Packet #10016162 Success

POSITION_APP packet from ๐ŸŒCharly Torre 2๐Ÿ›ฐ (C182) to !ffffffff

18
Total Receptions
18
Unique Gateways
3
Hop Count
42
Payload Bytes
Packet Information
Database ID: 10016162
Mesh Packet ID: 0x64797124
Used for correlation across gateways
Timestamp: 2025-09-10 20:50:59 UTC
From Node: ๐ŸŒCharly Torre 2๐Ÿ›ฐ (C182)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Malasaรฑa Solar โ˜€๏ธ (๐ŸŒ‡)
Channel: MediumSlow
RSSI: -107 dBm
SNR: -5.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 42 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343142ยฐ
Longitude:-3.706880ยฐ
Altitude:586 m
Satellites:6
Precision:18 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:42 bytes
Gateway:!68ad5625
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 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 !68ad5625
Node ID format
channel_id MediumSlow
packet MeshPacket (42 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 993469348
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 42 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 -107.0 dBm
Signal strength at gateway
int32
rx_snr -5.50 dB
Signal quality at gateway
float
rx_time 1757537460
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 1757537459.590696
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 (3 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !68ad5625
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Signal Metrics: RSSI: -107.0 dBm
SNR: -5.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:42 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3431424, "longitude": -3.70688, "altitude": 586, "sats_in_view": 6, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!68ad5625", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 993469348, "to": 4294967295, "id": 1685680420, "rx_time": 1757537460, "rx_snr": -5.5, "rx_rssi": -107, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00e00b18150060cafd18ca0425abe4c16828023dabe4c16858a50478038001a080ab03980106b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403431424, "longitude_i": -37068800, "altitude": 586, "time": 1757537451, "location_source": "LOC_INTERNAL", "timestamp": 1757537451, "PDOP": 549, "ground_speed": 3, "ground_track": 6996000, "sats_in_view": 6, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (42 bytes)
0d00e00b18150060cafd18ca0425abe4c16828023dabe4c16858a50478038001a080ab03980106b80112
Hex Analysis:
Size:42 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
Malasaรฑa Solar โ˜€๏ธ (๐ŸŒ‡) Primary 0.000s
Reference
-107.0 dBm -5.50 dB 3 MediumSlow 2025-09-10 20:50:59 Current
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -2.738s
Before
-114.0 dBm -15.50 dB 2 MediumSlow 2025-09-10 20:50:56 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) -2.411s
Before
-113.0 dBm -11.25 dB 2 MediumSlow 2025-09-10 20:50:57 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) -2.409s
Before
-125.0 dBm -16.00 dB 2 MediumSlow 2025-09-10 20:50:57 View
Tlgo ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (TLG0) -1.318s
Before
-120.0 dBm -14.50 dB 3 MediumSlow 2025-09-10 20:50:58 View
Machu Pichu (MaPi) -0.904s
Before
-94.0 dBm -3.00 dB 3 MediumSlow 2025-09-10 20:50:58 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) -0.902s
Before
-109.0 dBm 2.00 dB 3 MediumSlow 2025-09-10 20:50:58 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -0.878s
Before
-113.0 dBm -14.25 dB 3 MediumSlow 2025-09-10 20:50:58 View
SkG@Home (HV3) ๐Ÿ—ผ๐ŸŒ (SkGh) -0.848s
Before
-117.0 dBm -12.75 dB 3 MediumSlow 2025-09-10 20:50:58 View
Meshtastic fbec (fbec) -0.843s
Before
-123.0 dBm -3.75 dB 3 MediumSlow 2025-09-10 20:50:58 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -0.841s
Before
-99.0 dBm 5.75 dB 3 MediumSlow 2025-09-10 20:50:58 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) -0.686s
Before
-113.0 dBm -15.75 dB 3 MediumSlow 2025-09-10 20:50:58 View
Perseo ๐Ÿ—ผ๐ŸŒ (nvm1) -0.633s
Before
-105.0 dBm -18.25 dB 3 MediumSlow 2025-09-10 20:50:58 View
Mec Rocket Meco (MRM) -0.243s
Before
-102.0 dBm Unknown 4 MediumSlow 2025-09-10 20:50:59 View
KIFO (14f1) +0.087s
After
-112.0 dBm -0.75 dB 3 MediumSlow 2025-09-10 20:50:59 View
Zion ๐Ÿ—ผ (Zion) +1.033s
After
-105.0 dBm -10.00 dB 4 MediumSlow 2025-09-10 20:51:00 View
MeshPrepper (MP) +1.352s
After
-119.0 dBm -10.75 dB 4 MediumSlow 2025-09-10 20:51:00 View
Vaguada Portable (Vgda) +3.278s
After
-107.0 dBm -8.25 dB 4 MediumSlow 2025-09-10 20:51:02 View
18

Total Receptions

18

Unique Gateways