Packet #10575972 Success

POSITION_APP packet from Meshtastic 299b (299b) to !ffffffff

19
Total Receptions
19
Unique Gateways
0
Hop Count
32
Payload Bytes
Packet Information
Database ID: 10575972
Mesh Packet ID: 0xf6770375
Used for correlation across gateways
Timestamp: 2025-09-14 15:41:44 UTC
From Node: Meshtastic 299b (299b)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 299b (299b)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: POSITION_APP
Size: 32 bytes
Decoded: Yes
Decoded Data:
Latitude:40.340600°
Longitude:-3.746070°
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:32 bytes
Gateway:!1237299b
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:Unknown / 5
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 !1237299b
Node ID format
channel_id MediumSlow
packet MeshPacket (32 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 305605019
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 32 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 5
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 1757864503
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 155
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757864504.8102183
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: !1237299b
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:32 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3406, "longitude": -3.74607, "altitude": 0, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!1237299b", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 305605019, "to": 4294967295, "id": 4134994805, "rx_time": 1757864503, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 155, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0db07c0b18152465c4fd18002537e2c668280150007800800100b00149b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403406000, "longitude_i": -37460700, "altitude": 0, "time": 1757864503, "location_source": "LOC_MANUAL", "altitude_geoidal_separation": 0, "ground_speed": 0, "ground_track": 0, "seq_number": 73, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (32 bytes)
0db07c0b18152465c4fd18002537e2c668280150007800800100b00149b80120
Hex Analysis:
Size:32 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
Meshtastic 299b (299b) Primary 0.000s
Reference
Unknown Unknown 0 MediumSlow 2025-09-14 15:41:44 Current
Perseo 🗼🌐 (nvm1) +3.059s
After
-107.0 dBm -13.50 dB 3 MediumSlow 2025-09-14 15:41:47 View
Tlgo 📡🌐🔋🔌 (TLG0) +3.397s
After
-111.0 dBm -7.00 dB 3 MediumSlow 2025-09-14 15:41:48 View
GRN1-Base🗼🌐 (GRN1) +3.416s
After
-111.0 dBm -3.50 dB 3 MediumSlow 2025-09-14 15:41:48 View
Villalbilla02 (VBV2) +3.697s
After
-122.0 dBm -13.75 dB 3 MediumSlow 2025-09-14 15:41:48 View
Venturada2🗼🌐☀️ (Vb2) +3.791s
After
-97.0 dBm -1.25 dB 3 MediumSlow 2025-09-14 15:41:48 View
Will - Azuqueca (WAzq) +3.793s
After
-113.0 dBm -13.25 dB 3 MediumSlow 2025-09-14 15:41:48 View
Mec Rocket Meco (MRM) +3.794s
After
-119.0 dBm -17.75 dB 3 MediumSlow 2025-09-14 15:41:48 View
Meshtastic 1760 (1760) +4.097s
After
-119.0 dBm -4.75 dB 3 MediumSlow 2025-09-14 15:41:48 View
Meshtastic fbec (fbec) +4.155s
After
-126.0 dBm -6.25 dB 3 MediumSlow 2025-09-14 15:41:48 View
🌐Charly Unid Movil🛰 (C181) +4.222s
After
-116.0 dBm -14.50 dB 3 MediumSlow 2025-09-14 15:41:49 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +4.245s
After
-111.0 dBm 0.25 dB 3 MediumSlow 2025-09-14 15:41:49 View
Meshtastic 18a4 (18a4) +4.345s
After
Unknown Unknown 4 MediumSlow 2025-09-14 15:41:49 View
Venturada base🗼🌐 (Vb) +4.437s
After
-112.0 dBm -3.75 dB 3 MediumSlow 2025-09-14 15:41:49 View
Jolu (20bc) +4.764s
After
-116.0 dBm -15.00 dB 3 MediumSlow 2025-09-14 15:41:49 View
Meshtastic 7960 (7960) +4.864s
After
-66.0 dBm 8.25 dB 4 MediumSlow 2025-09-14 15:41:49 View
Zion 🗼 (Zion) +5.356s
After
-108.0 dBm -15.25 dB 4 MediumSlow 2025-09-14 15:41:50 View
Ocumare_Base_🗼🌐 (CATA) +5.398s
After
-87.0 dBm 5.25 dB 4 MediumSlow 2025-09-14 15:41:50 View
Glitchs Azuqueca 📡 (GltA) +5.545s
After
-126.0 dBm -14.25 dB 4 MediumSlow 2025-09-14 15:41:50 View
19

Total Receptions

19

Unique Gateways