Packet #17686749 Success

NODEINFO_APP packet from Maryhill 813c (813c) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
78
Payload Bytes
Packet Information
Database ID: 17686749
Mesh Packet ID: 0xe8e3f63b
Used for correlation across gateways
Timestamp: 2026-03-27 03:45:55 UTC
From Node: Maryhill 813c (813c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 7c50 (7c50)
Channel: ShortFast
RSSI: -47 dBm
SNR: 5.0 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 3c 813c
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: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Maryhill 813c
Short Name:813c
Node ID:!1c49813c
MAC Address:EAYcSYE8
Hardware:TBEAM
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:78 bytes
Gateway:!33677c50
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !33677c50
Node ID format
channel_id ShortFast
packet MeshPacket (78 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 474579260
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -47.0 dBm
Signal strength at gateway 		int32
rx_snr 5.00 dB
Signal quality at gateway 		float
rx_time 1774583152
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 60
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774583155.5022974
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !33677c50
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -47.0 dBm
SNR: 5.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:78 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!1c49813c", "long_name": "Maryhill 813c", "short_name": "813c", "macaddr": "EAYcSYE8", "hw_model": "TBEAM" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!33677c50", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 474579260, "to": 4294967295, "id": 3907253819, "rx_time": 1774583152, "rx_snr": 5.0, "rx_rssi": -47, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 60, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213163343938313363120d4d61727968696c6c20383133631a0438313363220610061c49813c28044220600744250c466e4e3b2e56f9b5cc95d6079c8a11d7c683a3583da53cf5ad29424800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!1c49813c", "long_name": "Maryhill 813c", "short_name": "813c", "macaddr": "EAYcSYE8", "hw_model": "TBEAM", "public_key": "YAdEJQxGbk47Llb5tcyV1gecihHXxoOjWD2lPPWtKUI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09213163343938313363120d4d61727968696c6c20383133631a0438313363220610061c49813c28044220600744250c466e4e3b2e56f9b5cc95d6079c8a11d7c683a3583da53cf5ad29424800
Hex Analysis:
Size:78 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
Meshtastic 7c50 (7c50) Primary 0.000s
Reference 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC Current
Meshtastic 7c50 (7c50) -0.510s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:54 UTC View
Meshtastic 7c50 (7c50) -0.478s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.453s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.426s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.402s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.379s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.354s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.331s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.309s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.288s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.268s
Before 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.247s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.224s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.201s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.179s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.155s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.131s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.110s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.090s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.070s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.046s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) -0.023s
Before 		-47.0 dBm 5.00 dB 0 3c 813c MediumFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.023s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.044s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.064s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.084s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.105s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.128s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.160s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.188s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.215s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.236s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortFast 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.256s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.277s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.299s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.323s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.346s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.369s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.391s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.415s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.436s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.457s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.479s
After 		-47.0 dBm 5.00 dB 0 3c 813c ShortTurbo 2026-03-27 03:45:55 UTC View
Meshtastic 7c50 (7c50) +0.503s
After 		-47.0 dBm 5.00 dB 0 3c 813c LongFast 2026-03-27 03:45:56 UTC View
45

Total Receptions

1

Unique Gateways