As we are running out of time and trying to wrap this up i will now submit my crackpot theories/observations. None of this has led to anything other than me questioning my own sanity. Our brains are wired to recognize patterns, structure, signs in a ocean of random noise for something that should not be there by chance. This is how we detect danger, solve most problems and appreciate a piece of music while hearing it.
At what point should multiple coincidences be regarded as a pattern? Surely by examining something long enough you will find ways to connect certain elements of its nature. But if you convince yourself every line drawn between two dots (made by your own brain/pattern-recognition-machine) is a "hint" made by a creator of a theorized puzzle, that it means you must be getting closer to the solution, are you not standing on the borderlands of madness itself?
Come with me across it.
Observations: The purrs, the howls and the rule of ≤2.
The howls duration and separation are constant across all recordings and comes in two variations alternating in a "ABAB" fashion.
Each howl is followed by "chittering" which is morse code spelling out the the nearest station / body. (this btw is arguably the ONLY piece of purposely hidden structure/nonrandom tangible thing that has been found regarding the whole UA mystery) The morse in the chittering is actually not "stylized" in a way that its is different, its is rather (dare i say it): obfuscated. If you look at it in a spectrogram you will see that the morse is structurally correct. There are short and long duration "chitters" with something that looks like a sinusoidal change in tonality slapped on it to throw us off.
The purrs are different. There are high and low purrs and there is
never more than two of the same kind of purr after another. The purrs slowly increase in frequency and the space between each purr decreases, they speed up. The speed/pitch increase may be connected to the health degradation of the UA in space, i found that during an early recording of a bugged UA which did not degrade normally, the purrs did not pitch up over time but did when it took damage from being slapped around by ships. The purrs may seem separated by the howls but as you listen to a lot of recordings in increased speed and feel the constant rythm of the purrs you can hear them during the howls, but not during the chittering. In recordings with especially short morse-chitter you start to hear purrs coming in and out of chittering as their intervals change (try it out yourself!

). The purrs and the howls+chittering can be seen as two different continuous systems with the chittering "muting" purrs that happens to coincide with its duration. Realizing this and using the "rule of ≤2" you can actually fill a lot of the gaps made by the chittering and interpret the purrs as one single string of highs and lows.
The SAP 8 container seems to affect the UA in some way. A lot of noise is removed and the speed of the purrs is greatly reduced, as are the space between them increased (now "only 3" purrs fits between each howl). The howls and chittering on the other hand does not change. It could be that the SAP 8 is meant highlight the distinction between the purrs and the howls/chittering.
Even if the string of purrs is some kind of code, i cannot for the life of me figure it out.
It would make sense to somehow structure it into morse. This is a nearly complete string of purrs from a recording in the sound analysis thread, highs and lows are 1 and 0 respectively, the x is the only unknown (it can be either 1 or 0 according to "rule of ≤2"):
01010011001100110100110011001011010100110010010011011011001100110110010011001001x0100101
Using high purr = short, low purr = long makes no sense with the "rule of ≤2".
If we make single type purr (low or high) = short and double type purr (low-low or high-high) = long, we have nothing to separate the letters.
We make single high purr = short, double high purr = long, single low purr = separation within a letter, double low purr = separation between letters. We get letters but its just a jumble of mostly T´s and E´s (which would not differ much from random noise i guess)
From here on is where i draw the line between observations and pure conjecture. Get your tinfoil ready.
In relation to each other the high and low purrs
always stays at a frequency ratio of 3:2 (the relation of a fundamental and a perfect fifth in pythagorean tuning) as they speed/pitch up. The "color/light signals" (green and violet) that the UA emits does not follow the "rule of ≤2", nor do they "pitch" or speed up but the "frequency ratio" of the two colors is the same (3:2 / perfect fifth) as of the purrs. Newtons color wheel illustrates it somewhat :
http://filmmakeriq.com/wp-content/uploads/2013/08/Newtons_color_circle.png
The "Song/harmony of the spheres" is a concept pythagoras thought of that relates the orbits of different bodies to each other as different tonal frequencies in harmony. The sun, moon and planets create an "orbital resonance".
"And here the wheel" implies that the current leader of the dark wheel is someone called "Neptune Ryder"
Neptune is in an orbital resonance with parts of the Kuiper belt called "resonant trans-neptunian objects"
https://en.wikipedia.org/wiki/Resonant_trans-Neptunian_object
The "main" group of these objects, include pluto and orcus (both named after the "underworld") which all keep an 3:2 orbital resonance (The same relationship as between the purrs and between the light signals) with neptune (god of the sea, interchangeable with Poseidon (greek)).
The UA features ocean stuff but also some kind of ribcage/bone stuff.
The "Cerberus plague", cerberus is three headed hound that guards the entrance to the underworld.
"Three pronged structure", why these choice of words? (Neptune wears a trident and it is the symbol of the planet)
The "cure" for the cerberus plague is tea from Heike, a star in the constellation Hercules. Hercules Subdued/defeated cerberus so he could enter the underworld or something like that.
The scientists that are working on the cure and figured out the tea from Heike is works against it are operating from Newton dock, at a star in the Ophiuchus constellation, "the healer".
theres a lot of more "mythical" connections but that is bound to happen when the subject is stars/constellations.
End theory; Something something dark wheel, secret base on one of the transneptunian objects, maybe orcus, the UA will reveal it, maybe
Got exhausted writing this, ill maybe add more later.
/ CMDR LOBEY