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ATILIM UAV · GROUND CONTROL STATION

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MISSION LOG · Live archive

MISSION LOG IS OPEN TO EVERYONE

MISSION LOG IS OPEN TO EVERYONE

With mission analysis, autonomous tests, design decisions and on-site documentation.

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MISSION LOG / ARCHIVE

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LOG-001

LOG-001

The six-step SUAS 2026 preparation flow, from mission analysis to the field test

Our SUAS 2026 Journey: From Mission Analysis to the First Autonomous Airdrop

Our SUAS 2026 Journey: From Mission Analysis to the First Autonomous Airdrop

Project Diary

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LOG-002

Target pixel budget against altitude, before and after downscaling to 640 px

Sees Up Close, Blind at Range: Root-Cause Analysis of a Detection Failure

Sees Up Close, Blind at Range: Root-Cause Analysis of a Detection Failure

Project Diary

LOG-003

LOG-003

Thrust-to-weight ratios from hover to acrobatic, with the target band marked

A Guide to Thrust Calculation: Thrust-to-Weight and Motor-Propeller Matching

A Guide to Thrust Calculation: Thrust-to-Weight and Motor-Propeller Matching

Electronics

LOG-004

LOG-004

Class labels consolidated into mannequin and tent, and the resulting 32:1 imbalance

Merging 16,000 Images Into One Dataset: Cleanup, Dedup and Class Balance

Merging 16,000 Images Into One Dataset: Cleanup, Dedup and Class Balance

Project Diary

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LOG-005

Jetson Orin NX frame rate in tiled mode versus flight mode

Tiling or Speed? We Measured It on the Jetson and Changed the Design

Tiling or Speed? We Measured It on the Jetson and Changed the Design

Project Diary

LOG-006

LOG-006

Aerial Object Detection with YOLO11: An End-to-End Training Guide

Aerial Object Detection with YOLO11: An End-to-End Training Guide

Software

LOG-007

LOG-007

Training Models on Google Colab: GPU Choice, Checkpointing, and Recovering from Disconnects

Training Models on Google Colab: GPU Choice, Checkpointing, and Recovering from Disconnects

Software

LOG-008

LOG-008

Full-frame versus sliced inference and the resulting target size in pixels

Small Object Detection and SAHI: How Sliced Inference Actually Works

Small Object Detection and SAHI: How Sliced Inference Actually Works

Software

LOG-009

LOG-009

Building a Detection Dataset: Labeling Rules, Hard Negatives, and Validation You Can Trust

Building a Detection Dataset: Labeling Rules, Hard Negatives, and Validation You Can Trust

Software

LOG-010

LOG-010

Augmentation Guide: scale, mosaic, flip — What Does Each One Actually Do?

Augmentation Guide: scale, mosaic, flip — What Does Each One Actually Do?

Software

LOG-011

LOG-011

Precision-recall curve with AP shown as the area under the curve

mAP, Precision, Recall: How to Actually Read Your Model Metrics

mAP, Precision, Recall: How to Actually Read Your Model Metrics

Software

LOG-012

LOG-012

Frame queue growth and the resulting latency when the stream outruns the processing

Processing RTSP Video Streams in Python: Latency and Buffer Problems

Processing RTSP Video Streams in Python: Latency and Buffer Problems

Software

LOG-013

LOG-013

SITL + Gazebo Simulation: Testing Before You Fly

SITL + Gazebo Simulation: Testing Before You Fly

Software

LOG-014

LOG-014

Setting Up the NVIDIA Jetson Orin NX: JetPack, SDK Manager, and the First Boot

Setting Up the NVIDIA Jetson Orin NX: JetPack, SDK Manager, and the First Boot

Embedded Systems

LOG-015

LOG-015

Speeding Up Inference with TensorRT: FP16 Engines and Jetson Optimization

Speeding Up Inference with TensorRT: FP16 Engines and Jetson Optimization

Embedded Systems

LOG-016

LOG-016

What Is a Companion Computer? Talking to Your Flight Controller Over MAVLink

What Is a Companion Computer? Talking to Your Flight Controller Over MAVLink

Embedded Systems

LOG-017

LOG-017

What Is a Ground Control Station (GCS)? Mission Planner vs. QGroundControl

What Is a Ground Control Station (GCS)? Mission Planner vs. QGroundControl

Avionics

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LOG-018

Survey geometry: altitude, ground width, overlap and line spacing

Autonomous Mission Planning in Mission Planner: Waypoints, Grid Surveys and AUTO Mode

Autonomous Mission Planning in Mission Planner: Waypoints, Grid Surveys and AUTO Mode

Avionics

LOG-019

LOG-019

Vibration spectrum before and after the harmonic notch filter

Choosing a Flight Controller: The Pixhawk Family, ArduPilot vs PX4

Choosing a Flight Controller: The Pixhawk Family, ArduPilot vs PX4

Avionics

LOG-020

LOG-020

Link budget waterfall showing gains, losses and the 33 dB margin

Choosing Your Telemetry and Video Links: Range, Latency, and Frequency

Choosing Your Telemetry and Video Links: Range, Latency, and Frequency

Avionics

LOG-021

LOG-021

EKF multi-sensor fusion block diagram with health monitoring

GPS, RTK, and EKF: Understanding Position Accuracy

GPS, RTK, and EKF: Understanding Position Accuracy

Avionics

LOG-022

LOG-022

Battery failsafe thresholds and the filtering of transient voltage dips

Failsafe Setup: Link Loss, Low Battery, and RTL Scenarios

Failsafe Setup: Link Loss, Low Battery, and RTL Scenarios

Avionics

LOG-023

LOG-023

LiPo cell discharge under light and heavy load, showing voltage sag

Choosing a LiPo Battery: mAh, C-rate, Cell Count and Safe Handling

Choosing a LiPo Battery: mAh, C-rate, Cell Count and Safe Handling

Electronics

LOG-024

LOG-024

Thrust and efficiency curves for two KV and propeller combinations

Choosing Motors and ESCs: KV, Current, and Efficiency Math

Choosing Motors and ESCs: KV, Current, and Efficiency Math

Electronics

LOG-025

LOG-025

Power Distribution and Wiring: PDBs, BECs, and Keeping EMI Out

Power Distribution and Wiring: PDBs, BECs, and Keeping EMI Out

Electronics

LOG-026

LOG-026

Motor load imbalance when the centre of gravity drifts off the thrust centre

Multirotor Frame Design: Materials, Arm Length, and Center of Gravity

Multirotor Frame Design: Materials, Arm Length, and Center of Gravity

Mechanics

LOG-027

LOG-027

The three gimbal axes and the difference between a nadir and an oblique view

Vibration Control and Gimbals: How We Stabilized the Camera Image

Vibration Control and Gimbals: How We Stabilized the Camera Image

Mechanics

LOG-028

LOG-028

Release trajectories at three forward speeds and the resulting offset from the target

Designing an Airdrop Mechanism: Servo vs. Winch, and Where the Payload Actually Lands

Designing an Airdrop Mechanism: Servo vs. Winch, and Where the Payload Actually Lands

Mechanics

©2026 ATILIM UAV TEAM

©2026 ATILIM UAV TEAM