sonar image processing, bathymetric map, sidescan sonar, multibeam sonar, interferometry, digital signal processing, phased array sonar, forward looking sonar, obstacle avoidance, fisheries acoustics, ultrasound, ultrasonic test, non-destructive evaluation, seafloor survey, fish finder, echo sounder, acoustic transducer, underwater acoustics, hydrographic survey, oceanographic experiment, electronic design, marine technology, scientific instrument, data acquisition, piezoelectric, system integration, embedded systems design, technical writing, software development, project management, proposal editing, data visualization, contract engineering, consulting services, professional engineer, matlab, labview, protel, visual basic, c++, assembly language, pencil, pensil, penvenne, perram, pic, pc/104, dos, sbir, gps, pcb, ncsw, nasw, ieee, agu, gui, rov, auv, nmea, pvdf, pzt, usb, los osos, estero bay

penscil, inc. provides oceanographic engineering and documentation services for scientific and commercial product development projects and experiments.