Packet #17730562 Success

POSITION_APP packet from 1138 (📱) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 17730562
Mesh Packet ID: 0x888f950f
Used for correlation across gateways
Timestamp: 2026-03-27 06:17:25 UTC
From Node: 1138 (📱)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Matane Centre CAN MQTT Link wiki.mt.gt (📡)
Channel: ShortFast
RSSI: -108 dBm
SNR: 2.0 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: c4 📱
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:48.837427°
Longitude:-67.554509°
Altitude:42 m
Satellites:9
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:!a0cb1094
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 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 !a0cb1094
Node ID format
channel_id ShortFast
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 48957892
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 -108.0 dBm
Signal strength at gateway
int32
rx_snr 2.00 dB
Signal quality at gateway
float
rx_time 1774592244
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 196
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774592245.864773
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
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ 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: !a0cb1094
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -108.0 dBm
SNR: 2.00 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": 48.8374272, "longitude": -67.5545088, "altitude": 42, "sats_in_view": 9, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb1094", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48957892, "to": 4294967295, "id": 2291111183, "rx_time": 1774592244, "rx_snr": 2.0, "rx_rssi": -108, "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": 196, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001c1d150000bcd7182a25f020c669280258970278008001c0c5ce01980109b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 488374272, "longitude_i": -675545088, "altitude": 42, "time": 1774592240, "location_source": "LOC_INTERNAL", "PDOP": 279, "ground_speed": 0, "ground_track": 3384000, "sats_in_view": 9, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d00001c1d150000bcd7182a25f020c669280258970278008001c0c5ce01980109b8010d
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
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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
Matane Centre CAN MQTT Link wiki.mt.gt (📡) Primary 0.000s
Reference
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC Current
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.315s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.278s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.266s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.247s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.237s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.220s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.201s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.191s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.180s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.169s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.157s
Before
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.147s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.131s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.119s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.108s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.096s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.083s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.072s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.061s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.050s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.039s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.028s
Before
-108.0 dBm 2.00 dB 0 c4 📱 MediumFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) -0.011s
Before
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.011s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.021s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.031s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.042s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.052s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.064s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.076s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.088s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.100s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortFast 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.111s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.123s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.134s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:25 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.145s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.156s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.166s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.176s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.187s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.198s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.216s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.226s
After
-108.0 dBm 2.00 dB 0 c4 📱 ShortTurbo 2026-03-27 06:17:26 UTC View
Matane Centre CAN MQTT Link wiki.mt.gt (📡) +0.238s
After
-108.0 dBm 2.00 dB 0 c4 📱 LongFast 2026-03-27 06:17:26 UTC View
45

Total Receptions

1

Unique Gateways