David Hash Email & Phone Number

Hawthorne, California, US

- Direct-to-Cell GNC, constellation design- Starlink collision avoidance- Swarm constellation management

- Constellation design, optimization, and launch selection- In-house orbital modeling and network simulation- Initial orbit determination, object ID- Satellite tracking, precision orbit determination- Conjunction analysis and maneuver planning

Hawthorne, California, US

Designed, built, and operated long range optical systems

Hawthorne, California, US

6-DOF Monte Carlo mission analysis, early orbit collision avoidance (COLA) analysis, FAA flight plan prep, and autonomous flight termination system (AFTS) mission data load testing and verification.

Hawthorne, California, US

Launch vehicle tracking, high speed imaging, timing control, satellite RF re-rad

- Performed trajectory design and optimization for an electrically propelled spacecraft- Developed lightweight simulation environment for rapid interplanetary mission design studies, with emphasis on low-thrust spacecraft trajectories

Hawthorne, California, US

- Developed, built, and deployed an autonomous, high-magnification optical tracking system for launch vehicle ascent and on-orbit imaging- Performed Dragon spacecraft avionics integration and checkouts

CubeSat Ambipolar Thruster Project- Acted as liaison between spacecraft-focused Michigan eXploration Lab (MXL) and propulsion-focused PEPL to rapidly integrate a lightweight plasma thruster into a 3U CubeSat bus- Performed low-thrust trajectory design and optimization studies for interplanetary mission design and analysis

Falls Church, VA, US

James Webb Space Telescope (JWST) Communication Subsystem- Performed dynamic analysis of S-band communication link during launch and ascent (T+0 to T+8 hrs) to ground assets- Developed utility to synthesize static link budgets with nominal flight trajectory data, ground station parameters, and antenna models to evaluate link performance during early.

- Gained significant experience with embedded software and hardware design- Developed an embedded control board to operate a gimbaled optical platform on an autonomous, long-endurance, solar-powered UAS- Developed flight hardware for an autonomous quadrotor designed for an indoor flight display- Performed a modal survey of a composite quadrotor structure.

Moffett Field, California, US

- Worked with team studying integration of unmanned aircraft into the National Airspace- Developed MATLAB utility to generate mission profiles for UAS interoperability studies in fast-time simulation studies- Learned about operational challenges and procedures in controlled airspace, including sense-and-avoid and conflict resolution methods- Presented work.

Mse, Aerospace Engineering

Bse, Aerospace Engineering