Packet #17751579 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: 17751579
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: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
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 !db294ce0
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 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 1774596627.4230905
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: !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": "LongFast", "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
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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
Meshtastic 4ce0 (4ce0) Primary 0.000s
Reference
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC Current
Meshtastic 4ce0 (4ce0) -0.040s
Before
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) -0.012s
Before
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.017s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.036s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.045s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.061s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.072s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.085s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.096s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.107s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.117s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.128s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.140s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.153s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.165s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.177s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.189s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.201s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.213s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.224s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.235s
After
Unknown Unknown 0 e0 4ce0 MediumFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.246s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.257s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.268s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.279s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.290s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.301s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.313s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.325s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.337s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.349s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.361s
After
Unknown Unknown 0 e0 4ce0 ShortFast 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.372s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.385s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.397s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.408s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.419s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.430s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.441s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.452s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.463s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.474s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.485s
After
Unknown Unknown 0 e0 4ce0 ShortTurbo 2026-03-27 07:30:27 UTC View
Meshtastic 4ce0 (4ce0) +0.495s
After
Unknown Unknown 0 e0 4ce0 LongFast 2026-03-27 07:30:27 UTC View
45

Total Receptions

1

Unique Gateways