Packet #27081484 Success

POSITION_APP packet from 🌐Charly Torre 3🛰 (C186) to !ffffffff

17
Total Receptions
17
Unique Gateways
3
Hop Count
27
Payload Bytes
Packet Information
Database ID: 27081484
Mesh Packet ID: 0x5f256ec9
Used for correlation across gateways
Timestamp: 2025-12-12 00:17:05 UTC
From Node: 🌐Charly Torre 3🛰 (C186)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Test_Skynet_01 (TS01)
Channel: MediumFast
RSSI: -124 dBm
SNR: -12.75 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: d1 👾
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343142°
Longitude:-3.706880°
Altitude:25 m
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:27 bytes
Gateway:!5cf9bc7b
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !5cf9bc7b
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2047863857
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 27 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 -124.0 dBm
Signal strength at gateway 		int32
rx_snr -12.75 dB
Signal quality at gateway 		float
rx_time 1765498574
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 209
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765498625.9781399
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: MediumFast
  • ✓ 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: !5cf9bc7b
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Signal Metrics: RSSI: -124.0 dBm
SNR: -12.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3431424, "longitude": -3.70688, "altitude": 25, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!5cf9bc7b", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2047863857, "to": 4294967295, "id": 1596288713, "rx_time": 1765498574, "rx_snr": -12.75, "rx_rssi": -124, "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": 209, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00e00b18150060cafd181925d25e3b6928017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403431424, "longitude_i": -37068800, "altitude": 25, "time": 1765498578, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00e00b18150060cafd181925d25e3b6928017800800100b80112
Hex Analysis:
Size:27 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 Relay Channel Timestamp Actions
Test_Skynet_01 (TS01) Primary 0.000s
Reference 		-124.0 dBm -12.75 dB 3 d1 👾 MediumFast 2025-12-12 00:17:05 UTC Current
Karabanchel_Baldur (KarB) -53.071s
Before 		-101.0 dBm -1.00 dB 1 90 C181 MediumFast 2025-12-12 00:16:12 UTC View
Wake Up, Neo...📡 (NEO) -52.560s
Before 		-96.0 dBm -7.75 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
ETH Gripen (ET39) -52.558s
Before 		-81.0 dBm -13.75 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -52.530s
Before 		-92.0 dBm -2.75 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
mario (mmm) -52.466s
Before 		-110.0 dBm -6.25 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
srs-h3 📡🌐 (srs0) -52.260s
Before 		-123.0 dBm -12.50 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
Meshtastic 870c📡🌐 (870c) -52.225s
Before 		-112.0 dBm -5.00 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
Meshtastic 1760 (1760) -52.221s
Before 		-124.0 dBm -5.50 dB 2 24 vid MediumFast 2025-12-12 00:16:13 UTC View
Meshtastic 18a4 (18a4) -51.850s
Before 		Unknown Unknown 3 60 1760 MediumFast 2025-12-12 00:16:14 UTC View
Meshtastic b2b4📡🌐 (b2b4) -51.561s
Before 		-94.0 dBm 5.50 dB 2 24 vid MediumFast 2025-12-12 00:16:14 UTC View
Mec Rocket Meco (MRM) -51.336s
Before 		-114.0 dBm -13.50 dB 4 c0 sdAh MediumFast 2025-12-12 00:16:14 UTC View
tizon (Sylv) -51.232s
Before 		-89.0 dBm 10.00 dB 2 24 vid MediumFast 2025-12-12 00:16:14 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -51.191s
Before 		-116.0 dBm -13.25 dB 2 24 vid MediumFast 2025-12-12 00:16:14 UTC View
Ocumare Norte🗼🌐 (RRN) -50.873s
Before 		-103.0 dBm -8.25 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-12 00:16:15 UTC View
Getafe ☀️ (GTF) -43.494s
Before 		-106.0 dBm 3.50 dB 2 24 vid MediumFast 2025-12-12 00:16:22 UTC View
Meshtastic ca85 (ca85) -40.959s
Before 		-108.0 dBm -5.25 dB 2 24 vid MediumFast 2025-12-12 00:16:25 UTC View
17

Total Receptions

17

Unique Gateways