Hardware Setup

The following steps cover the physical setup of Ground Sphere Mk 3. You will be ready to operate Ground Sphere after completing both these steps and the Software Setup. Refer to the Operating Instructions at that point for information on capturing images from NOAA weather satellites.




From the Bill of Materials

  • (1) H-01: RTL-SDR Dongle
  • (1) H-02: 1/4 Wave Monpole Antenna
  • (1) H-03: TRAM NMO 5 1/2'' Magnet NMO Mounting with Rubber Boot
  • (1) Personal computer (laptop preferred) running Windows 10

Safety Issues

  • Be careful of static discharge for the RTL-SDR dongle.
  • Antenna is very conductive, be careful of electric shock near high voltage sources.


Full Hardware Assembly


  1. Place NMO Base on a level surface
  2. Screw Monopole Antenna onto NMO Base
  3. Screw SMA connector end of NMO Base to the RTL-SDR Dongle
  4. Plug RTL-SDR Dongle into your computer's USB port

prep_antenna_1.jpg (159.6 kB) Skylar Hoffert, 09/27/2018 06:42 pm

prep_antenna_2.jpg (168.8 kB) Skylar Hoffert, 09/27/2018 06:42 pm

prep_antenna_3.jpg (163.1 kB) Skylar Hoffert, 09/27/2018 06:42 pm

prep_antenna_4.jpg (150.3 kB) Skylar Hoffert, 09/27/2018 06:42 pm

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