Packet #17817350 Success

POSITION_APP packet from Klc Sensecap (klc2) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17817350
Mesh Packet ID: 0xa20e676f
Used for correlation across gateways
Timestamp: 2026-03-27 10:32:11 UTC
From Node: Klc Sensecap (klc2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Klc Sensecap (klc2)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 58 klc2
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:45.496730°
Longitude:-73.569075°
Altitude:55 m
Precision:17 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:27 bytes
Gateway:!66203958
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
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !66203958
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1713387864
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 27 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 1774607528
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 88
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774607531.191902
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
  • ✓ 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
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !66203958
Position Precision: 17 bits (~182.0m accuracy)
Position precision meters: 182.0
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:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.4967296, "longitude": -73.5690752, "altitude": 55, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!66203958", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1713387864, "to": 4294967295, "id": 2718852975, "rx_time": 1774607528, "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": 88, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00401e1b15004026d4183725a85cc66928037800800100b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 454967296, "longitude_i": -735690752, "altitude": 55, "time": 1774607528, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00401e1b15004026d4183725a85cc66928037800800100b80111
Hex Analysis:
Size:27 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 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
Klc Sensecap (klc2) Primary 0.000s
Reference 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC Current
Klc Sensecap (klc2) -0.157s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.127s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.117s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.101s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.092s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.076s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.048s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.036s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.024s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) -0.012s
Before 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.012s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.023s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.035s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.046s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.057s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.068s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.078s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.089s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.099s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.110s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.121s
After 		Unknown Unknown 0 58 klc2 MediumFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.133s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.145s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.157s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.169s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.181s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.193s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.205s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.217s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.228s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.239s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.249s
After 		Unknown Unknown 0 58 klc2 ShortFast 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.260s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.271s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.281s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.292s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.303s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.315s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.327s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.339s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.352s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.363s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.375s
After 		Unknown Unknown 0 58 klc2 ShortTurbo 2026-03-27 10:32:11 UTC View
Klc Sensecap (klc2) +0.387s
After 		Unknown Unknown 0 58 klc2 LongFast 2026-03-27 10:32:11 UTC View
45

Total Receptions

1

Unique Gateways