Packet #40590863 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: 40590863
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: ShortFast
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: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:
⚠ 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 ShortFast
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 1779154390.5371206
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: ~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": "ShortFast", "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 ShortFast 2026-05-19 01:33:10 UTC Current
VE3EPN-Roof (c685) -0.452s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.439s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.427s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.412s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.399s
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) -0.370s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.351s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.337s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.325s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.313s
Before
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.301s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.290s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.275s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.257s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.238s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.221s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.206s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.186s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.173s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.154s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.140s
Before
Unknown Unknown 0 85 c685 MediumFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.127s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.110s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.092s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.068s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.043s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) -0.027s
Before
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.013s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.029s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.043s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.056s
After
Unknown Unknown 0 85 c685 ShortFast 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.073s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.089s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.109s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.132s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.168s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.183s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.196s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.211s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.232s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.246s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.270s
After
Unknown Unknown 0 85 c685 ShortTurbo 2026-05-19 01:33:10 UTC View
VE3EPN-Roof (c685) +0.291s
After
Unknown Unknown 0 85 c685 LongFast 2026-05-19 01:33:10 UTC View
45

Total Receptions

1

Unique Gateways