Packet #39509266 Success

NODEINFO_APP packet from Meshtastic Central Elgin Base Node 1 (CEB1) to kwarc.org 5ff0 (KW5)

45
Total Receptions
1
Unique Gateways
0
Hop Count
103
Payload Bytes
Packet Information
Database ID: 39509266
Mesh Packet ID: 0xd1577436
Used for correlation across gateways
Timestamp: 2026-05-16 09:10:41 UTC
From Node: Meshtastic Central Elgin Base Node 1 (CEB1)
To Node: kwarc.org 5ff0 (KW5)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic Central Elgin Base Node 1 (CEB1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: e5 CEB1
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: 103 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic Central Elgin Base Node 1
Short Name:CEB1
Node ID:!eb46a2e5
MAC Address:uCfrRqLl
Hardware:PORTDUINO
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:103 bytes
Gateway:!eb46a2e5
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !eb46a2e5
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (103 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3947274981
Source node ID
uint32
to 2751160304
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 103 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778922636
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 229
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778922641.738642
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !eb46a2e5
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:103 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!eb46a2e5", "long_name": "Meshtastic Central Elgin Base Node 1", "short_name": "CEB1", "macaddr": "uCfrRqLl", "hw_model": "PORTDUINO" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!eb46a2e5", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3947274981, "to": 2751160304, "id": 3512169526, "rx_time": 1778922636, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 229, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921656234366132653512244d6573687461737469632043656e7472616c20456c67696e2042617365204e6f646520311a04434542312206b827eb46a2e52825380c4220514a4cd440fc3bb0485ac91082cc63d5607117ea55d9b8aea4af4b81136775714800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!eb46a2e5", "long_name": "Meshtastic Central Elgin Base Node 1", "short_name": "CEB1", "macaddr": "uCfrRqLl", "hw_model": "PORTDUINO", "role": "CLIENT_BASE", "public_key": "UUpM1ED8O7BIWskQgsxj1WBxF+pV2biupK9LgRNndXE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (103 bytes)
0a0921656234366132653512244d6573687461737469632043656e7472616c20456c67696e2042617365204e6f646520311a04434542312206b827eb46a2e52825380c4220514a4cd440fc3bb0485ac91082cc63d5607117ea55d9b8aea4af4b81136775714800
Hex Analysis:
Size:103 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...

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
Meshtastic Central Elgin Base Node 1 (CEB1) Primary 0.000s
Reference
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC Current
Meshtastic Central Elgin Base Node 1 (CEB1) -0.576s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.388s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.174s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.129s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.096s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.061s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.029s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.030s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.054s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.081s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.246s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.345s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.368s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.851s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.962s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +1.389s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:43 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.240s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:43 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.311s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.420s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.445s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.831s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.899s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.919s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.941s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.297s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.340s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.361s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.386s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.410s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.499s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.904s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.927s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.295s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.744s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.903s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.030s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.057s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.185s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.209s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.235s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.288s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.337s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.362s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.385s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:47 UTC View
45

Total Receptions

1

Unique Gateways