Packet #40410542 Success

POSITION_APP packet from Meshtastic a960 (a960) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
22
Payload Bytes
Packet Information
Database ID: 40410542
Mesh Packet ID: 0x1a24058e
Used for correlation across gateways
Timestamp: 2026-05-18 14:27:11 UTC
From Node: Meshtastic a960 (a960)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic a960 (a960)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 60 a960
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:46.111130°
Longitude:-64.775782°
Altitude:30 m
Precision:13 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:!ba0ca960
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 !ba0ca960
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 3121391968
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 Not set 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 96
Relay node ID
uint32
tx_after Not set uint32
timestamp 1779114431.068794
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: ~2900.0m 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: !ba0ca960
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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": 46.1111296, "longitude": -64.7757824, "altitude": 30, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ba0ca960", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121391968, "to": 4294967295, "id": 438568334, "rx_time": 0, "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": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00007c1b15000064d9181e28017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 461111296, "longitude_i": -647757824, "altitude": 30, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d00007c1b15000064d9181e28017800800100b8010d
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
Meshtastic a960 (a960) Primary 0.000s
Reference
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC Current
Meshtastic a960 (a960) -0.068s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.033s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.022s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.011s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.011s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.022s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.033s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.045s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.056s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.068s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.081s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.094s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.106s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.118s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.128s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.140s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.153s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.164s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.175s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.186s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.197s
After
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.208s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.219s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.230s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.241s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.253s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.266s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.278s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.291s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.310s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.331s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.343s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.354s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.365s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.377s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.388s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.399s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.410s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.421s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.433s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.446s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.458s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.470s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.482s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
45

Total Receptions

1

Unique Gateways