(spectrum.ieee.org)

137 points transpute | 2 comments | 29 Jun 25 21:48 UTC | HN request time: 0.412s | source

1. ziofill ◴[30 Jun 25 15:48 UTC] No.44424704[source]▶

I love these engineering "hacks". Similarly, a friend of mine wrote a paper on how to use the GPS signal as radar source (so you only need a receiver) [0].

[0] https://udrc.eng.ed.ac.uk/sites/udrc.eng.ed.ac.uk/files/atta...

replies(1): >>44424893 #

2. aidenn0 ◴[30 Jun 25 16:05 UTC] No.44424893[source]▶

>>44424704 (TP) #

That's black-magic there. Direct reception of GPS is challenging enough with how little power reaches ground level.

↑

Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014)