Packet #17834765 Success

NODEINFO_APP packet from DuCK to eLoRaMesh Base (ELR2)

45
Total Receptions
1
Unique Gateways
2
Hop Count
69
Payload Bytes
Packet Information
Database ID: 17834765
Mesh Packet ID: 0xda97d929
Used for correlation across gateways
Timestamp: 2026-03-27 11:19:09 UTC
From Node: DuCK (9c30)
To Node: eLoRaMesh Base (ELR2)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: kwarc.org 5ff0 (KW5)
Channel: LongFast
RSSI: -94 dBm
SNR: 10.5 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded: Yes
Decoded Data:
Long Name:DuCK
Short Name:DuCK
Node ID:!433d9c30
MAC Address:SMpDPZww
Hardware:HELTEC_V3
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:69 bytes
Gateway:!a3fb5ff0
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:2 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a3fb5ff0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (69 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128111152
Source node ID 		uint32
to 861939080
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 69 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -94.0 dBm
Signal strength at gateway 		int32
rx_snr 10.50 dB
Signal quality at gateway 		float
rx_time 1774610348
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 1774610349.5436282
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
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a3fb5ff0
Signal Metrics: RSSI: -94.0 dBm
SNR: 10.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:69 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433d9c30", "long_name": "DuCK", "short_name": "DuCK", "macaddr": "SMpDPZww", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a3fb5ff0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128111152, "to": 861939080, "id": 3667384617, "rx_time": 1774610348, "rx_snr": 10.5, "rx_rssi": -94, "hop_limit": 3, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333643963333012044475434b1a044475434b220648ca433d9c30282b42208a6f3ec2dfe61117a5f6a19379ba8c4e4443e19cfcfe390085788785205b714f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433d9c30", "long_name": "DuCK", "short_name": "DuCK", "macaddr": "SMpDPZww", "hw_model": "HELTEC_V3", "public_key": "im8+wt/mERel9qGTebqMTkRD4Zz8/jkAhXiHhSBbcU8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (69 bytes)
0a0921343333643963333012044475434b1a044475434b220648ca433d9c30282b42208a6f3ec2dfe61117a5f6a19379ba8c4e4443e19cfcfe390085788785205b714f4800
Hex Analysis:
Size:69 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
kwarc.org 5ff0 (KW5) Primary 0.000s
Reference 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC Current
kwarc.org 5ff0 (KW5) -0.026s
Before 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.025s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.052s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.073s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.093s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.117s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.149s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.175s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.203s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.234s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.259s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.287s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.318s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.347s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.377s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.404s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.427s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.454s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:09 UTC View
kwarc.org 5ff0 (KW5) +0.482s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.513s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.534s
After 		-94.0 dBm 10.50 dB 2 - MediumFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.571s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.600s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.628s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.654s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.683s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.712s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.741s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.772s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.809s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.838s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.864s
After 		-94.0 dBm 10.50 dB 2 - ShortFast 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.890s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.917s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.947s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +0.974s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.002s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.029s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.058s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.085s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.111s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.138s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.165s
After 		-94.0 dBm 10.50 dB 2 - ShortTurbo 2026-03-27 11:19:10 UTC View
kwarc.org 5ff0 (KW5) +1.193s
After 		-94.0 dBm 10.50 dB 2 - LongFast 2026-03-27 11:19:10 UTC View
45

Total Receptions

1

Unique Gateways