Packet #10684123 Success

POSITION_APP packet from Skynet_Torre_CL ๐ŸŒž ๐Ÿ—ผ (SkyT) to !ffffffff

25
Total Receptions
25
Unique Gateways
1
Hop Count
20
Payload Bytes
Packet Information
Database ID: 10684123
Mesh Packet ID: 0x8d6c5278
Used for correlation across gateways
Timestamp: 2025-09-15 08:51:41 UTC
From Node: Skynet_Torre_CL ๐ŸŒž ๐Ÿ—ผ (SkyT)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic fbec (fbec)
Channel: MediumSlow
RSSI: -129 dBm
SNR: -7.75 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.321024ยฐ
Longitude:-3.706061ยฐ
Precision:16 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:20 bytes
Gateway:!7aa6fbec
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !7aa6fbec
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 3
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -129.0 dBm
Signal strength at gateway
int32
rx_snr -7.75 dB
Signal quality at gateway
float
rx_time 1757926299
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 1757926301.5389435
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Full GPS precision shared
  • โš  Multi-hop path visible (1 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7aa6fbec
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -129.0 dBm
SNR: -7.75 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": "!7aa6fbec", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4005990957, "to": 4294967295, "id": 2372686456, "rx_time": 1757926299, "rx_snr": -7.75, "rx_rssi": -129, "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": 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
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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 fbec (fbec) Primary 0.000s
Reference
-129.0 dBm -7.75 dB 1 MediumSlow 2025-09-15 08:51:41 Current
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) -0.792s
Before
-117.0 dBm -14.75 dB 0 MediumSlow 2025-09-15 08:51:40 View
Perseo ๐Ÿ“ก ๐ŸŒ (nvm1) -0.528s
Before
-109.0 dBm -11.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Will - Azuqueca (WAzq) -0.352s
Before
-111.0 dBm -13.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -0.344s
Before
-96.0 dBm 0.50 dB 1 MediumSlow 2025-09-15 08:51:41 View
Tlgo ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (TLG0) -0.211s
Before
-112.0 dBm -5.75 dB 1 MediumSlow 2025-09-15 08:51:41 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -0.036s
Before
-112.0 dBm -4.00 dB 1 MediumSlow 2025-09-15 08:51:41 View
Meshtastic 1760 (1760) -0.031s
Before
-124.0 dBm -6.25 dB 1 MediumSlow 2025-09-15 08:51:41 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) -0.017s
Before
-106.0 dBm 4.25 dB 1 MediumSlow 2025-09-15 08:51:41 View
Mec Rocket Meco (MRM) +0.648s
After
-35.0 dBm 9.25 dB 2 MediumSlow 2025-09-15 08:51:42 View
Meshtastic 7960 (7960) +0.707s
After
-66.0 dBm 8.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) +0.841s
After
-99.0 dBm 5.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) +0.848s
After
-120.0 dBm -15.50 dB 2 MediumSlow 2025-09-15 08:51:42 View
Muev.E ๐Ÿ“ฑ๐Ÿงญ (MVE) +0.883s
After
-99.0 dBm -16.75 dB 2 MediumSlow 2025-09-15 08:51:42 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) +0.930s
After
-116.0 dBm -9.00 dB 2 MediumSlow 2025-09-15 08:51:42 View
MeshPrepper (MP) +1.104s
After
-124.0 dBm -18.00 dB 2 MediumSlow 2025-09-15 08:51:42 View
Vaguada Portable (Vgda) +1.500s
After
-103.0 dBm Unknown 2 MediumSlow 2025-09-15 08:51:43 View
Zion ๐Ÿ—ผ (Zion) +1.825s
After
-110.0 dBm -16.25 dB 2 MediumSlow 2025-09-15 08:51:43 View
Torrijos Meshtastic 2 (ToR2) +2.094s
After
-52.0 dBm 8.75 dB 2 MediumSlow 2025-09-15 08:51:43 View
Meshtastic 870c๐Ÿ“ก๐ŸŒ (870c) +2.455s
After
-95.0 dBm 3.25 dB 3 MediumSlow 2025-09-15 08:51:43 View
LoRaEncomienda (LREC) +3.932s
After
-123.0 dBm -4.75 dB 2 MediumSlow 2025-09-15 08:51:45 View
Meshtastic b0e4 (b0e4) +5.700s
After
-127.0 dBm -16.00 dB 3 MediumSlow 2025-09-15 08:51:47 View
๐ŸŒByg Boy 81 Movil๐Ÿ›ฐ (MT46) +18.781s
After
-105.0 dBm 3.75 dB 2 MediumSlow 2025-09-15 08:52:00 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) +308.554s
After
-116.0 dBm -13.25 dB 1 MediumSlow 2025-09-15 08:56:50 View
Torrijos Meshtastic 1 (ToR1) +1206.882s
After
-123.0 dBm -16.25 dB 1 MediumSlow 2025-09-15 09:11:48 View
25

Total Receptions

25

Unique Gateways