Packet #13909218 Success

POSITION_APP packet from 🌐Charly Unid Movil🛰 (C181) to !ffffffff

18
Total Receptions
18
Unique Gateways
1
Hop Count
37
Payload Bytes
Packet Information
Database ID: 13909218
Mesh Packet ID: 0xe0141700
Used for correlation across gateways
Timestamp: 2025-10-06 20:48:49 UTC
From Node: 🌐Charly Unid Movil🛰 (C181)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Baldur Fijo (BalF)
Channel: MediumSlow
RSSI: -108 dBm
SNR: -4.75 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: POSITION_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343142°
Longitude:-3.706880°
Altitude:750 m
Satellites:5
Precision:18 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:37 bytes
Gateway:!9ea14a78
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:1 / 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 !9ea14a78
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 2956846908
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 3
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -108.0 dBm
Signal strength at gateway 		int32
rx_snr -4.75 dB
Signal quality at gateway 		float
rx_time 1759783728
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 28
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759783729.367942
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ea14a78
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Signal Metrics: RSSI: -108.0 dBm
SNR: -4.75 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": 40.3431424, "longitude": -3.70688, "altitude": 750, "sats_in_view": 5, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea14a78", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956846908, "to": 4294967295, "id": 3759412992, "rx_time": 1759783728, "rx_snr": -4.75, "rx_rssi": -108, "hop_limit": 3, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 28, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00e00b18150060cafd18ee0525302be468280258fd0178008001e090c60d980105b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403431424, "longitude_i": -37068800, "altitude": 750, "time": 1759783728, "location_source": "LOC_INTERNAL", "PDOP": 253, "ground_speed": 0, "ground_track": 28412000, "sats_in_view": 5, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00e00b18150060cafd18ee0525302be468280258fd0178008001e090c60d980105b80112
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

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
Baldur Fijo (BalF) Primary 0.000s
Reference 		-108.0 dBm -4.75 dB 1 MediumSlow 2025-10-06 20:48:49 Current
tizon (Sylv) +0.017s
After 		-101.0 dBm 6.50 dB 1 MediumSlow 2025-10-06 20:48:49 View
[TLG] 📡🌐🔋🔌 (tlg0) +0.837s
After 		-110.0 dBm -3.00 dB 2 MediumSlow 2025-10-06 20:48:50 View
GRN1-Base🗼🌐 (GRN1) +0.839s
After 		-100.0 dBm -4.00 dB 2 MediumSlow 2025-10-06 20:48:50 View
Oxygen EA4HKU (O) +1.419s
After 		-119.0 dBm -16.25 dB 3 MediumSlow 2025-10-06 20:48:50 View
Venturada2🗼🌐☀️ (Vb2) +1.518s
After 		-88.0 dBm 5.75 dB 3 MediumSlow 2025-10-06 20:48:50 View
Carbon EA4HKU (C) +1.702s
After 		-108.0 dBm 1.75 dB 3 MediumSlow 2025-10-06 20:48:51 View
Suop 📡 🌐 (SUOP) +1.788s
After 		-117.0 dBm -9.50 dB 3 MediumSlow 2025-10-06 20:48:51 View
Villalbilla02 (VBV2) +1.839s
After 		-124.0 dBm -14.50 dB 3 MediumSlow 2025-10-06 20:48:51 View
Meshtastic 870c📡🌐 (870c) +1.991s
After 		-96.0 dBm 5.25 dB 3 MediumSlow 2025-10-06 20:48:51 View
Machu Pichu (MaPi) +2.352s
After 		-104.0 dBm -9.75 dB 4 MediumSlow 2025-10-06 20:48:51 View
g1bal (g1b0) +2.559s
After 		-101.0 dBm -15.50 dB 4 MediumSlow 2025-10-06 20:48:51 View
Rodashtastic🗼🌐 (RDSt) +3.081s
After 		-114.0 dBm -7.50 dB 3 MediumSlow 2025-10-06 20:48:52 View
EA5GHE-09 (58a8) +3.444s
After 		-99.0 dBm 2.00 dB 4 MediumSlow 2025-10-06 20:48:52 View
Meshtastic 1760 (1760) +3.806s
After 		-131.0 dBm -13.25 dB 4 MediumSlow 2025-10-06 20:48:53 View
Ocumare_Base_🗼🌐 (CATA) +32.732s
After 		-82.0 dBm 7.25 dB 4 MediumSlow 2025-10-06 20:49:22 View
Antonio 82d4 (82d4) +527.620s
After 		-122.0 dBm -14.25 dB 3 MediumSlow 2025-10-06 20:57:36 View
🌐Charly Unid Movil🛰 (C181) +647.630s
After 		Unknown Unknown 0 MediumSlow 2025-10-06 20:59:36 View
18

Total Receptions

18

Unique Gateways