this post was submitted on 13 Aug 2025
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I'm just following the rules of the community and this has. Been on my mind for the past few days . I used to be able to listen into law enforcement and even automated the process but they upgraded their system and encrypted their system.

Now I'm theorizing how I can track law enforcement different ways one of which is using a direction finding system. i could super technical and order a bunch of parts and have a desktop running all the time or I can try to dumb it down with analog composition.

I think it's cool that you can add AC with a ring of iron and winding wires in a specific way (the other way will subtract it)

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[–] Zgierwoj@lemmy.blahaj.zone 12 points 3 days ago (2 children)

You don't "add AC", the power in the circuit is exactly the same, if you double the voltage you halve the current, its not magic!!!!

[–] vaionko@sopuli.xyz 2 points 3 days ago

Yes, but if you induce current in two coils, you get their sum as the output

[–] PixelPilgrim 1 points 3 days ago

I should say constructive interfer inside the core of the transformer. I would only care about voltage because I want to hook up my antenna to an adr to scan multiple frequencies.