Gonzalo José Carracedo Carballal
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Work experience

• 2022-now: PhD student at CAB (CSIC-INTA)

• 2017-2022: Innovation Advisor at Tarlogic Security

• 2015-2016: Software Engineer at Real Time Innovations

• 2013-2014: Junior Pentester at Tarlogic Security

• 2013: Internship at INRIA: wave propagation task for project Iodissee. Report (in French) can be downloaded here.

Education

Universidad Complutense de Madrid (Madrid)

2021 - now PhD in Astrophysics (Doctorado en Astrofísica)

• Astronomical instrumentation (VIR / NIR)
• Development of HARMONI's corrective model
• Research center: Centro de Astrobiología (CAB, CSIC-INTA).
• Some tools written during this stage:
  • RadioSim: A graphical radiometric model evaluator for HARMONI
  • RayZaler: A raytracer for parametric geometries, used to analyze optomechanical distortions introduced by moving elements in an optical system.

2019 - 2021 Master's Degree in Astrophysics (Máster en Astrofísica)

• 60 ECTS
• Interstellar Medium
• Galaxy Formation and Evolution
• Stellar atmospheres
• Solar system
• Astronomical instrumentation
• Experimental techniques
• Bayesian statistics

Master thesis presented in September 2021: Pointing and tracking with a 39m-class telescope: how to keep your position when all about you are losing theirs

École Centrale Paris - ENSTA - INSTN - Maison de la Simulation

2012-2013 Master's degree in Modelization and Simulation (Master M2S Modélisation et Simulation), via Erasmus scholarship

• 60 ECTS credits
• Modelization of wave propagation
• Problem decoupling for distributed computing
• Optimization without gradient
• Plasma physics and astrophysics
• Scientific computing

Universidade de Santiago de Compostela

2011-2012 Master's degree in Mathematical Engineering (Máster en Ingeniería Matemática)

• 90 ECTS credits (60 ECTS first year, 30 ECTS second year)
• Numerical methods
• Finite Elements Method for Partial Derivative Equations (PDE)
• Mathematical methods for Electromagnetism
• Parallel calculus, distributed computing

Universidade da Coruña

2007-2011 Technical Engineering in Computer Systems (Ingeniería técnica en informática de sistemas)

• 227.5 ECTS credits
• Final project: Predictor system for Earth ionosphere reflectivity conditions and HF propagation (Sistema de predicción de las condiciones de reflectividad de la ionosfera terrestre y propagación en HF). Sources here.
• Covered fields: Artificial Intelligence and cognitive science, Operating Systems, Computer Security, Computer Graphics and User Interfaces, Network management.

Additional education

Universidad Nacional de Educación a Distancia (UNED)

Since 2017 Degree in Physics (Grado en Física)

Individual subjects coursed in my spare time, aiming to deepen my knowledge on wave propagation and astrophysics.

Publications

• (2024) Introducing RayZaler: a free opto-mechanical simulation framework
  • SPIE Astronomical Telescopes & Instrumentation (poster + proceedings)
• (2024) Bayesian calibration of quasi-static field distortions in HARMONI
  • RAS Techniques and Instruments (paper)
• (2022) HARMONI at ELT: An evolvable software architecture for the insturment pointing model
  • XV Reunión Científica de la Sociedad Española de Astronomía (poster)
• (2022) HARMONI at ELT: An evolvable software architecture for the insturment pointing model
  • SPIE Astronomical Telescopes & Instrumentation (poster + proceedings)

Events and talks

• As speaker: VIII Jornadas RIA-MAD4SPACE (2025): Tolerance Analysis of HARMONI's Calibration Module with RayZaler
• As speaker: Micromeet 2025: Amplificación paramétrica contra el QRM
• As speaker: XVI Reunión Científica de la Sociedad Española de Astronomía (2024): Presentando RayZaler: un simulador optomecánico para instrumentación astronómica
• As speaker: Micromeet 2024: Midiendo con propiedad: SNR, Doppler y Drift con SigDigger
• As speaker: Encuentro RIA-Tec2Space (2022): Applications of the HARMONI pointing model: using prior information to speed up calibrations
• As speaker: RootedCON 2020 - The joy of bugging Smart Meters
• As guest speaker of the IEEE student branch of the UNPSJB: Reverse engineering of radioelectrical signals (Spanish, Ingeniería Inversa de Señales Radioeléctricas).
• As speaker: RootedCON 2019 - Introduction to the reverse engineering of radio signals (Spanish, Introducción a la ingeniería inversa de señales de radio).
• As member of the Organizer Committee: STARcon 2018, The Scientific and Technical Amateur Radio Congress.
  • Sponsored talk: Demodulating digital signals with Suscan (Spanish, Demodulando señales digitales con Suscan). Talk recording available in YouTube at https://www.youtube.com/watch?v=ks9uhtMBkUg
• As teacher: RootedLab - Introduction to Reverse Engineering (Spanish, Introducción a la Ingeniería Inversa). 8h course.

Blog entries

Awards

• Extraordinary Award by Universidade da Coruña
• Xtrelan 2011's Hackcontest first place award
• 7th position in DEFCON 18 CTF quals (as a member of painsec)

Courses and trainings

• March 2014: CORELAN Training - Win32 Exploit Development Bootcamp (in RootedCON 2014)

Certifications and licenses

• February 2025: Pleasure Boat Skipper (Spanish license)
• July 2017: Spanish amateur radio operator license (callsign EA1IYR)

Languages

• Spanish (native language)
• Galician (native language)
• English (TOEFL iBT 95/120)
• French (DELF B2)
• Portuguese (European, conversational)

Computer knowledge

• General purpose languages: C ninja, fluent in C++, Java and Python
• Math languages: Matlab, Fortran, Lua (Torch)
• Assembly languages: x86, x86_64, expertise in ARM, Aarch64 and MIPS
• Web languages: HTML, XML, CSS, PHP, JavaScript
• Operating systems: GNU/Linux, Sun Solaris, *BSD and Unix in general, Microsoft Windows
• Build systems: CMake, autotools
• EDA software: KiCad
• CAD software: FreeCAD
• Simulation software: OpenEMS, ngspice

Current projects (GitHub)

• SigDigger: A free digital signal analyzer, graphical front-end for Suscan
• Suscan: DSP library built on top of siguils to perform blind channel analysis
• Sigutils: small DSP library
• QStones: Automatic meteor detector using GRAVES as a bistatic radar
• sndlink: newtork bridge using the soundcard
• Vix, the Visual Interface heXadecimal dump
• Atomik Microkernel
• OpenGL 2D PDE solver via Finite Elements
• HNNet: the Hackable Neural Network library in Lua/Torch
• pbot: customizable IRC bot
• projectman: an extensible project tree structure generator in C