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>VHF/UHF radios (like your FRS walkie talkie for example) work in bands that have quasi-optical propagation. Means the waves are completely straight, work line of sight and don't bounce off of the troposphere or anything else
>IF earth was flat you could be standing at Miami Beach, holding a simple FRS walkie talkie and talk with every ship on the atlantik and guys standing at the beaches of Ireland, England, France, Spain, Portugal, Western Africa etc. etc.
If earth was flat there would be no geological obstacles who could block those radio waves. Therefore, those wave would travel over the entire ocean until they get blocked by a mountain or other large obstacle.
I rest my case.
>IF earth was flat you could be standing at Miami Beach, holding a simple FRS walkie talkie and talk with every ship on the atlantik and guys standing at the beaches of Ireland, England, France, Spain, Portugal, Western Africa etc. etc.
If earth was flat there would be no geological obstacles who could block those radio waves. Therefore, those wave would travel over the entire ocean until they get blocked by a mountain or other large obstacle.
I rest my case.
