Packet #14000960 Success

POSITION_APP packet from XiaoWatt c4c8 🌐🔌 (c4c8) to !ffffffff

20
Total Receptions
20
Unique Gateways
0
Hop Count
20
Payload Bytes
Packet Information
Database ID: 14000960
Mesh Packet ID: 0x862d29bb
Used for correlation across gateways
Timestamp: 2025-10-07 12:42:41 UTC
From Node: XiaoWatt c4c8 🌐🔌 (c4c8)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: XiaoWatt c4c8 🌐🔌 (c4c8)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.431000°
Longitude:-3.635031°
Precision:32 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:20 bytes
Gateway:!3387c4c8
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:Unknown / 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 !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 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 20 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
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 1759840960
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 200
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759840961.0294278
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": 4294967295, "id": 2251106747, "rx_time": 1759840960, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0df0471918159a56d5fd25c00ae5682801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404310000, "longitude_i": -36350310, "time": 1759840960, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0df0471918159a56d5fd25c00ae5682801b80120
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

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
XiaoWatt c4c8 🌐🔌 (c4c8) Primary 0.000s
Reference 		Unknown Unknown 0 MediumSlow 2025-10-07 12:42:41 Current
[TLG] 📡🌐🔋🔌 (tlg0) +1.021s
After 		-112.0 dBm -7.00 dB 0 MediumSlow 2025-10-07 12:42:42 View
Meshtastic 2688 (2688) +3.761s
After 		-138.0 dBm -16.50 dB 2 MediumSlow 2025-10-07 12:42:44 View
Venturada2🗼🌐☀️ (Vb2) +4.294s
After 		-89.0 dBm 3.75 dB 3 MediumSlow 2025-10-07 12:42:45 View
Oxygen EA4HKU (O) +4.339s
After 		-104.0 dBm 0.50 dB 3 MediumSlow 2025-10-07 12:42:45 View
Carbon EA4HKU (C) +4.633s
After 		-120.0 dBm -9.00 dB 3 MediumSlow 2025-10-07 12:42:45 View
Meshtastic 18a4 (18a4) +4.668s
After 		-124.0 dBm -13.00 dB 3 MediumSlow 2025-10-07 12:42:45 View
Ocumare_Base_🗼🌐 (CATA) +4.681s
After 		-120.0 dBm -14.25 dB 3 MediumSlow 2025-10-07 12:42:45 View
Suop 📡 🌐 (SUOP) +4.688s
After 		-121.0 dBm -14.00 dB 3 MediumSlow 2025-10-07 12:42:45 View
GRN1-Base🗼🌐 (GRN1) +4.730s
After 		-101.0 dBm -8.00 dB 2 MediumSlow 2025-10-07 12:42:45 View
Rodashtastic🗼🌐 (RDSt) +5.057s
After 		-114.0 dBm -7.25 dB 3 MediumSlow 2025-10-07 12:42:46 View
Monolito (MoN) +5.087s
After 		-64.0 dBm 8.50 dB 3 MediumSlow 2025-10-07 12:42:46 View
Quass002 ☄️ (Q002) +5.666s
After 		-124.0 dBm -14.50 dB 4 MediumSlow 2025-10-07 12:42:46 View
Meshtastic 1760 (1760) +5.708s
After 		-54.0 dBm 14.25 dB 4 MediumSlow 2025-10-07 12:42:46 View
Mec Rocket Meco (MRM) +15.123s
After 		-82.0 dBm 7.75 dB 3 MediumSlow 2025-10-07 12:42:56 View
Baldur Fijo (BalF) +47.764s
After 		-107.0 dBm -4.25 dB 2 MediumSlow 2025-10-07 12:43:28 View
Trasto 🐰 Va (trva) +47.769s
After 		-105.0 dBm -2.75 dB 2 MediumSlow 2025-10-07 12:43:28 View
tizon (Sylv) +47.781s
After 		-110.0 dBm 1.00 dB 2 MediumSlow 2025-10-07 12:43:28 View
🌐Charly Unid Movil🛰 (C181) +49.170s
After 		-120.0 dBm -16.25 dB 3 MediumSlow 2025-10-07 12:43:30 View
Hugo 📱🌡️ (HUGO) +1933.775s
After 		-41.0 dBm 12.25 dB 4 MediumSlow 2025-10-07 13:14:54 View
20

Total Receptions

20

Unique Gateways