Packet #17784850 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: 17784850
Mesh Packet ID: 0x8c034099
Used for correlation across gateways
Timestamp: 2026-03-27 09:11:30 UTC
From Node: Mechanicus Alpha (M1)
To Node: kwarc.org 119c (KW1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: ShortFast
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:ShortFast
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 ShortFast
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 1774602690.8598616
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: ShortFast
  • ✓ 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": "ShortFast", "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 ShortFast 2026-03-27 09:11:30 UTC Current
Mechanicus Alpha (M1) -26.314s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:04 UTC View
Mechanicus Alpha (M1) -23.920s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:06 UTC View
Mechanicus Alpha (M1) -23.844s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:07 UTC View
Mechanicus Alpha (M1) -23.071s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:07 UTC View
Mechanicus Alpha (M1) -21.900s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:08 UTC View
Mechanicus Alpha (M1) -21.401s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:09 UTC View
Mechanicus Alpha (M1) -20.759s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:10 UTC View
Mechanicus Alpha (M1) -17.429s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:13 UTC View
Mechanicus Alpha (M1) -16.876s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:13 UTC View
Mechanicus Alpha (M1) -12.994s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:17 UTC View
Mechanicus Alpha (M1) -11.493s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:19 UTC View
Mechanicus Alpha (M1) -11.232s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:19 UTC View
Mechanicus Alpha (M1) -9.419s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:21 UTC View
Mechanicus Alpha (M1) -7.502s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:23 UTC View
Mechanicus Alpha (M1) -7.442s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:23 UTC View
Mechanicus Alpha (M1) -6.673s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:24 UTC View
Mechanicus Alpha (M1) -6.243s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:24 UTC View
Mechanicus Alpha (M1) -4.685s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:26 UTC View
Mechanicus Alpha (M1) -3.660s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) -3.014s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) -2.991s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) -2.969s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) -2.919s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:27 UTC View
Mechanicus Alpha (M1) -2.700s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) -2.561s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) -2.504s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) -2.414s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:28 UTC View
Mechanicus Alpha (M1) -1.799s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -1.519s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -1.447s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -1.325s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -1.279s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -1.159s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -0.972s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:29 UTC View
Mechanicus Alpha (M1) -0.637s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) -0.499s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) -0.350s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) -0.064s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:30 UTC View
Mechanicus Alpha (M1) +0.243s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +0.337s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +0.589s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +0.735s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +0.888s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:31 UTC View
Mechanicus Alpha (M1) +1.255s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 09:11:32 UTC View
45

Total Receptions

1

Unique Gateways