Packet #18000044 Success

POSITION_APP packet from VO1SU (VO1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
31
Payload Bytes
Packet Information
Database ID: 18000044
Mesh Packet ID: 0xcba8252f
Used for correlation across gateways
Timestamp: 2026-03-27 20:33:56 UTC
From Node: VO1SU (VO1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VO1SU (VO1)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 51 VO1
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: 31 bytes
Decoded: Yes
Decoded Data:
Latitude:47.749530°
Longitude:-59.310080°
Altitude:-12 m
Precision:14 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:31 bytes
Gateway:!fa505051
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 !fa505051
Node ID format
channel_id ShortTurbo
packet MeshPacket (31 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4199567441
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 31 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 1774643636
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 81
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774643636.8438916
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~1500.0m 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: !fa505051
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
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:31 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 47.7495296, "longitude": -59.31008, "altitude": -12, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!fa505051", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4199567441, "to": 4294967295, "id": 3416794415, "rx_time": 1774643636, "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": 81, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000761c150000a6dc18f4ffffffffffffffff0125b4e9c6692802b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 477495296, "longitude_i": -593100800, "altitude": -12, "time": 1774643636, "location_source": "LOC_INTERNAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (31 bytes)
0d0000761c150000a6dc18f4ffffffffffffffff0125b4e9c6692802b8010e
Hex Analysis:
Size:31 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
VO1SU (VO1) Primary 0.000s
Reference
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC Current
VO1SU (VO1) -1.810s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.767s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.736s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.671s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.640s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.611s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.575s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.550s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.518s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.494s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.455s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.348s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.322s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.283s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.261s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.227s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.197s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.165s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.142s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.115s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.067s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.049s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -1.020s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.997s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.953s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.886s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.855s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.793s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.739s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.715s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.665s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.645s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.595s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.554s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.520s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.457s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.425s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.332s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.274s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.241s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.159s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.100s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) -0.076s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +0.044s
After
Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:56 UTC View
45

Total Receptions

1

Unique Gateways