On Thursday, January 30, 2020, 08:37:13 PM PST, coderman
   <coderman@protonmail.com> wrote:

   ттттттт Original Message ттттттт
   On Friday, January 31, 2020 4:12 AM, grarpamp <[1]grarpamp@gmail.com>
   wrote:
   ...
   > [2]https://hackaday.com/tag/phased-array/
   >oh, hello:
   '''
   >Are you interested in learning about radar by building and testing
   your own imaging radar system? MIT Professional Education is offering a
   course in the design, fabrication, and testing of a laptop-based radar
   sensor capable of measuring Doppler and range and forming synthetic
   aperture radar (SAR) imagery.
   '''
   - [3]Build a Small Radar System
   -------------------------------
   Check out the Walabot.
   [4]https://the-gadgeteer.com/2016/11/15/walabot-diy-review/
   I don't know how they do this,  Is it some sort of mini-phased-array
   radar?
                            Jim Bell

References

   1. mailto:grarpamp@gmail.com
   2. https://hackaday.com/tag/phased-array/
   3. https://professional.mit.edu/programs/short-programs/build-small-radar-system
   4. https://the-gadgeteer.com/2016/11/15/walabot-diy-review/