Packet #39509264 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: 39509264
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 1778922641.6774323
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) -0.515s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.327s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.112s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.068s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) -0.034s
Before
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.032s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.061s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.091s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.115s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.143s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.307s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:41 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.406s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.429s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +0.913s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +1.023s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:42 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +1.451s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:43 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.301s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:43 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.372s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.481s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.506s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.892s
After
Unknown Unknown 0 e5 CEB1 MediumFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.960s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +2.980s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.002s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:44 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.358s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.402s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.423s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.447s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.471s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.560s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.965s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +3.988s
After
Unknown Unknown 0 e5 CEB1 ShortFast 2026-05-16 09:10:45 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.356s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.805s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +4.965s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.092s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.118s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.247s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.270s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.296s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:46 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.349s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.399s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.423s
After
Unknown Unknown 0 e5 CEB1 ShortTurbo 2026-05-16 09:10:47 UTC View
Meshtastic Central Elgin Base Node 1 (CEB1) +5.447s
After
Unknown Unknown 0 e5 CEB1 LongFast 2026-05-16 09:10:47 UTC View
45

Total Receptions

1

Unique Gateways