Packet #40590851 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: 40590851
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: MediumFast
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: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
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4737c685
Node ID format
channel_id MediumFast
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 1779154390.3163455
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: ~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": "MediumFast", "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
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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
VE3EPN-Roof (c685) Primary 0.000s
Reference
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC Current
VE3EPN-Roof (c685) -0.231s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.218s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.206s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.191s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.178s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.167s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.149s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.130s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.116s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.104s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.093s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.081s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.069s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.054s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.036s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.018s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.015s
After
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.034s
After
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.048s
After
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.067s
After
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.081s
After
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.094s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.111s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.128s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.153s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.178s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.193s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.221s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.234s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.250s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.264s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.277s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.294s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.310s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.330s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.353s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.389s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.404s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.417s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.432s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.453s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.466s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.490s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.512s
After
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
45

Total Receptions

1

Unique Gateways