Packet #40410562 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: 40410562
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: ShortFast
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:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ba0ca960
Node ID format
channel_id ShortFast
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 1779114431.2986948
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: ShortFast
  • ✓ 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
  • ⚠ 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": "ShortFast", "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 ShortFast 2026-05-18 14:27:11 UTC Current
Meshtastic a960 (a960) -0.298s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.263s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.252s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.241s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.230s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.219s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.208s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.197s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.185s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.174s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.162s
Before
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.149s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.136s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.124s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.112s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.101s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.089s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.077s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.066s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.055s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.044s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.033s
Before
Unknown Unknown 0 60 a960 MediumFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.022s
Before
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) -0.011s
Before
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.011s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.024s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.036s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.049s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.061s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.081s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.101s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.113s
After
Unknown Unknown 0 60 a960 ShortFast 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.124s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.135s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.147s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.158s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.169s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.180s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.191s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.203s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.216s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.228s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.240s
After
Unknown Unknown 0 60 a960 ShortTurbo 2026-05-18 14:27:11 UTC View
Meshtastic a960 (a960) +0.252s
After
Unknown Unknown 0 60 a960 LongFast 2026-05-18 14:27:11 UTC View
45

Total Receptions

1

Unique Gateways