Packet #10599049 Success

POSITION_APP packet from EA4HDZ MdlS 🗼🌐 (AERO) to EA4HDZ Movil 📱 (AAVA)

15
Total Receptions
15
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 10599049
Mesh Packet ID: 0x7a079b30
Used for correlation across gateways
Timestamp: 2025-09-14 18:41:55 UTC
From Node: EA4HDZ MdlS 🗼🌐 (AERO)
To Node: EA4HDZ Movil 📱 (AAVA)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Venturada base🗼🌐 (Vb)
Channel: MediumSlow
RSSI: -111 dBm
SNR: -2.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:40.815821°
Longitude:-3.748659°
Altitude:1187 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:23 bytes
Gateway:!2f72ec6c
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
+ 4 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 !2f72ec6c
Node ID format
channel_id MediumSlow
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2956766060
Source node ID 		uint32
to 382730848
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 23 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 -2.25 dB
Signal quality at gateway 		float
rx_time 1757875314
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 108
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757875315.2208817
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
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ 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: !2f72ec6c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -111.0 dBm
SNR: -2.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.8158208, "longitude": -3.7486592, "altitude": 1187, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!2f72ec6c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956766060, "to": 382730848, "id": 2047318832, "rx_time": 1757875314, "rx_snr": -2.25, "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": 108, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00005418150000c4fd18a30925700cc7682801b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 408158208, "longitude_i": -37486592, "altitude": 1187, "time": 1757875312, "location_source": "LOC_MANUAL", "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d00005418150000c4fd18a30925700cc7682801b8010d
Hex Analysis:
Size:23 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
Venturada base🗼🌐 (Vb) Primary 0.000s
Reference 		-111.0 dBm -2.25 dB 0 MediumSlow 2025-09-14 18:41:55 Current
Venturada2🗼🌐☀️ (Vb2) +2.390s
After 		-83.0 dBm 6.75 dB 1 MediumSlow 2025-09-14 18:41:57 View
Tlgo 📡🌐🔋🔌 (TLG0) +2.735s
After 		-119.0 dBm -14.00 dB 1 MediumSlow 2025-09-14 18:41:57 View
GRN1-Base🗼🌐 (GRN1) +2.785s
After 		-122.0 dBm -12.75 dB 1 MediumSlow 2025-09-14 18:41:58 View
Meshtastic 18a4 (18a4) +3.589s
After 		-120.0 dBm -9.50 dB 2 MediumSlow 2025-09-14 18:41:58 View
Suop 📡 🌐 (SUOP) +3.602s
After 		-114.0 dBm -4.50 dB 2 MediumSlow 2025-09-14 18:41:58 View
Meshtastic 1760 (1760) +3.631s
After 		-126.0 dBm -7.25 dB 2 MediumSlow 2025-09-14 18:41:58 View
Mec Rocket Meco (MRM) +4.167s
After 		-117.0 dBm -15.00 dB 2 MediumSlow 2025-09-14 18:41:59 View
Ocumare_Base_🗼🌐 (CATA) +4.683s
After 		-87.0 dBm 5.75 dB 3 MediumSlow 2025-09-14 18:41:59 View
Will - Azuqueca (WAzq) +5.287s
After 		-112.0 dBm -12.25 dB 2 MediumSlow 2025-09-14 18:42:00 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +5.512s
After 		-111.0 dBm 0.50 dB 2 MediumSlow 2025-09-14 18:42:00 View
Meshtastic fbec (fbec) +5.585s
After 		-126.0 dBm -6.75 dB 2 MediumSlow 2025-09-14 18:42:00 View
🌐Charly Unid Movil🛰 (C181) +5.727s
After 		-117.0 dBm -14.25 dB 2 MediumSlow 2025-09-14 18:42:00 View
Meshtastic c498📡🌐 (C498) +8.430s
After 		-113.0 dBm -12.00 dB 3 MediumSlow 2025-09-14 18:42:03 View
Meshtastic 870c📡🌐 (870c) +9.292s
After 		-95.0 dBm 4.50 dB 4 MediumSlow 2025-09-14 18:42:04 View
15

Total Receptions

15

Unique Gateways