Packet #17784247 Success

NODEINFO_APP packet from Mechanicus Alpha (M1) to kwarc.org 119c (KW1)

45
Total Receptions
1
Unique Gateways
0
Hop Count
81
Payload Bytes
Packet Information
Database ID: 17784247
Mesh Packet ID: 0x8c034099
Used for correlation across gateways
Timestamp: 2026-03-27 09:11:13 UTC
From Node: Mechanicus Alpha (M1)
To Node: kwarc.org 119c (KW1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 8c M1
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: 81 bytes
Decoded: Yes
Decoded Data:
Long Name:Mechanicus Alpha
Short Name:M1
Node ID:!433e868c
MAC Address:SMpDPoaM
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:81 bytes
Gateway:!433e868c
Channel:MediumFast
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
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id MediumFast
packet MeshPacket (81 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128171148
Source node ID
uint32
to 471208348
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 81 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 1774602648
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774602673.9840522
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !433e868c
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:81 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128171148, "to": 471208348, "id": 2349023385, "rx_time": 1774602648, "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": 140, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433e868c", "long_name": "Mechanicus Alpha", "short_name": "M1", "macaddr": "SMpDPoaM", "hw_model": "HELTEC_V3", "role": "CLIENT_BASE", "public_key": "xO5ohs1gMjja3iG9sNabiZB1NOb9tCrUR/+CnOpnoH8=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (81 bytes)
0a0921343333653836386312104d656368616e6963757320416c7068611a024d31220648ca433e868c282b380c4220c4ee6886cd603238dade21bdb0d69b89907534e6fdb42ad447ff829cea67a07f4801
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
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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
Mechanicus Alpha (M1) Primary 0.000s
Reference
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:13 UTC Current
Mechanicus Alpha (M1) -9.438s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:04 UTC View
Mechanicus Alpha (M1) -7.044s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:06 UTC View
Mechanicus Alpha (M1) -6.968s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:07 UTC View
Mechanicus Alpha (M1) -6.195s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:07 UTC View
Mechanicus Alpha (M1) -5.024s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:08 UTC View
Mechanicus Alpha (M1) -4.525s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:09 UTC View
Mechanicus Alpha (M1) -3.883s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:10 UTC View
Mechanicus Alpha (M1) -0.553s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:13 UTC View
Mechanicus Alpha (M1) +3.881s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:17 UTC View
Mechanicus Alpha (M1) +5.383s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:19 UTC View
Mechanicus Alpha (M1) +5.644s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:19 UTC View
Mechanicus Alpha (M1) +7.457s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:21 UTC View
Mechanicus Alpha (M1) +9.374s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:23 UTC View
Mechanicus Alpha (M1) +9.434s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:23 UTC View
Mechanicus Alpha (M1) +10.203s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:24 UTC View
Mechanicus Alpha (M1) +10.633s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:24 UTC View
Mechanicus Alpha (M1) +12.191s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:26 UTC View
Mechanicus Alpha (M1) +13.216s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) +13.862s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) +13.884s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) +13.907s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) +13.957s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) +14.176s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) +14.315s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) +14.372s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) +14.462s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) +15.076s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.357s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.429s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.551s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.597s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.717s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +15.904s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) +16.239s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +16.377s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +16.526s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +16.812s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +16.876s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +17.119s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +17.213s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +17.464s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +17.611s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +17.764s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +18.131s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:32 UTC View
45

Total Receptions

1

Unique Gateways