eca91dfa76dd4f64fc6e4c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9e3db76a", "long_name": "EC4TR Pedrezuela", "short_name": "b76a", "macaddr": "yjaePbdq", "hw_model": "RAK4631", "public_key": "8GLK6yumkBC8Iw+OSkke8n0y8wUQ7Kkd+nbdT2T8bkw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a09213965336462373661121045433454522050656472657a75656c611a04623736612206ca369e3db76a28094220f062caeb2ba69010bc230f8e4a491ef27d32f30510eca91dfa76dd4f64fc6e4c4800
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
Arganda C191 🌐 (ARG) Primary 0.000s
Reference 		-114.0 dBm -4.25 dB 3 MediumSlow 2025-09-28 12:28:23 Current
Venturada2🗼🌐☀️ (Vb2) -50.095s
Before 		-83.0 dBm -1.75 dB 0 MediumSlow 2025-09-28 12:27:33 View
Will - Azuqueca (WAzq) -48.176s
Before 		-109.0 dBm -1.25 dB 1 MediumSlow 2025-09-28 12:27:35 View
Machu Pichu (MaPi) -47.887s
Before 		-96.0 dBm 1.75 dB 1 MediumSlow 2025-09-28 12:27:35 View
Meshtastic 1760 (1760) -47.853s
Before 		-126.0 dBm -8.75 dB 1 MediumSlow 2025-09-28 12:27:35 View
Rodashtastic🗼🌐 (RDSt) -47.848s
Before 		-115.0 dBm -6.25 dB 1 MediumSlow 2025-09-28 12:27:35 View
Gnomoazul (Gnaz) -47.837s
Before 		-119.0 dBm -9.25 dB 1 MediumSlow 2025-09-28 12:27:35 View
g1bal (g1b0) -47.287s
Before 		-102.0 dBm 3.50 dB 1 MediumSlow 2025-09-28 12:27:36 View
TO_Cala_Base2🗼🌐☀️ (33C8) -47.011s
Before 		-113.0 dBm -11.75 dB 2 MediumSlow 2025-09-28 12:27:36 View
Mec Rocket Meco (MRM) -46.934s
Before 		-113.0 dBm -10.50 dB 2 MediumSlow 2025-09-28 12:27:36 View
Kenobi23 QTH (5aec) -46.799s
Before 		-98.0 dBm Unknown 1 MediumSlow 2025-09-28 12:27:36 View
[TLG] 📡🌐🔋🔌 (tlg0) -46.205s
Before 		-110.0 dBm -6.75 dB 2 MediumSlow 2025-09-28 12:27:37 View
Baldur Fijo (BalF) -46.178s
Before 		-114.0 dBm -4.00 dB 2 MediumSlow 2025-09-28 12:27:37 View
Monolito (MoN) -44.929s
Before 		-70.0 dBm 8.00 dB 2 MediumSlow 2025-09-28 12:27:38 View
Alma Tracker (AGPS) -44.694s
Before 		-54.0 dBm 11.75 dB 3 MediumSlow 2025-09-28 12:27:39 View
Meshtastic 18a4 (18a4) -42.885s
Before 		-112.0 dBm -4.50 dB 3 MediumSlow 2025-09-28 12:27:40 View
Naranjo C191 🌐 (FNL) -2.228s
Before 		-119.0 dBm -10.75 dB 2 MediumSlow 2025-09-28 12:28:21 View
17

Total Receptions

17

Unique Gateways