But do you really think they're using walkie-talkies. Just cause we use radio is no reason to believe that they use radio.
My understanding is that seti@home doesn't expect to intercept any alien communications that aren't destined to us. Any alien using radio would use powerful, focused signals to communicate between stars, and they wouldn't spread into neighboring systems.
What they'd like to catch is messages sent by aliens who are guessing there's a sentient species in this system, and purposely trying to communicate with us. If these aliens think like us, they'll try their more advanced communication signals (if there is such a thing), but also electromagnetic radiation (radio as you say, though it would have a higher frequency), in case our technology is more primitive. IIRC, Seti is guessing they'll try the frequency produced by hydrogen, since that's an important constant every species should know about.
Since we're sending signals out to unknown star systems, Seti figures aliens might want to, also. Sounds reasonable to me.
Klingon function calls do not have "parameters" - they have "arguments" - and they ALWAYS WIN THEM.
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