Packet #39318365 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: 39318365
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 1778880433.7701972
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
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
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) -0.799s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:12 UTC View
Mechanicus Dominus (M4) -0.766s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.738s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.712s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.688s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.665s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.642s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.619s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.598s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.577s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.555s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.534s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.502s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.478s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.454s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.431s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.409s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.383s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.355s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.321s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.296s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.266s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 MediumFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.230s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.206s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.174s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.141s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.122s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.086s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.063s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.042s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) -0.021s
Before
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.020s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortFast 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.050s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.073s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.096s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.119s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.140s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.161s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.182s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.203s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.226s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:13 UTC View
Mechanicus Dominus (M4) +0.250s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:14 UTC View
Mechanicus Dominus (M4) +0.273s
After
-89.0 dBm -1.75 dB 0 f2 🛰 ShortTurbo 2026-05-15 21:27:14 UTC View
Mechanicus Dominus (M4) +0.296s
After
-89.0 dBm -1.75 dB 0 f2 🛰 LongFast 2026-05-15 21:27:14 UTC View
Mechanicus Cadia (M3) +0.317s
After
-115.0 dBm -5.00 dB 0 f2 🛰 LongFast 2026-05-15 21:27:14 UTC View
46

Total Receptions

2

Unique Gateways