• stevestevesteve@lemmy.world
    link
    fedilink
    English
    arrow-up
    1
    ·
    2 hours ago

    if you invert the flow of electrons, a receiver becomes a transmitter

    Ehh not really. That’s kind of like saying if you invert the flow of photons, your eyes work as flashlights.

    “It could be possible with some changes” the changes would amount to removing the receiver and replacing it with a transmitter. In this specific case I’m not sure if a transmitter already exists at this antenna and it’s definitely possible one does, but that’s not a guarantee at all

    • cmhe@lemmy.world
      link
      fedilink
      English
      arrow-up
      1
      ·
      edit-2
      55 seconds ago

      There is no such big differences between a light emitting (LED) and a light receiving diode (photodiode), they are just the reverse of each other. In fact photodiodes can even emit light, but very inefficiently. Same in reverse, LEDs can also detect light, just badly.