Packet #10589530 Success

POSITION_APP packet from EA4HDZ Movil πŸ“± (AAVA) to !ffffffff

22
Total Receptions
22
Unique Gateways
2
Hop Count
37
Payload Bytes
Packet Information
Database ID: 10589530
Mesh Packet ID: 0x40a7f0a0
Used for correlation across gateways
Timestamp: 2025-09-14 17:31:04 UTC
From Node: EA4HDZ Movil πŸ“± (AAVA)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0)
Channel: MediumSlow
RSSI: -111 dBm
SNR: -7.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:40.815821Β°
Longitude:-3.748659Β°
Altitude:1145 m
Satellites:6
Precision:13 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:37 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 382730848
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 37 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -111.0 dBm
Signal strength at gateway
int32
rx_snr -7.50 dB
Signal quality at gateway
float
rx_time 1757871062
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 8
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757871064.1941435
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
  • βœ“ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -111.0 dBm
SNR: -7.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.8158208, "longitude": -3.7486592, "altitude": 1145, "sats_in_view": 6, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 382730848, "to": 4294967295, "id": 1084747936, "rx_time": 1757871062, "rx_snr": -7.5, "rx_rssi": -111, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00005418150000c4fd18f9082529fcc668280258c70378018001e8c2f50a980106b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 408158208, "longitude_i": -37486592, "altitude": 1145, "time": 1757871145, "location_source": "LOC_INTERNAL", "PDOP": 455, "ground_speed": 1, "ground_track": 22897000, "sats_in_view": 6, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00005418150000c4fd18f9082529fcc668280258c70378018001e8c2f50a980106b8010d
Hex Analysis:
Size:37 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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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
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) Primary 0.000s
Reference
-111.0 dBm -7.50 dB 2 MediumSlow 2025-09-14 17:31:04 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -0.332s
Before
-96.0 dBm -2.25 dB 2 MediumSlow 2025-09-14 17:31:03 View
Will - Azuqueca (WAzq) -0.328s
Before
-112.0 dBm -12.00 dB 2 MediumSlow 2025-09-14 17:31:03 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) -0.049s
Before
-111.0 dBm 0.75 dB 2 MediumSlow 2025-09-14 17:31:04 View
Meshtastic 1760 (1760) -0.029s
Before
-123.0 dBm -5.75 dB 2 MediumSlow 2025-09-14 17:31:04 View
RodashtasticπŸ—ΌπŸŒ (RDSt) -0.022s
Before
-114.0 dBm -5.75 dB 2 MediumSlow 2025-09-14 17:31:04 View
Meshtastic fbec (fbec) +0.018s
After
-127.0 dBm -7.00 dB 2 MediumSlow 2025-09-14 17:31:04 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) +0.024s
After
-99.0 dBm 7.75 dB 2 MediumSlow 2025-09-14 17:31:04 View
Venturada baseπŸ—ΌπŸŒ (Vb) +0.063s
After
-94.0 dBm 7.00 dB 1 MediumSlow 2025-09-14 17:31:04 View
Villalbilla02 (VBV2) +0.073s
After
-116.0 dBm -6.50 dB 2 MediumSlow 2025-09-14 17:31:04 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +0.186s
After
-112.0 dBm -11.75 dB 2 MediumSlow 2025-09-14 17:31:04 View
Meshtastic 18a4 (18a4) +0.336s
After
Unknown Unknown 3 MediumSlow 2025-09-14 17:31:04 View
Meshtastic c498πŸ“‘πŸŒ (C498) +0.862s
After
-115.0 dBm -8.50 dB 3 MediumSlow 2025-09-14 17:31:05 View
Meshtastic 53fc (53fc) +0.877s
After
-117.0 dBm -5.75 dB 3 MediumSlow 2025-09-14 17:31:05 View
Mec Rocket Meco (MRM) +0.882s
After
-35.0 dBm 9.00 dB 3 MediumSlow 2025-09-14 17:31:05 View
Meshtastic 9f30 (9f30) +1.042s
After
-121.0 dBm -14.75 dB 3 MediumSlow 2025-09-14 17:31:05 View
Perseo πŸ“‘ 🌐 (nvm1) +1.089s
After
-87.0 dBm 6.50 dB 3 MediumSlow 2025-09-14 17:31:05 View
Suop πŸ“‘ 🌐 (SUOP) +2.243s
After
-113.0 dBm -5.25 dB 3 MediumSlow 2025-09-14 17:31:06 View
Ventilla πŸ“‘πŸŒ (VENT) +3.305s
After
-118.0 dBm -12.00 dB 4 MediumSlow 2025-09-14 17:31:07 View
Raor🐟 (PMI) +3.619s
After
-109.0 dBm -6.75 dB 2 MediumSlow 2025-09-14 17:31:07 View
Meshtastic b0e4 (b0e4) +12.065s
After
-128.0 dBm -17.25 dB 4 MediumSlow 2025-09-14 17:31:16 View
🌐Charly Unid MovilπŸ›° (C181) +27.503s
After
-118.0 dBm -15.00 dB 2 MediumSlow 2025-09-14 17:31:31 View
22

Total Receptions

22

Unique Gateways