Packet #39238091 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: 39238091
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 1778862575.4941735
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
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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
NGC MP (NGC5) Primary 0.000s
Reference
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC Current
NGC MP (NGC5) -0.079s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) -0.051s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) -0.039s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) -0.019s
Before
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.018s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.028s
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) +0.049s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.059s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.069s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.080s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.092s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.104s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.116s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.145s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.163s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.183s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.201s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.218s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.236s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.254s
After
Unknown Unknown 0 6c NGC5 MediumFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.281s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.311s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.337s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.363s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.389s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.414s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.438s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.464s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.492s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:35 UTC View
NGC MP (NGC5) +0.520s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.547s
After
Unknown Unknown 0 6c NGC5 ShortFast 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.572s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.596s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.626s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.650s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.678s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.706s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.733s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.760s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.786s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.811s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.836s
After
Unknown Unknown 0 6c NGC5 ShortTurbo 2026-05-15 16:29:36 UTC View
NGC MP (NGC5) +0.865s
After
Unknown Unknown 0 6c NGC5 LongFast 2026-05-15 16:29:36 UTC View
45

Total Receptions

1

Unique Gateways