Packet #40590868 Success

POSITION_APP packet from VE3EPN-Roof (c685) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 40590868
Mesh Packet ID: 0xa86ce1cb
Used for correlation across gateways
Timestamp: 2026-05-19 01:33:10 UTC
From Node: VE3EPN-Roof (c685)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3EPN-Roof (c685)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 85 c685
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:44.630016°
Longitude:-79.495168°
Altitude:270 m
Precision:14 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:23 bytes
Gateway:!4737c685
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4737c685
Node ID format
channel_id ShortTurbo
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1194837637
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 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 Not set int32
rx_snr Not set float
rx_time 1779154167
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 133
Relay node ID
uint32
tx_after Not set uint32
timestamp 1779154390.6101635
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: ~1500.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !4737c685
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 44.630016, "longitude": -79.495168, "altitude": 270, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4737c685", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1194837637, "to": 4294967295, "id": 2825707979, "rx_time": 1779154167, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 133, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00009a1a1500009ed0188e0225f7bc0b6a2801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 446300160, "longitude_i": -794951680, "altitude": 270, "time": 1779154167, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d00009a1a1500009ed0188e0225f7bc0b6a2801b8010e
Hex Analysis:
Size:23 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
VE3EPN-Roof (c685) Primary 0.000s
Reference
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC Current
VE3EPN-Roof (c685) -0.525s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.512s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.500s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.485s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.472s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.460s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.443s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.424s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.410s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.398s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.387s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.374s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.363s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.348s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.330s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.311s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.294s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.279s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.259s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.246s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.227s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.213s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.200s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.183s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.166s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.141s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.116s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.101s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.073s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.060s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.044s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.030s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.017s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.016s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.036s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.059s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.095s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.110s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.123s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.138s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.159s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.173s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.197s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.218s
After
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
45

Total Receptions

1

Unique Gateways