Ouch. I rather liked his "Great Scablands Debate" article in Natural History (THE PANDA'S THUMB)
Sorry, we went off a little bit on a tangent here.
That's all right. As far as giving us tech--we already have the bomb--it wouldn't hurt them to give us fusion power--assuming there is a "them."
This looks to be a false alarm Maybe a Molniya sat--but to continue the discussion anyway...
Minor nit: They'd be sending a signal based on 1826 (95ly both ways).
Now we were messing about with telegraphs early on. Now, if a Bracewell probe were in the Solar system--might it pick up early telegraphs?. You have tornadoes, the Carrington event--sabotage. All these can break lines and have the fragments become de facto antenna perhaps.
I've heard it said that the 160 meter band is the "Mt. Everest of radios"
If this were a probe, it might pick up on weak artificial sgnals--wait a century or so, then beam a blurb that doesn't have to be as powerful as one sent 92 light years out. The home base of the probe may not even be in the direction the signal was sent.
If it orbits high above the plane of the ecliptic--might it be mistaken for a Soviet Molniya sat?
Heck, it might even be close enough to tap into our comms--if it is that..

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