Packet #39318360 Success

TELEMETRY_APP packet from NJF Base 🛰 (🛰) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39318360
Mesh Packet ID: 0x53ae53a8
Used for correlation across gateways
Timestamp: 2026-05-15 21:27:13 UTC
From Node: NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Dominus (M4)
Channel: ShortFast
RSSI: -89 dBm
SNR: -1.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: f2 🛰
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:93%
Voltage:4.10 V
Channel Usage:6.8%
Air Util TX:5.0%
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:28 bytes
Gateway:!6984d8b8
Channel:ShortFast
Payload Type:TELEMETRY_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:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id ShortFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3559411698
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 28 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 -89.0 dBm
Signal strength at gateway
int32
rx_snr -1.75 dB
Signal quality at gateway
float
rx_time 1778880432
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 242
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778880433.6486714
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:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6984d8b8
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -89.0 dBm
SNR: -1.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1778880428, "device_metrics": { "battery_level": 93, "voltage": 4.098, "channel_utilization": 6.751667, "air_util_tx": 4.957361, "uptime_seconds": 55935 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3559411698, "to": 4294967295, "id": 1403933608, "rx_time": 1778880432, "rx_snr": -1.75, "rx_rssi": -89, "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": 242, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dac8f076a1215085d15d12283401da80dd84025b4a29e4028ffb403", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778880428, "device_metrics": { "battery_level": 93, "voltage": 4.098, "channel_utilization": 6.751667, "air_util_tx": 4.957361, "uptime_seconds": 55935 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dac8f076a1215085d15d12283401da80dd84025b4a29e4028ffb403
Hex Analysis:
Size:28 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 Dominus (M4) Primary 0.000s
Reference
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC Current
Mechanicus Dominus (M4) -0.678s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:12 UTC View
Mechanicus Dominus (M4) -0.644s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.616s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.591s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.567s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.543s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.520s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.497s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.476s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.456s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.434s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.412s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.380s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.357s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.333s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.310s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.288s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.261s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.233s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.199s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.175s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.144s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.109s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.084s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.053s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.020s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.036s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.059s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.080s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.101s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.122s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.142s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.172s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.195s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.218s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.240s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.262s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.282s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.303s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.324s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.348s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.372s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:14 UTC View
Mechanicus Dominus (M4) +0.394s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:14 UTC View
Mechanicus Dominus (M4) +0.417s
After
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:14 UTC View
Mechanicus Cadia (M3) +0.439s
After
-115.0 dBm -5.00 dB 0 f2 🛰 LongFast 2026-05-15 21:27:14 UTC View
46

Total Receptions

2

Unique Gateways