Packet #39238089 Success

POSITION_APP packet from NGC MP (NGC5) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
22
Payload Bytes
Packet Information
Database ID: 39238089
Mesh Packet ID: 0x949f3712
Used for correlation across gateways
Timestamp: 2026-05-15 16:29:35 UTC
From Node: NGC MP (NGC5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: NGC MP (NGC5)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 6c NGC5
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: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:43.660083°
Longitude:-79.390310°
Altitude:94 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:22 bytes
Gateway:!130d026c
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !130d026c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 319619692
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 22 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 1778862570
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 108
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778862575.4555376
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)
  • ✓ 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
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !130d026c
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:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.6600832, "longitude": -79.3903104, "altitude": 94, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!130d026c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 319619692, "to": 4294967295, "id": 2493462290, "rx_time": 1778862570, "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": 108, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000061a150000aed0185e25ea49076a2803b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436600832, "longitude_i": -793903104, "altitude": 94, "time": 1778862570, "location_source": "LOC_EXTERNAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d0000061a150000aed0185e25ea49076a2803b8010e
Hex Analysis:
Size:22 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
NGC MP (NGC5) Primary 0.000s
Reference
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC Current
NGC MP (NGC5) -0.041s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) -0.012s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.019s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.039s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.057s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.067s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.078s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.088s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.098s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.108s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.118s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.130s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.143s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.155s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.184s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.202s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.222s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.240s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.256s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.274s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.292s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.320s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.349s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.375s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.402s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.427s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.452s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.477s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.503s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.531s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.558s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.585s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.611s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.635s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.665s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.689s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.716s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.744s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.771s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.798s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.824s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.849s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.875s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.904s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:36 UTC View
45

Total Receptions

1

Unique Gateways