Packet #28271609 Success

NODEINFO_APP packet from Madrigueras🗼🌞 (HIR3) to Meshtastic 982c (982c)

6
Total Receptions
6
Unique Gateways
1
Hop Count
84
Payload Bytes
Packet Information
Database ID: 28271609
Mesh Packet ID: 0xa5dc6aa1
Used for correlation across gateways
Timestamp: 2025-12-17 13:19:02 UTC
From Node: Madrigueras🗼🌞 (HIR3)
To Node: Meshtastic 982c (982c)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: San_Pablo🗼 (SP00)
Channel: MediumFast
RSSI: -121 dBm
SNR: -13.25 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: a4 📍 , NOD4
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 84 bytes
Decoded: Yes
Decoded Data:
Long Name:Madrigueras🗼🌞
Short Name:HIR3
Node ID:!676205e5
MAC Address:++ZnYgXl
Hardware:NRF52_PROMICRO_DIY
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:84 bytes
Gateway:!db2b5848
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 7
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 (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db2b5848
Node ID format
channel_id MediumFast
packet MeshPacket (84 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1734477285
Source node ID 		uint32
to 3677001772
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 84 bytes size
hop_limit 6
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -13.25 dB
Signal quality at gateway 		float
rx_time 1765977540
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 164
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765977542.9331412
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db2b5848
Signal Metrics: RSSI: -121.0 dBm
SNR: -13.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:84 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!676205e5", "long_name": "Madrigueras🗼🌞", "short_name": "HIR3", "macaddr": "++ZnYgXl", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2b5848", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1734477285, "to": 3677001772, "id": 2782685857, "rx_time": 1765977540, "rx_snr": -13.25, "rx_rssi": -121, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 164, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921363736323035653512134d61647269677565726173f09f97bcf09f8c9e1a04484952332206fbe6676205e5283f380c422068174189bd868e1ade9a203e4c4c73b721571a17a9ba6b7e44499d5038e27878", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!676205e5", "long_name": "Madrigueras🗼🌞", "short_name": "HIR3", "macaddr": "++ZnYgXl", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_BASE", "public_key": "aBdBib2GjhremiA+TExztyFXGhepumt+REmdUDjieHg=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (84 bytes)
0a0921363736323035653512134d61647269677565726173f09f97bcf09f8c9e1a04484952332206fbe6676205e5283f380c422068174189bd868e1ade9a203e4c4c73b721571a17a9ba6b7e44499d5038e27878
Hex Analysis:
Size:84 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 Relay Channel Timestamp Actions
San_Pablo🗼 (SP00) Primary 0.000s
Reference 		-121.0 dBm -13.25 dB 1 a4 📍 , NOD4 MediumFast 2025-12-17 13:19:02 UTC Current
EAL Station 1 🗼🌐 (EAL1) -0.976s
Before 		-113.0 dBm -7.75 dB 1 a4 📍 , NOD4 MediumFast 2025-12-17 13:19:01 UTC View
EA5WA TRASTERO (WA01) -0.011s
Before 		-112.0 dBm -7.50 dB 1 a4 📍 , NOD4 MediumFast 2025-12-17 13:19:02 UTC View
NarKT3S3📡 (NKT3) +1.491s
After 		-89.0 dBm 9.50 dB 4 2a GNS0 MediumFast 2025-12-17 13:19:04 UTC View
JP Terraza (JPT1) +1.913s
After 		-104.0 dBm 4.75 dB 4 4c MediumFast 2025-12-17 13:19:04 UTC View
Karman’s HeltecV4 Beta (KHV4) +3.920s
After 		-61.0 dBm 7.50 dB 7 cd KSSS MediumFast 2025-12-17 13:19:06 UTC View
6

Total Receptions

6

Unique Gateways