Selfbuilt GPR for less than 1000 dollars

[Funfinder]

nice project but someone should sell a kit with all the parts:

https://gpradar.eu/onewebmedia/TU120...hPietrelli.pdf
https://hackaday.com/2019/02/07/grou...or-the-masses/


or this here for even 500 bucks:
https://hackaday.io/project/4440-ope...etrating-radar

[Mullane]

Is that one for $500 actually a good buy?