Packet #39442193 Success

POSITION_APP packet from CLY-B 0dde (0dde) to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39442193
Mesh Packet ID: 0x1862a46d
Used for correlation across gateways
Timestamp: 2026-05-16 04:57:49 UTC
From Node: CLY-B 0dde (0dde)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Tracer-Mesh-bd1c (bd1c)
Channel: ShortTurbo
RSSI: -87 dBm
SNR: -9.5 dBm
Hop Info: 5/6 hops
Start: 6, Limit: 1
Relay Node: c4
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:43.594547°
Longitude:-79.613133°
Altitude:153 m
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:28 bytes
Gateway:!9ea0bd1c
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:5 / 6
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 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 !9ea0bd1c
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3982953950
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 1
Remaining hops allowed
uint32
hop_start 6
Initial hop limit
uint32
hops_taken 5
Calculated: hop_start - hop_limit
derived
rx_rssi -87.0 dBm
Signal strength at gateway
int32
rx_snr -9.50 dB
Signal quality at gateway
float
rx_time 1778907449
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 1778907469.652646
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ea0bd1c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -87.0 dBm
SNR: -9.50 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": 43.5945472, "longitude": -79.6131328, "altitude": 153, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea0bd1c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3982953950, "to": 4294967295, "id": 409117805, "rx_time": 1778907449, "rx_snr": -9.5, "rx_rssi": -87, "hop_limit": 1, "hop_start": 6, "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": "0d0000fc191500008cd0189901254654096a28037801800144b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 435945472, "longitude_i": -796131328, "altitude": 153, "time": 1778996294, "location_source": "LOC_EXTERNAL", "ground_speed": 1, "ground_track": 68, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000fc191500008cd0189901254654096a28037801800144b8010d
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
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
Tracer-Mesh-bd1c (bd1c) Primary 0.000s
Reference
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC Current
Tracer-Mesh-bd1c (bd1c) -0.439s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.411s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.399s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.387s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.375s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.363s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.351s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.339s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.327s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.316s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.304s
Before
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.291s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.281s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.270s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.260s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.249s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.236s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.225s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.212s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.200s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.188s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.176s
Before
-87.0 dBm -9.50 dB 5 c4 MediumFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.165s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.150s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.137s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.119s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.108s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.083s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.072s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.060s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.046s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.035s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.025s
Before
-87.0 dBm -9.50 dB 5 c4 ShortFast 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) -0.012s
Before
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.013s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.026s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.040s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.051s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.062s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.074s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.085s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.098s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.109s
After
-87.0 dBm -9.50 dB 5 c4 ShortTurbo 2026-05-16 04:57:49 UTC View
Tracer-Mesh-bd1c (bd1c) +0.121s
After
-87.0 dBm -9.50 dB 5 c4 LongFast 2026-05-16 04:57:49 UTC View
45

Total Receptions

1

Unique Gateways