Helios board on the workbench with the PCB layout open on a monitor01 / PCB DESIGN AND WORKBENCH Helios ground station showing altitude, speed, acceleration, attitude, and map data02 / GROUND STATION Electronic board shown in Altium Designer 3D view03 / 3D PCB Components mounted on the flight computer board04 / BOARD ASSEMBLY Flight computer structure with stacked electronic modules05 / MODULE INTEGRATION Oscilloscope and Helios boards during bench testing06 / BENCH TESTING Electronic board with GPS module and connectors07 / GPS MODULE Two Helios electronic boards held for inspection08 / BOARDS AND MODULES Electronic modules connected by a flat cable during assembly09 / SYSTEM ASSEMBLY Oscilloscope showing a digital signal during board testing10 / SIGNAL ANALYSIS GPS module and board components11 / MODULE DETAIL Flight computer assembly integrated into a mechanical structure12 / MECHANICAL INTEGRATION Helios electronic module board with components and flat cable13 / ELECTRONIC MODULE