Packet #39256643 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: 39256643
Mesh Packet ID: 0xdd8163a4
Used for correlation across gateways
Timestamp: 2026-05-15 17:35:12 UTC
From Node: NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Dominus (M4)
Channel: ShortFast
RSSI: -96 dBm
SNR: -8.5 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:11.3%
Air Util TX:5.3%
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 -96.0 dBm
Signal strength at gateway
int32
rx_snr -8.50 dB
Signal quality at gateway
float
rx_time 1778866510
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 1778866512.3660042
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: -96.0 dBm
SNR: -8.50 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": 1778866506, "device_metrics": { "battery_level": 93, "voltage": 4.097, "channel_utilization": 11.281667, "air_util_tx": 5.3185277, "uptime_seconds": 42013 } }
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": 3716244388, "rx_time": 1778866510, "rx_snr": -8.5, "rx_rssi": -96, "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": "0d4a59076a1215085d15a01a83401db5813441256131aa40289dc802", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778866506, "device_metrics": { "battery_level": 93, "voltage": 4.097, "channel_utilization": 11.281667, "air_util_tx": 5.3185277, "uptime_seconds": 42013 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d4a59076a1215085d15a01a83401db5813441256131aa40289dc802
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
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC Current
Mechanicus Dominus (M4) -0.592s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.565s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.540s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.506s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.485s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.461s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.437s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.414s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.390s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.369s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:11 UTC View
Mechanicus Dominus (M4) -0.348s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.327s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.306s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.277s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.253s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.229s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.201s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.179s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.157s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.136s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.115s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.092s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 MediumFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.068s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.045s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) -0.022s
Before
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.021s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.043s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.063s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.086s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.110s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.134s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.157s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortFast 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.178s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.199s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.220s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.242s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.266s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.290s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.314s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.337s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.358s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.378s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.399s
After
-96.0 dBm -8.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 17:35:12 UTC View
Mechanicus Dominus (M4) +0.420s
After
-96.0 dBm -8.50 dB 0 f2 🛰 LongFast 2026-05-15 17:35:12 UTC View
Mechanicus Cadia (M3) +0.444s
After
-119.0 dBm -8.00 dB 0 f2 🛰 LongFast 2026-05-15 17:35:12 UTC View
46

Total Receptions

2

Unique Gateways