Packet #13984233 Success

POSITION_APP packet from jopsis_tracker (70d1) to !ffffffff

18
Total Receptions
18
Unique Gateways
3
Hop Count
47
Payload Bytes
Packet Information
Database ID: 13984233
Mesh Packet ID: 0xa6ce6272
Used for correlation across gateways
Timestamp: 2025-10-07 10:03:07 UTC
From Node: jopsis_tracker (70d1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Quass001 ☄️ (Q001)
Channel: MediumSlow
RSSI: -102 dBm
SNR: 4.0 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 47 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316342°
Longitude:-3.705402°
Altitude:620 m
Satellites:11
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:47 bytes
Gateway:!9e9a932c
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e9a932c
Node ID format
channel_id MediumSlow
packet MeshPacket (47 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 578056401
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 47 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -102.0 dBm
Signal strength at gateway
int32
rx_snr 4.00 dB
Signal quality at gateway
float
rx_time 1759831387
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 Not set uint32
tx_after Not set uint32
timestamp 1759831387.761207
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e9a932c
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -102.0 dBm
SNR: 4.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:47 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3163416, "longitude": -3.7054016, "altitude": 620, "sats_in_view": 11, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9a932c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 578056401, "to": 4294967295, "id": 2798543474, "rx_time": 1759831387, "rx_snr": 4.0, "rx_rssi": -102, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d18c9071815c099cafd18ec042554e5e46828023d3ce5e468506658fc0178038001a8bad11098010bb00101b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403163416, "longitude_i": -37054016, "altitude": 620, "time": 1759831380, "location_source": "LOC_INTERNAL", "timestamp": 1759831356, "altitude_geoidal_separation": 51, "PDOP": 252, "ground_speed": 3, "ground_track": 34889000, "sats_in_view": 11, "seq_number": 1, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (47 bytes)
0d18c9071815c099cafd18ec042554e5e46828023d3ce5e468506658fc0178038001a8bad11098010bb00101b80120
Hex Analysis:
Size:47 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...

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
Quass001 ☄️ (Q001) Primary 0.000s
Reference
-102.0 dBm 4.00 dB 3 MediumSlow 2025-10-07 10:03:07 Current
tizon (Sylv) -6.338s
Before
-112.0 dBm -1.00 dB 0 MediumSlow 2025-10-07 10:03:01 View
Baldur Fijo (BalF) -2.223s
Before
-106.0 dBm -4.00 dB 1 MediumSlow 2025-10-07 10:03:05 View
[TLG] 📡🌐🔋🔌 (tlg0) -1.320s
Before
-111.0 dBm -6.50 dB 2 MediumSlow 2025-10-07 10:03:06 View
GRN1-Base🗼🌐 (GRN1) -1.310s
Before
-102.0 dBm -6.50 dB 2 MediumSlow 2025-10-07 10:03:06 View
Mec Rocket Meco (MRM) -0.103s
Before
-83.0 dBm 8.50 dB 3 MediumSlow 2025-10-07 10:03:07 View
Quass002 ☄️ (Q002) +0.006s
After
-107.0 dBm 0.25 dB 3 MediumSlow 2025-10-07 10:03:07 View
Rodashtastic🗼🌐 (RDSt) +0.218s
After
-115.0 dBm -7.25 dB 3 MediumSlow 2025-10-07 10:03:07 View
Meshtastic 18a4 (18a4) +0.539s
After
-123.0 dBm -12.00 dB 3 MediumSlow 2025-10-07 10:03:08 View
Venturada2🗼🌐☀️ (Vb2) +0.986s
After
-110.0 dBm -12.25 dB 4 MediumSlow 2025-10-07 10:03:08 View
Oxygen EA4HKU (O) +1.216s
After
-106.0 dBm -1.50 dB 3 MediumSlow 2025-10-07 10:03:08 View
Kenobi23 QTH (5aec) +1.473s
After
-98.0 dBm 0.50 dB 3 MediumSlow 2025-10-07 10:03:09 View
Carbon EA4HKU (C) +1.487s
After
-113.0 dBm -4.00 dB 3 MediumSlow 2025-10-07 10:03:09 View
Monolito (MoN) +1.732s
After
-75.0 dBm 8.75 dB 4 MediumSlow 2025-10-07 10:03:09 View
Meshtastic 1760 (1760) +1.875s
After
Unknown Unknown 4 MediumSlow 2025-10-07 10:03:09 View
Kenobi23 movil (5672) +2.727s
After
-47.0 dBm 8.25 dB 4 MediumSlow 2025-10-07 10:03:10 View
Ocumare_Home_📱⚡ (RRN) +4.150s
After
-92.0 dBm 8.50 dB 4 MediumSlow 2025-10-07 10:03:11 View
Arganda C191 🌐 (ARG) +7926.139s
After
-117.0 dBm -6.00 dB 2 MediumSlow 2025-10-07 12:15:13 View
18

Total Receptions

18

Unique Gateways