Packet #39375287 Success

POSITION_APP packet from !52de9ae6 to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39375287
Mesh Packet ID: 0xad040f7b
Used for correlation across gateways
Timestamp: 2026-05-16 00:57:19 UTC
From Node: !52de9ae6 (9ae6)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: DIR Rooftop (DIR)
Channel: ShortFast
RSSI: -97 dBm
SNR: -13.5 dBm
Hop Info: 5/7 hops
Start: 7, Limit: 2
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:45.538509°
Longitude:-73.660006°
Precision:18 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:28 bytes
Gateway:!6985083c
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:5 / 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
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
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 1390320358
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 5
Calculated: hop_start - hop_limit
derived
rx_rssi -97.0 dBm
Signal strength at gateway
int32
rx_snr -13.50 dB
Signal quality at gateway
float
rx_time 1778893038
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 1778893039.5716834
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
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6985083c
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Signal Metrics: RSSI: -97.0 dBm
SNR: -13.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.5385088, "longitude": -73.6600064, "altitude": null, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1390320358, "to": 4294967295, "id": 2902724475, "rx_time": 1778893038, "rx_snr": -13.5, "rx_rssi": -97, "hop_limit": 2, "hop_start": 7, "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": "0d00a0241b15006018d425edc0076a280258d3017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455385088, "longitude_i": -736600064, "time": 1778893037, "location_source": "LOC_INTERNAL", "PDOP": 211, "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00a0241b15006018d425edc0076a280258d3017800800100b80112
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
DIR Rooftop (DIR) Primary 0.000s
Reference
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC Current
DIR Rooftop (DIR) -0.381s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.352s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.342s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.326s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.310s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.293s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.283s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.273s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.262s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.251s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.240s
Before
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.229s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.217s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.205s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.193s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.181s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.169s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.157s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.146s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.134s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.115s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.097s
Before
-97.0 dBm -13.50 dB 5 - MediumFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.079s
Before
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.061s
Before
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.040s
Before
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) -0.020s
Before
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.020s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.030s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.040s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.051s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.061s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.072s
After
-97.0 dBm -13.50 dB 5 - ShortFast 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.084s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.094s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.105s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.116s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.128s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.140s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.152s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.163s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.174s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.186s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.197s
After
-97.0 dBm -13.50 dB 5 - ShortTurbo 2026-05-16 00:57:19 UTC View
DIR Rooftop (DIR) +0.208s
After
-97.0 dBm -13.50 dB 5 - LongFast 2026-05-16 00:57:19 UTC View
45

Total Receptions

1

Unique Gateways