Packet #39458742 Success

TELEMETRY_APP packet from neotracker (ntrc) to !ffffffff

49
Total Receptions
5
Unique Gateways
2
Hop Count
17
Payload Bytes
Packet Information
Database ID: 39458742
Mesh Packet ID: 0x9cf203bb
Used for correlation across gateways
Timestamp: 2026-05-16 06:01:28 UTC
From Node: neotracker (ntrc)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 7c50 (7c50)
Channel: ShortFast
RSSI: -119 dBm
SNR: -12.75 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Relay Node: 5b
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 17 bytes
Decoded: Yes
Decoded Data:
Environment Metrics:
Temperature:12.1°C
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:17 bytes
Gateway:!33677c50
Channel:ShortFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !33677c50
Node ID format
channel_id ShortFast
packet MeshPacket (17 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1878604709
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 17 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -119.0 dBm
Signal strength at gateway
int32
rx_snr -12.75 dB
Signal quality at gateway
float
rx_time 1778911287
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 91
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778911288.5205414
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !33677c50
Signal Metrics: RSSI: -119.0 dBm
SNR: -12.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:17 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1778911296, "environment_metrics": { "temperature": 12.140625, "lux": 0.0 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!33677c50", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1878604709, "to": 4294967295, "id": 2633106363, "rx_time": 1778911287, "rx_snr": -12.75, "rx_rssi": -119, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 91, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d4008086a1a0a0d004042414d00000000", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778911296, "environment_metrics": { "temperature": 12.140625, "lux": 0.0 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (17 bytes)
0d4008086a1a0a0d004042414d00000000
Hex Analysis:
Size:17 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
Meshtastic 7c50 (7c50) Primary 0.000s
Reference
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC Current
neoSG2 https://canadaverse.org/ (🎐) -5.333s
Before
-45.0 dBm 6.00 dB 0 a5 ntrc LongFast 2026-05-16 06:01:23 UTC View
VE3WNP-12 (WNP) -2.969s
Before
-74.0 dBm 5.75 dB 2 68 WNPr LongFast 2026-05-16 06:01:25 UTC View
Meshtastic 7c50 (7c50) -0.686s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.654s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.628s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.603s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.577s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.551s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:27 UTC View
Meshtastic 7c50 (7c50) -0.521s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.494s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.466s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.440s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.414s
Before
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.385s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.358s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.328s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.300s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.273s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.245s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.219s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.182s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.153s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.127s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.100s
Before
-119.0 dBm -12.75 dB 2 5b MediumFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.075s
Before
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.049s
Before
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) -0.025s
Before
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.034s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.087s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.135s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.166s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.209s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.253s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.303s
After
-119.0 dBm -12.75 dB 2 5b ShortFast 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.376s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.423s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.475s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:28 UTC View
Meshtastic 7c50 (7c50) +0.516s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.540s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.564s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.587s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.610s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.636s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.663s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.691s
After
-119.0 dBm -12.75 dB 2 5b ShortTurbo 2026-05-16 06:01:29 UTC View
Meshtastic 7c50 (7c50) +0.723s
After
-119.0 dBm -12.75 dB 2 5b LongFast 2026-05-16 06:01:29 UTC View
Eco-Monkey LLP (mnky) +2.995s
After
-97.0 dBm -10.75 dB 3 48 mnky LongFast 2026-05-16 06:01:31 UTC View
Seri Base d120 (SRB) +4.632s
After
-55.0 dBm 5.25 dB 4 10 KWBX LongFast 2026-05-16 06:01:33 UTC View
49

Total Receptions

5

Unique Gateways