Packet #10684128 Success

POSITION_APP packet from Skynet_Torre_CL 🌞 🗼 (SkyT) to !ffffffff

25
Total Receptions
25
Unique Gateways
2
Hop Count
20
Payload Bytes
Packet Information
Database ID: 10684128
Mesh Packet ID: 0x8d6c5278
Used for correlation across gateways
Timestamp: 2025-09-15 08:51:42 UTC
From Node: Skynet_Torre_CL 🌞 🗼 (SkyT)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic c498📡🌐 (C498)
Channel: MediumSlow
RSSI: -120 dBm
SNR: -15.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.321024°
Longitude:-3.706061°
Precision:16 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:20 bytes
Gateway:!7c5ac498
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:2 / 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 !7c5ac498
Node ID format
channel_id MediumSlow
packet MeshPacket (20 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4005990957
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 20 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 -120.0 dBm
Signal strength at gateway 		int32
rx_snr -15.50 dB
Signal quality at gateway 		float
rx_time 1757926300
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 1757926302.3872736
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 (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7c5ac498
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -120.0 dBm
SNR: -15.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:20 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.321024, "longitude": -3.7060608, "altitude": null, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!7c5ac498", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4005990957, "to": 4294967295, "id": 2372686456, "rx_time": 1757926300, "rx_snr": -15.5, "rx_rssi": -120, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00800818150080cafd259ad3c7682801b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403210240, "longitude_i": -37060608, "time": 1757926298, "location_source": "LOC_MANUAL", "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0d00800818150080cafd259ad3c7682801b80110
Hex Analysis:
Size:20 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
Meshtastic c498📡🌐 (C498) Primary 0.000s
Reference 		-120.0 dBm -15.50 dB 2 MediumSlow 2025-09-15 08:51:42 Current
🌐Charly Unid Movil🛰 (C181) -1.640s
Before 		-117.0 dBm -14.75 dB 0 MediumSlow 2025-09-15 08:51:40 View
Perseo 📡 🌐 (nvm1) -1.377s
Before 		-109.0 dBm -11.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Will - Azuqueca (WAzq) -1.200s
Before 		-111.0 dBm -13.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Venturada2🗼🌐☀️ (Vb2) -1.193s
Before 		-96.0 dBm 0.50 dB 1 MediumSlow 2025-09-15 08:51:41 View
Tlgo 📡🌐🔋🔌 (TLG0) -1.059s
Before 		-112.0 dBm -5.75 dB 1 MediumSlow 2025-09-15 08:51:41 View
Rodashtastic🗼🌐 (RDSt) -0.884s
Before 		-112.0 dBm -4.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Meshtastic 1760 (1760) -0.879s
Before 		-124.0 dBm -6.25 dB 1 MediumSlow 2025-09-15 08:51:41 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -0.865s
Before 		-106.0 dBm 4.25 dB 1 MediumSlow 2025-09-15 08:51:41 View
Meshtastic fbec (fbec) -0.848s
Before 		-129.0 dBm -7.75 dB 1 MediumSlow 2025-09-15 08:51:41 View
Mec Rocket Meco (MRM) -0.201s
Before 		-35.0 dBm 9.25 dB 2 MediumSlow 2025-09-15 08:51:42 View
Meshtastic 7960 (7960) -0.141s
Before 		-66.0 dBm 8.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
Venturada base🗼🌐 (Vb) -0.007s
Before 		-99.0 dBm 5.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
Muev.E 📱🧭 (MVE) +0.035s
After 		-99.0 dBm -16.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
GRN1-Base🗼🌐 (GRN1) +0.081s
After 		-116.0 dBm -9.00 dB 2 MediumSlow 2025-09-15 08:51:42 View
MeshPrepper (MP) +0.255s
After 		-124.0 dBm -18.00 dB 2 MediumSlow 2025-09-15 08:51:42 View
Vaguada Portable (Vgda) +0.652s
After 		-103.0 dBm Unknown 2 MediumSlow 2025-09-15 08:51:43 View
Zion 🗼 (Zion) +0.977s
After 		-110.0 dBm -16.25 dB 2 MediumSlow 2025-09-15 08:51:43 View
Torrijos Meshtastic 2 (ToR2) +1.245s
After 		-52.0 dBm 8.75 dB 2 MediumSlow 2025-09-15 08:51:43 View
Meshtastic 870c📡🌐 (870c) +1.607s
After 		-95.0 dBm 3.25 dB 3 MediumSlow 2025-09-15 08:51:43 View
LoRaEncomienda (LREC) +3.083s
After 		-123.0 dBm -4.75 dB 2 MediumSlow 2025-09-15 08:51:45 View
Meshtastic b0e4 (b0e4) +4.851s
After 		-127.0 dBm -16.00 dB 3 MediumSlow 2025-09-15 08:51:47 View
🌐Byg Boy 81 Movil🛰 (MT46) +17.933s
After 		-105.0 dBm 3.75 dB 2 MediumSlow 2025-09-15 08:52:00 View
Ocumare_Base_🗼🌐 (CATA) +307.706s
After 		-116.0 dBm -13.25 dB 1 MediumSlow 2025-09-15 08:56:50 View
Torrijos Meshtastic 1 (ToR1) +1206.034s
After 		-123.0 dBm -16.25 dB 1 MediumSlow 2025-09-15 09:11:48 View
25

Total Receptions

25

Unique Gateways