Packet #13933339 Success

POSITION_APP packet from The Clan Custom (TCLC) to !ffffffff

19
Total Receptions
19
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 13933339
Mesh Packet ID: 0xb367c874
Used for correlation across gateways
Timestamp: 2025-10-07 00:48:02 UTC
From Node: The Clan Custom (TCLC)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.553677°
Longitude:-3.643802°
Altitude:713 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:28 bytes
Gateway:!c0c318a4
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3349372475
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1759798154
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 64
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 1759798082.708216
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: MediumSlow
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.5536768, "longitude": -3.6438016, "altitude": 713, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3349372475, "to": 4294967295, "id": 3009923188, "rx_time": 1759798154, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00002c18150000d4fd18c905253b63e46828037800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 405536768, "longitude_i": -36438016, "altitude": 713, "time": 1759798075, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00002c18150000d4fd18c905253b63e46828037800800100b8010d
Hex Analysis:
Size:28 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...

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Meshtastic 18a4 (18a4) Primary 0.000s
Reference
Unknown Unknown 3 MediumSlow 2025-10-07 00:48:02 Current
Ocumare_Base_🗼🌐 (CATA) -1.698s
Before
-97.0 dBm -2.25 dB 1 MediumSlow 2025-10-07 00:48:01 View
Monolito (MoN) -1.604s
Before
-68.0 dBm 9.00 dB 2 MediumSlow 2025-10-07 00:48:01 View
Oxygen EA4HKU (O) -0.771s
Before
-115.0 dBm -9.25 dB 2 MediumSlow 2025-10-07 00:48:01 View
g1bal (g1b0) -0.765s
Before
-113.0 dBm -5.00 dB 2 MediumSlow 2025-10-07 00:48:01 View
Venturada2🗼🌐☀️ (Vb2) -0.762s
Before
-98.0 dBm -3.25 dB 2 MediumSlow 2025-10-07 00:48:01 View
Quass002 ☄️ (Q002) -0.644s
Before
-125.0 dBm -16.25 dB 2 MediumSlow 2025-10-07 00:48:02 View
Carbon EA4HKU (C) -0.471s
Before
-107.0 dBm 2.75 dB 2 MediumSlow 2025-10-07 00:48:02 View
Meshtastic 1760 (1760) -0.421s
Before
-120.0 dBm -3.00 dB 2 MediumSlow 2025-10-07 00:48:02 View
Baldur Fijo (BalF) -0.419s
Before
-115.0 dBm -11.25 dB 2 MediumSlow 2025-10-07 00:48:02 View
Suop 📡 🌐 (SUOP) -0.389s
Before
-109.0 dBm -8.75 dB 2 MediumSlow 2025-10-07 00:48:02 View
GRN1-Base🗼🌐 (GRN1) -0.387s
Before
-115.0 dBm -12.00 dB 2 MediumSlow 2025-10-07 00:48:02 View
[TLG] 📡🌐🔋🔌 (tlg0) -0.385s
Before
-123.0 dBm -17.50 dB 2 MediumSlow 2025-10-07 00:48:02 View
Quass001 ☄️ (Q001) -0.331s
Before
Unknown Unknown 3 MediumSlow 2025-10-07 00:48:02 View
Zion 🗼 (Zion) +0.934s
After
-108.0 dBm -4.50 dB 4 MediumSlow 2025-10-07 00:48:03 View
tizon (Sylv) +4.177s
After
-120.0 dBm -9.75 dB 4 MediumSlow 2025-10-07 00:48:06 View
Meshtastic 870c📡🌐 (870c) +4.573s
After
-94.0 dBm 4.50 dB 4 MediumSlow 2025-10-07 00:48:07 View
Mec Rocket Meco (MRM) +4.619s
After
-91.0 dBm 7.25 dB 4 MediumSlow 2025-10-07 00:48:07 View
🌐Charly Unid Movil🛰 (C181) +4.792s
After
-24.0 dBm 8.25 dB 4 MediumSlow 2025-10-07 00:48:07 View
19

Total Receptions

19

Unique Gateways