4 ms·
I thought they turned it down because the permittivity of radio through the seawater dielectric made it impractical.
by dnautics 6y ago
I thought they turned it down because the permittivity of radio through the seawater dielectric made it impractical.
- deepnotderp 6y agoYou're correct, and at the frequencies at which permittivity is reasonable, FHSS is much less effective. And Hedy Lamarr was far from the first person to come up with FHSS for communications.