Packet #14048425 Success

POSITION_APP packet from XiaoWatt c4c8 πŸŒπŸ”Œ (c4c8) to COSLADA 4fe0🌐πŸ‡ͺπŸ‡¦πŸš¨ (4fe0)

20
Total Receptions
20
Unique Gateways
0
Hop Count
20
Payload Bytes
Packet Information
Database ID: 14048425
Mesh Packet ID: 0x9d7e9bc7
Used for correlation across gateways
Timestamp: 2025-10-07 19:06:33 UTC
From Node: XiaoWatt c4c8 πŸŒπŸ”Œ (c4c8)
To Node: COSLADA 4fe0🌐πŸ‡ͺπŸ‡¦πŸš¨ (4fe0)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: XiaoWatt c4c8 πŸŒπŸ”Œ (c4c8)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.431000Β°
Longitude:-3.635031Β°
Precision:32 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:20 bytes
Gateway:!3387c4c8
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !3387c4c8
Node ID format
channel_id MediumSlow
packet MeshPacket (20 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 864535752
Source node ID
uint32
to 2661044192
Target node ID
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 20 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 1759863993
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
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 200
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759863993.911392
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Targeted to specific node
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
  • βœ“ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !3387c4c8
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
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:20 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.431, "longitude": -3.635031, "altitude": null, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!3387c4c8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 864535752, "to": 2661044192, "id": 2642320327, "rx_time": 1759863993, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0df0471918159a56d5fd25b964e5682801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404310000, "longitude_i": -36350310, "time": 1759863993, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0df0471918159a56d5fd25b964e5682801b80120
Hex Analysis:
Size:20 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
XiaoWatt c4c8 πŸŒπŸ”Œ (c4c8) Primary 0.000s
Reference
Unknown Unknown 0 MediumSlow 2025-10-07 19:06:33 Current
[TLG] πŸ“‘πŸŒπŸ”‹πŸ”Œ (tlg0) +51.870s
After
-113.0 dBm -6.00 dB 0 MediumSlow 2025-10-07 19:07:25 View
Machu Pichu (MaPi) +56.307s
After
-103.0 dBm -7.75 dB 1 MediumSlow 2025-10-07 19:07:30 View
Quass001 β˜„οΈ (Q001) +56.378s
After
-111.0 dBm -4.50 dB 1 MediumSlow 2025-10-07 19:07:30 View
Meshtastic 1760 (1760) +56.945s
After
-130.0 dBm -14.50 dB 1 MediumSlow 2025-10-07 19:07:30 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) +56.954s
After
-91.0 dBm 3.75 dB 1 MediumSlow 2025-10-07 19:07:30 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +57.001s
After
-107.0 dBm 3.75 dB 1 MediumSlow 2025-10-07 19:07:30 View
Quass002 β˜„οΈ (Q002) +57.065s
After
Unknown Unknown 2 MediumSlow 2025-10-07 19:07:30 View
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) +57.285s
After
-98.0 dBm -1.50 dB 0 MediumSlow 2025-10-07 19:07:31 View
Oxygen EA4HKU (O) +57.680s
After
-110.0 dBm -6.25 dB 2 MediumSlow 2025-10-07 19:07:31 View
🌐Charly Unid MovilπŸ›° (C181) +57.703s
After
-29.0 dBm 8.50 dB 2 MediumSlow 2025-10-07 19:07:31 View
Monolito (MoN) +57.839s
After
-69.0 dBm 9.00 dB 2 MediumSlow 2025-10-07 19:07:31 View
Carbon EA4HKU (C) +57.904s
After
-111.0 dBm -1.25 dB 2 MediumSlow 2025-10-07 19:07:31 View
Baldur Fijo (BalF) +58.006s
After
-113.0 dBm -10.00 dB 2 MediumSlow 2025-10-07 19:07:31 View
Meshtastic 18a4 (18a4) +58.450s
After
-118.0 dBm -10.25 dB 3 MediumSlow 2025-10-07 19:07:32 View
tizon (Sylv) +58.513s
After
-106.0 dBm -1.00 dB 3 MediumSlow 2025-10-07 19:07:32 View
Aldinra_1640_πŸ—Ό_🌐 (AldB) +58.795s
After
-105.0 dBm -1.25 dB 3 MediumSlow 2025-10-07 19:07:32 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +59.514s
After
-114.0 dBm -10.75 dB 2 MediumSlow 2025-10-07 19:07:33 View
Meshtastic 2688 (2688) +60.142s
After
-126.0 dBm -7.50 dB 3 MediumSlow 2025-10-07 19:07:34 View
Mec Rocket Meco (MRM) +62.397s
After
-110.0 dBm -9.00 dB 2 MediumSlow 2025-10-07 19:07:36 View
20

Total Receptions

20

Unique Gateways