Packet #18516921 Success

POSITION_APP packet from Quantum 8344 (8344) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18516921
Mesh Packet ID: 0x69f4f994
Used for correlation across gateways
Timestamp: 2026-03-29 01:55:12 UTC
From Node: Quantum 8344 (8344)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Quantum d979 (d979)
Channel: MediumFast
RSSI: -58 dBm
SNR: 9.5 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:43.279974°
Longitude:-79.088845°
Altitude:90 m
Satellites:8
Precision:13 bits
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:36 bytes
Gateway:!336ad979
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 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 !336ad979
Node ID format
channel_id MediumFast
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1439138628
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 36 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 -58.0 dBm
Signal strength at gateway
int32
rx_snr 9.50 dB
Signal quality at gateway
float
rx_time 1774749311
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 Not set uint32
tx_after Not set uint32
timestamp 1774749312.8813767
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ 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: !336ad979
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -58.0 dBm
SNR: 9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.2799744, "longitude": -79.0888448, "altitude": 90, "sats_in_view": 8, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!336ad979", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1439138628, "to": 4294967295, "id": 1777662356, "rx_time": 1774749311, "rx_snr": 9.5, "rx_rssi": -58, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000cc19150000dcd0185a257e86c869280258c90178008001c8f7d00d980108b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 432799744, "longitude_i": -790888448, "altitude": 90, "time": 1774749310, "location_source": "LOC_INTERNAL", "PDOP": 201, "ground_speed": 0, "ground_track": 28589000, "sats_in_view": 8, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d0000cc19150000dcd0185a257e86c869280258c90178008001c8f7d00d980108b8010d
Hex Analysis:
Size:36 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
Quantum d979 (d979) Primary 0.000s
Reference
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC Current
Quantum d979 (d979) -0.349s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.337s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.313s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.289s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.256s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.234s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.210s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.184s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.160s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.145s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.131s
Before
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.119s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.106s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.093s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.081s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.068s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.056s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.043s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.030s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) -0.014s
Before
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.015s
After
-58.0 dBm 9.50 dB 0 - MediumFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.028s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.042s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.057s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.070s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.084s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.096s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.111s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:12 UTC View
Quantum d979 (d979) +0.123s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.136s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.148s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.161s
After
-58.0 dBm 9.50 dB 0 - ShortFast 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.173s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.186s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.200s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.214s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.231s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.249s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.263s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.277s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.290s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.303s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.316s
After
-58.0 dBm 9.50 dB 0 - ShortTurbo 2026-03-29 01:55:13 UTC View
Quantum d979 (d979) +0.328s
After
-58.0 dBm 9.50 dB 0 - LongFast 2026-03-29 01:55:13 UTC View
45

Total Receptions

1

Unique Gateways