David Hedrick

Background

About David Hedrick

Diverse skillset and extensive background in Electronics, Radio Frequency, UAS and Radio Control, Automotive and Mechanical systems. Many years Managing people in Automotive Parts and Service industries and Customer facing service-based sectors. Able to go from building electrical schematics to diving into mechanical diagnosis and repair. Radio Frequency experimentation, from building RF power amplifiers from old analog television station surplus equipment to designing and building high power Yagi Uda antennas. Experience with Spectrum Analyzers, Oscilloscopes, and Vector Network Analyzers. Obscure propagation methods such as Meteor scatter, EME, Sporadic E's and EME. Experience with Microwave and SHF frequency circuitry design and implementation. Home built Mix Mode Digital repeaters using microcontrollers and interfacing with analog radios and TCP/IP for network bridging around the world. The repeater has been on air with a frequency pair in the UHF spectrum Co-Ordinated by the South Eastern Repeater Association, the FCC recognized coordinating body for Amateur repeater frequencies in Virginia. Electrical diagnosis and repair in the automotive industry. Certified Master Ford Mastertech and Advanced Level Specialist for Gasoline, Diesel, and Hybrid Vehicles. Certified for diagnosis and repair of Hybrid Electric, Plug-In Hybrid Electric Vehicles, and Electric Vehicles. Specialized in CAN bus and LIN bus network fault diagnosis and repair. Over 300 hours of flight time on Transmission and Distribution power lines with UAS systems. Manual Comprehensive Visual Inspections of Transmission Power line Systems. Design Development and building of UAS systems including sensor integrations and modifications. Some experience building and testing AI and Machine Learning models for basic object detections and classification. Experimental UAS-based network systems with experimental links for BVLOS implementation. Experience in Linux Command Line Interface and IOT automation. UAS R&D, and Systems Integration technical experience. Experience in CAD design and Modeling for and FDM manufacturing(3D Printing). Rapid prototyping and product development using and part integrations to enhance existing capabilities. Computer Networking background, including mesh networking and long-range point-to-point links in Unlicensed and Licensed radio spectrums. Involved in building one of the largest non-government open-source mesh network systems in the country. Many hours of experimentation and testing under NDA agreements.