4 ms·

Because he is just starting, so it will be a lot easier to pick up the many usual signals that exist pretty much everywhere. Like broadcast, police/emergency ra

Because he is just starting, so it will be a lot easier to pick up the many usual signals that exist pretty much everywhere. Like broadcast, police/emergency radio, pagers, aircraft comms or data, satellites, HF communication, ...

darkclouds 3y ago
They might be in an otherwise radio silent part of the world though. And how hard is it recording the electrical interference of a device from the same room and then from other rooms, to establish the variability of its electrical "interference/signal" properties? Knowing about the Theremin, a Russian electrical instrument invented in 1919, is similar to walking around a house with mains electricity is an audible example of the interference in our homes which we interact with. https://www.youtube.com/watch?v=-QgTF8p-284 https://www.youtube.com/watch?v=-QgTF8p-284 Could even do human detecting wifi signals. https://discovery.ucl.ac.uk/id/eprint/10103371/1/Passive%20WiFi%20Radar%20for%20Human%20Sensing%20Using%20A%20Stand-Alone%20Access%20Point.pdf https://discovery.ucl.ac.uk/id/eprint/10103371/1/Passive%20W... If someone can detect multiple wifi signals, the are effectively inside a phased array radar system.
- H8crilA 3y ago
  > They might be in an otherwise radio silent part of the world though > Could even do human detecting wifi signals I can confidently say that you have never tried to do anything with radio.
  - darkclouds 3y ago
    I've experienced it, because I have FE(II,III) in me, so have you. https://web.gps.caltech.edu/~jkirschvink/pdfs/JoeMicrowave.pdf https://web.gps.caltech.edu/~jkirschvink/pdfs/JoeMicrowave.p... https://ui.adsabs.harvard.edu/abs/2019AGUFMGP23B0794P/abstract https://ui.adsabs.harvard.edu/abs/2019AGUFMGP23B0794P/abstra... https://www.pnas.org/doi/10.1073/pnas.1613349113#:~:text=In%20these%20organisms%2C%20magnetite%20forms,in%20PNAS%2C%20Maher%20et%20al https://www.pnas.org/doi/10.1073/pnas.1613349113#:~:text=In%.... Still confident or have you spent too long on your mobile phone that you cant remember? The quieter you become, the more you are able to hear.

darkclouds 3y ago

They might be in an otherwise radio silent part of the world though. And how hard is it recording the electrical interference of a device from the same room and then from other rooms, to establish the variability of its electrical "interference/signal" properties? Knowing about the Theremin, a Russian electrical instrument invented in 1919, is similar to walking around a house with mains electricity is an audible example of the interference in our homes which we interact with. https://www.youtube.com/watch?v=-QgTF8p-284 https://www.youtube.com/watch?v=-QgTF8p-284 Could even do human detecting wifi signals. https://discovery.ucl.ac.uk/id/eprint/10103371/1/Passive%20WiFi%20Radar%20for%20Human%20Sensing%20Using%20A%20Stand-Alone%20Access%20Point.pdf https://discovery.ucl.ac.uk/id/eprint/10103371/1/Passive%20W... If someone can detect multiple wifi signals, the are effectively inside a phased array radar system.

H8crilA 3y ago
> They might be in an otherwise radio silent part of the world though > Could even do human detecting wifi signals I can confidently say that you have never tried to do anything with radio.
- darkclouds 3y ago
  I've experienced it, because I have FE(II,III) in me, so have you. https://web.gps.caltech.edu/~jkirschvink/pdfs/JoeMicrowave.pdf https://web.gps.caltech.edu/~jkirschvink/pdfs/JoeMicrowave.p... https://ui.adsabs.harvard.edu/abs/2019AGUFMGP23B0794P/abstract https://ui.adsabs.harvard.edu/abs/2019AGUFMGP23B0794P/abstra... https://www.pnas.org/doi/10.1073/pnas.1613349113#:~:text=In%20these%20organisms%2C%20magnetite%20forms,in%20PNAS%2C%20Maher%20et%20al https://www.pnas.org/doi/10.1073/pnas.1613349113#:~:text=In%.... Still confident or have you spent too long on your mobile phone that you cant remember? The quieter you become, the more you are able to hear.