Packet #10992928 Success

POSITION_APP packet from ValdeTorres001 ๐Ÿ—ผ (va01) to !ffffffff

20
Total Receptions
20
Unique Gateways
2
Hop Count
25
Payload Bytes
Packet Information
Database ID: 10992928
Mesh Packet ID: 0x34f311b4
Used for correlation across gateways
Timestamp: 2025-09-17 13:13:33 UTC
From Node: ValdeTorres001 ๐Ÿ—ผ (va01)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 2/3 hops
Start: 3, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 25 bytes
Decoded: Yes
Decoded Data:
Latitude:40.658534ยฐ
Longitude:-3.486515ยฐ
Altitude:689 m
Precision:13 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:25 bytes
Gateway:!c0c318a4
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (25 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677050192
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 25 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1758114853
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 64
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 96
Relay node ID
uint32
tx_after Not set uint32
timestamp 1758114813.6109574
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
  • โœ“ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (2 hops)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:25 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.6585344, "longitude": -3.4865152, "altitude": 689, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677050192, "to": 4294967295, "id": 888345012, "rx_time": 1758114853, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00003c18150000ecfd18b10525f4b3ca6828015000b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 406585344, "longitude_i": -34865152, "altitude": 689, "time": 1758114804, "location_source": "LOC_MANUAL", "altitude_geoidal_separation": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (25 bytes)
0d00003c18150000ecfd18b10525f4b3ca6828015000b8010d
Hex Analysis:
Size:25 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Meshtastic 18a4 (18a4) Primary 0.000s
Reference
Unknown Unknown 2 MediumSlow 2025-09-17 13:13:33 Current
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -6.501s
Before
-87.0 dBm 5.75 dB 0 MediumSlow 2025-09-17 13:13:27 View
Perseo ๐Ÿ“ก ๐ŸŒ (nvm1) -0.658s
Before
-99.0 dBm -14.00 dB 1 MediumSlow 2025-09-17 13:13:32 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) -0.341s
Before
-94.0 dBm 6.50 dB 1 MediumSlow 2025-09-17 13:13:33 View
Meshtastic 1760 (1760) -0.336s
Before
-133.0 dBm -12.75 dB 1 MediumSlow 2025-09-17 13:13:33 View
Meshtastic fbec (fbec) -0.320s
Before
-121.0 dBm -2.25 dB 1 MediumSlow 2025-09-17 13:13:33 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -0.307s
Before
-104.0 dBm 4.00 dB 1 MediumSlow 2025-09-17 13:13:33 View
Will - Azuqueca (WAzq) +0.512s
After
-115.0 dBm -6.00 dB 2 MediumSlow 2025-09-17 13:13:34 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) +0.806s
After
-110.0 dBm -6.00 dB 2 MediumSlow 2025-09-17 13:13:34 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) +0.845s
After
-114.0 dBm -5.75 dB 2 MediumSlow 2025-09-17 13:13:34 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) +0.851s
After
-119.0 dBm -14.50 dB 2 MediumSlow 2025-09-17 13:13:34 View
Mec Rocket Meco (MRM) +1.420s
After
-34.0 dBm 8.75 dB 3 MediumSlow 2025-09-17 13:13:35 View
Malasaรฑa Solar โ˜€๏ธ (๐ŸŒ‡) +1.632s
After
-81.0 dBm 7.75 dB 2 MediumSlow 2025-09-17 13:13:35 View
Monolito (7960) +1.866s
After
-64.0 dBm 8.50 dB 3 MediumSlow 2025-09-17 13:13:35 View
Tlgo ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (TLG0) +1.891s
After
-114.0 dBm -9.00 dB 2 MediumSlow 2025-09-17 13:13:35 View
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) +2.346s
After
-21.0 dBm 8.00 dB 3 MediumSlow 2025-09-17 13:13:35 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) +3.138s
After
-95.0 dBm 3.25 dB 3 MediumSlow 2025-09-17 13:13:36 View
Meshtastic 54a4 (54a4) +3.288s
After
-124.0 dBm -15.50 dB 3 MediumSlow 2025-09-17 13:13:36 View
Meshtastic 9f30 (9f30) +3.766s
After
-121.0 dBm -16.50 dB 3 MediumSlow 2025-09-17 13:13:37 View
Torrijos Meshtastic 1 (ToR1) +2777.546s
After
-128.0 dBm -17.25 dB 2 MediumSlow 2025-09-17 13:59:51 View
20

Total Receptions

20

Unique Gateways