Packet #3270724 Success

POSITION_APP packet from TRJ1 - Base πŸ—ΌπŸŒž (TRJ1) to !ffffffff

9
Total Receptions
9
Unique Gateways
2
Hop Count
23
Payload Bytes
Packet Information
Database ID: 3270724
Mesh Packet ID: 0xa38cf3aa
Used for correlation across gateways
Timestamp: 2025-07-10 03:49:30 UTC
From Node: TRJ1 - Base πŸ—ΌπŸŒž (TRJ1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Venturada baseπŸ—ΌπŸŒ (Vb)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:40.455373Β°
Longitude:-3.453747Β°
Altitude:600 m
Precision:15 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:23 bytes
Gateway:!ffaf8270
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ffaf8270
Node ID format
channel_id MediumSlow
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 873606212
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 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 Not set int32
rx_snr Not set float
rx_time 1752119369
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 176
Relay node ID
uint32
tx_after Not set uint32
timestamp 1752119370.6321466
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
  • βœ“ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
MQTT-Specific Fields
Gateway ID: !ffaf8270
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.4553728, "longitude": -3.4537472, "altitude": 600, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ffaf8270", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 873606212, "to": 4294967295, "id": 2743923626, "rx_time": 1752119369, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001d18150000f1fd18d80428017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404553728, "longitude_i": -34537472, "altitude": 600, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d00001d18150000f1fd18d80428017800800100b8010f
Hex Analysis:
Size:23 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
Venturada baseπŸ—ΌπŸŒ (Vb) Primary 0.000s
Reference
Unknown Unknown 2 MediumSlow 2025-07-10 03:49:30 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -0.343s
Before
-107.0 dBm -11.00 dB 1 MediumSlow 2025-07-10 03:49:30 View
Villalbilla02 (VBV2) +0.505s
After
-120.0 dBm -10.50 dB 2 MediumSlow 2025-07-10 03:49:31 View
GRN1-BaseπŸ“‘πŸŒ (GRN1) +0.515s
After
-101.0 dBm 6.25 dB 2 MediumSlow 2025-07-10 03:49:31 View
Wake Up, Neo...πŸ“‘ (NEO) +1.150s
After
-93.0 dBm -2.00 dB 3 MediumSlow 2025-07-10 03:49:31 View
Ocumare_Base1_πŸ—ΌπŸŒ (CATA) +1.418s
After
-82.0 dBm 8.75 dB 3 MediumSlow 2025-07-10 03:49:32 View
SkG@Home πŸ—ΌπŸŒ (SkGH) +2.218s
After
-118.0 dBm -12.75 dB 4 MediumSlow 2025-07-10 03:49:32 View
Mec Rocket Meco (MRM) +2.950s
After
-123.0 dBm -14.00 dB 3 MediumSlow 2025-07-10 03:49:33 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) +3.429s
After
-110.0 dBm 1.25 dB 4 MediumSlow 2025-07-10 03:49:34 View
9

Total Receptions

9

Unique Gateways