Circle Sweeps, HAARP Rings, and Scalar Squares are Often From the Birds.

I saw the bugs on radar the other day.


Check out these birds trapped in the eye of hurricane Hermine as seen on radar:

https://weather.com/science/news/radar-hermine-birds-eye

25a049a1ce3f3bff4c49c11e79691192.gif
 
I realize I'm replying to a necrothread, but I've only recently joined the forums. I found this thread particularly interesting because I'm interested in the history of radar and one of the earliest examples of radar UFOs were birds. They had no idea what they were and everyone concluded they were thermals, but then they went and looked and it was birds every time.

Additionally, one of the most extensive radar systems built, stretching all the way across Canada, was rendered completely useless due to birds. One of those things that was obvious in retrospect but no one was familiar with it at the time and after hundreds of millions were spend it was, well, all they have to do is attack in spring or fall and we're done.

Huge bird patterns were a constant problem well into the 1970s on DEW and similar radars. Modern signal processing helps a lot.
 
Huge bird patterns were a constant problem well into the 1970s on DEW and similar radars. Modern signal processing helps a lot.

Yes; mentioned on other threads here, radar detections of "UFOs", as seen in Close Encounters of the Third Kind, seem to drop off a lot after the introduction of digital filters.
 
I realize I'm replying to a necrothread, but I've only recently joined the forums. I found this thread particularly interesting because I'm interested in the history of radar and one of the earliest examples of radar UFOs were birds. They had no idea what they were and everyone concluded they were thermals, but then they went and looked and it was birds every time.

Additionally, one of the most extensive radar systems built, stretching all the way across Canada, was rendered completely useless due to birds. One of those things that was obvious in retrospect but no one was familiar with it at the time and after hundreds of millions were spend it was, well, all they have to do is attack in spring or fall and we're done.

Huge bird patterns were a constant problem well into the 1970s on DEW and similar radars. Modern signal processing helps a lot.
On a side, semi-historical note, I think I first learned of the various radar lines from a relatively recent rewatch of The Deadly Mantis (1957), which has a little featurette about the systems to set up the attack on a DEW line outpost by the unfrozen prehistoric mantis of the title. The mantis only shows up intermittently on radar -- guess the systems weren't tuned for kaiju.

Deadly+Mantis+02.jpg

deadly-mantis-pic-1.jpg


According to the Wikipedia entry at https://en.wikipedia.org/wiki/Distant_Early_Warning_Line, building the infrastructure needed to build and support the DEW Line in remote regions helped integrate the Arctic into greater Canada, linking the Inuit to the broader culture, for better or worse. As well as leaving a legacy of environmental impacts from roads built through wilderness and the eventual decay of the abandoned stations.
 
Huge bird patterns were a constant problem well into the 1970s on DEW and similar radars. Modern signal processing helps a lot.
I remember a number of years ago being wowed by a report that a single isolated radar blip was identified as a bird, and even what species of bird (a scoter) by the timing of the wingbeats.
 
I remember a number of years ago being wowed by a report that a single isolated radar blip was identified as a bird, and even what species of bird (a scoter) by the timing of the wingbeats.
Wow!

While I was writing the article on GL Mk III I got in touch with someone that had a surplus unit post-war. They used it to track balloons to measure winds aloft. When they were waiting for the balloons to launch they would have fun tracking birds and planes. Then they found they could just measure it directly with Doppler and a strong loudspeaker and that was that for the balloons for a while.
 
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