Packet #3962221 Success

POSITION_APP packet from The Clan Móvil 🛻 (TCLM) to The Clan Solar 🫡 (TCLS)

8
Total Receptions
8
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 3962221
Mesh Packet ID: 0x8650d234
Used for correlation across gateways
Timestamp: 2025-07-17 11:14:07 UTC
From Node: The Clan Móvil 🛻 (TCLM)
To Node: The Clan Solar 🫡 (TCLS)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Venturada2🗼🌐☀️ (Vb2)
Channel: MediumSlow
RSSI: -111 dBm
SNR: -13.0 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.553816°
Longitude:-3.656136°
Altitude:708 m
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:!a03526b0
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a03526b0
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 3758940316
Source node ID 		uint32
to 1294301078
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 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 -111.0 dBm
Signal strength at gateway 		int32
rx_snr -13.00 dB
Signal quality at gateway 		float
rx_time 1752750847
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 156
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752750847.813392
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a03526b0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -111.0 dBm
SNR: -13.00 dB
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": 40.5538162, "longitude": -3.6561362, "altitude": 708, "sats_in_view": null, "precision_bits": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a03526b0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3758940316, "to": 1294301078, "id": 2253443636, "rx_time": 1752750847, "rx_snr": -13.0, "rx_rssi": -111, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 156, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d72052c18152e1ed2fd18c40525e4da7868280348f00b780480011f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 405538162, "longitude_i": -36561362, "altitude": 708, "time": 1752750820, "location_source": "LOC_EXTERNAL", "altitude_hae": 760, "ground_speed": 4, "ground_track": 31, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d72052c18152e1ed2fd18c40525e4da7868280348f00b780480011f
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 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
Venturada2🗼🌐☀️ (Vb2) Primary 0.000s
Reference 		-111.0 dBm -13.00 dB 0 MediumSlow 2025-07-17 11:14:07 Current
Ocumare_Base1_🗼🌐 (CATA) +0.496s
After 		-103.0 dBm -3.25 dB 0 MediumSlow 2025-07-17 11:14:08 View
Wake Up, Neo...📡 (NEO) +3.175s
After 		-92.0 dBm -0.50 dB 2 MediumSlow 2025-07-17 11:14:10 View
Alvaro (Alv) +3.379s
After 		-116.0 dBm -3.50 dB 2 MediumSlow 2025-07-17 11:14:11 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +3.483s
After 		-112.0 dBm -1.00 dB 2 MediumSlow 2025-07-17 11:14:11 View
GRN1-Base📡🌐 (GRN1) +3.502s
After 		-107.0 dBm 0.75 dB 2 MediumSlow 2025-07-17 11:14:11 View
@lazynoda Rooftop 🍹 🌐 (LNRT) +5.193s
After 		-104.0 dBm 6.00 dB 3 MediumSlow 2025-07-17 11:14:13 View
Meshtastic a3e8 (a3e8) +1904.328s
After 		-93.0 dBm 1.00 dB 0 MediumSlow 2025-07-17 11:45:52 View
8

Total Receptions

8

Unique Gateways