Packet #17751588 Success

POSITION_APP packet from Meshtastic 4ce0 (4ce0) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17751588
Mesh Packet ID: 0xf3aeda77
Used for correlation across gateways
Timestamp: 2026-03-27 07:30:27 UTC
From Node: Meshtastic 4ce0 (4ce0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 4ce0 (4ce0)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: e0 4ce0
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:45.504922°
Longitude:-73.560883°
Altitude:27 m
Precision:16 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:!db294ce0
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db294ce0
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3676916960
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 7
Remaining hops allowed 		uint32
hop_start 7
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 1774596626
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 224
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774596627.540489
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !db294ce0
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
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": 45.5049216, "longitude": -73.5608832, "altitude": 27, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db294ce0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676916960, "to": 4294967295, "id": 4088322679, "rx_time": 1774596626, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801f1b15008027d4181b251232c66928017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455049216, "longitude_i": -735608832, "altitude": 27, "time": 1774596626, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00801f1b15008027d4181b251232c66928017800800100b80110
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
Meshtastic 4ce0 (4ce0) Primary 0.000s
Reference 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC Current
Meshtastic 4ce0 (4ce0) -0.157s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.129s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.117s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.101s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.082s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.072s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.056s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.046s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.032s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.021s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.011s
Before 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.011s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.023s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.035s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.047s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.060s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.071s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.084s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.095s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.107s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.118s
After 		Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.129s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.140s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.151s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.162s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.173s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.184s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.195s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.207s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.219s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.231s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.243s
After 		Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.255s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.268s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.279s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.291s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.302s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.313s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.324s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.335s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.346s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.357s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.367s
After 		Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.378s
After 		Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
45

Total Receptions

1

Unique Gateways