posted ago by newfunturistic ago by newfunturistic +3 / -0

Don't have time right now to add the ------ separators between us talking. Cutting up in 15k character parts. It's 89,572 characters. 6 parts but i'll start them when I talk. Bit of background before, how we wound up there.

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9 AM Saturday, Nov 14. During meals, watching Pluribus.. up to episode 6. The mexican guy scanning frequencies with a Pionner receiver. What range is this.. pasting screenshot.

That display is tuned to 8.6148 MHz (or 8,614.8 kHz), which sits squarely in the High Frequency (HF) / Shortwave radio spectrum.
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Display Breakdown Main Frequency (8.614.8): On amateur/shortwave transceivers (which typically read in MHz with a kHz decimal), the first dot separates Megahertz from Kilohertz, and the second dot separates Kilohertz from hundreds of Hertz. That translates to 8.6148 MHz (with the orange analog bar indicator sitting right past the 600 kHz mark on the 0–1000 kHz sub-scale).
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XIT (0.2 kHz): Transmitter Incremental Tuning is offset by +200 Hz (0.2 kHz), a feature used in single-sideband (SSB) or Morse code (CW) communications to slightly shift the transmit frequency without changing the receive frequency.
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VFO-B / Memory Channel 3: Indicates he is operating off the secondary Variable Frequency Oscillator (VFO-B) on memory channel 3.
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What Operates in the 8.6 MHz Range? The 8 MHz band (specifically 8,195 kHz to 8,815 kHz) is an international Maritime Mobile and Aeronautical HF band rather than a standard commercial AM/FM broadcast band or standard ham radio band:

Maritime Ship-to-Shore & Weather: Long-range ocean vessels, coast guard stations, and marine weather/Navtex-style broadcasts use this range because 8 MHz signals bounce off the ionosphere (skywave propagation) to travel thousands of miles across open water.

Aviation En-Route: Long-haul transoceanic flights use adjacent 8.8–8.9 MHz frequencies for air traffic control when out of VHF line-of-sight range.

Numbers Stations & Utility Signals: Because 8 MHz travels globally with relatively low power and isn't crowded with commercial music stations, it is heavily populated by military utility transmissions, encrypted digital bursts, and classic shortwave "numbers stations."

(Note on the hardware: While the prop might have a Pioneer badge slapped on it or sit in a Pioneer stack, that specific amber/white vacuum fluorescent display layout—with VFO-B, XIT, ON AIR, AT, TUNE, SPLIT, and NOTCH—is actually a classic Kenwood HF amateur radio transceiver, like a TS-440S or TS-450S.)
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shortwave, eh.. so that's like what range.. that low.. compare with our graph we made from the other week. "The master blueprint of multi-dimensional wave compression.png"

At 8.6148 MHz, that shortwave signal sits right in the lower-middle section of your blueprint—specifically just to the left of the 10 MHz tick mark on the horizontal axis, and roughly between the 10 meters and 100 meters grid lines on the vertical wavelength axis.
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Exact Coordinates on Your Blueprint Frequency (X-Axis): 8.6148 MHz (just under the 10 MHz vertical grid line).
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Physical Wavelength (Y-Axis): ~34.8 meters ( ≈114 feet per single up-down cycle).

Relative Position on the Matrix Track: It lands squarely between your Subterranean Tests / "Neutrino" Grid (60 kHz, 5 km) node and your CB Radio (27 MHz, 11m) node.
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How It Compares to the Rest of the Spectrum Much Lower & Wider than Modern Tech: Compared to Modern 5G (3.5 GHz, 8.5cm) or 900 MHz Home Cordless (900 MHz, 33cm), a 34.8-meter wave is physically massive. Instead of punching through walls in tight centimeter ripples, a 35-meter wave skips off the Earth's ionosphere, allowing a signal to wrap around the curvature of the planet.
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Just Below CB & FM: It sits roughly three times lower in frequency (and three times longer in physical wave cycle) than CB Radio (27 MHz, 11m), and over ten times lower than standard FM Radio (100 MHz, 3m).
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Way Above the Subterranean / Acoustic Floor: While 34.8 meters is huge compared to microwave or light waves, it is still vastly more compressed than the ultra-long waves at the bottom left of your chart—such as the Subterranean Tests / "Neutrino" Grid (60 kHz, 5 km), the Hearing Range Anchor (20 kHz, 15 km), or the planetary Gaia Hum (7 Hz, 43,000 km).
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In short, on your compression curve, 8.6148 MHz is right at the transition zone where ultra-long planetary/subterranean waves compress down into terrestrial long-range atmospheric skip bands—long before they tighten up into local line-of-sight VHF/UHF, infrared, or the Eyeball Perception Window.
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well hearing range treble stops at 20 khz.. sub bass and speakers stop at 30hz.. ok hang on.. it's not in the middle of that.. it's past it.. lol.. mhz.. so it's like below CB radio

You nailed it—your eyes caught the exact hierarchy on the chart.
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8.6148 MHz is way past the entire audio spectrum (20 Hz to 20 kHz). Because it's in Megahertz (millions of cycles per second), it sits right below CB Radio (27 MHz)—which is just under three times higher in frequency than that shortwave signal.
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Moving up the compression line from the bottom left:
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Audio / Acoustic Range: Gaia Hum (7 Hz) → sub-bass (30 Hz) → Hearing Range Anchor (20 kHz)
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Subterranean / VLF: Subterranean Tests / "Neutrino" Grid (60 kHz)
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Shortwave (Your Receiver): 8.6148 MHz (~35-meter wave)
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Just Above It: CB Radio (27 MHz, 11m) → Baby Monitors (49 MHz) → FM Radio (100 MHz)
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So yeah—it's nowhere near the audio/kHz basement. It is firmly up in the MHz radio tier, sitting right as the warm-up step just underneath CB radio.
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for some reason it's like CB.. where's AM radio in this.

AM Radio sits right around 530 kHz to 1,700 kHz (or 0.53 MHz to 1.7 MHz), which puts it squarely between your Subterranean Tests / "Neutrino" Grid (60 kHz) node and that 8.6148 MHz shortwave signal.
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On your blueprint, it maps right around the 1 MHz tick mark on the horizontal axis, with a physical wavelength of roughly 175 to 565 meters (between your 100 meters and 1 km (1k) lines on the vertical axis).
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The Exact Order Moving Up the Line Subterranean / VLF: 60 kHz (5 km wave)
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AM Broadcast Radio: 530 kHz – 1.7 MHz (~175 m to 565 m wave) — Right on the 1 MHz tick mark
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Shortwave (Your Receiver): 8.6148 MHz (~35 m wave)
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CB Radio: 27 MHz (11 m wave)
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FM Broadcast Radio: 88 – 108 MHz (~3 m wave)
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Why Shortwave Feels Like CB Shortwave and CB share the exact same physical neighborhood and behavior—both are High Frequency (HF) bands that bounce off the ionosphere (skywave propagation) to travel hundreds or thousands of miles using single-sideband (SSB) or AM voice modulation.

Standard AM radio is nearly ten times lower in frequency than that 8.6 MHz shortwave signal, so its massive ~300-meter waves hug the curve of the Earth during the day (groundwave) and only bounce off the ionosphere at night when solar interference drops.
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fm radio starts 88 MHz.. oh yeah.. like you'd see 68 CJOB.. but you don't notice the frequency.. it's actually 680 kHz. ok so 1000 kHz is like 1 mHz, right

Yes, 1,000 kHz equals exactly 1 MHz (1,000 kilohertz = 1 megahertz).

Because standard AM broadcast stations sit right around that 1 MHz threshold, radio stations drop the extra zero in their branding to make it catchy:

680 kHz (0.68 MHz) → branded as "68" (like 68 CJOB)

990 kHz (0.99 MHz) → branded as "99"

1,290 kHz (1.29 MHz) → branded as "1290" (once they cross over 1,000 kHz / 1 MHz, they usually say the whole four-digit number)

That puts 680 kHz just slightly to the left of the 1 MHz tick mark on your blueprint, sitting right in the middle of that ~440-meter physical wavelength zone before the wave compresses down into the 8.6 MHz shortwave band.
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am stinks though.. but it goes further.. how come they can't do stereo and it sounds like shit

AM radio sounds flat and muffled because of two structural handcuffs built into the broadcast band: a razor-thin channel width and how the signal carries audio.

  1. The Bandwidth Bottleneck (Why It Sounds Muffled) On the AM band (530 kHz to 1,700 kHz), stations are packed tightly together every 10 kHz (e.g., 680 kHz, 690 kHz, 700 kHz). To prevent adjacent stations from bleeding into each other, regulators cap an AM signal's audio bandwidth at roughly 5 kHz (and cheap car or clock radios often filter it down even further to 3.5–4 kHz to cut out static).

Human Hearing: 20 Hz to 20,000 Hz (20 kHz)

FM Radio: Up to 15,000 Hz (15 kHz) — captures crisp cymbals, vocal air, and full detail

AM Radio: Cuts off around 4,500–5,000 Hz (5 kHz) — basically telephone-call quality

Everything above 5 kHz—all the high-frequency "sparkle," sibilance, and crispness—gets chopped right off before it even leaves the transmitter.

  1. Why It Can't Easily Do Stereo (and Has Static) Amplitude vs. Frequency: AM (Amplitude Modulation) encodes sound by changing the strength (height) of the radio wave. Because lightning, power lines, neon signs, and car engines also create bursts of electrical amplitude, your radio mistakes that interference for audio—which is why AM crackles under power lines or during storms. FM (Frequency Modulation) varies the speed/frequency of the wave instead, ignoring amplitude noise completely.

No Room for Two Channels: FM channels are a massive 200 kHz wide (20 times wider than an AM channel), giving FM plenty of spare room to hide a second sub-carrier signal for Left/Right stereo separation. AM channels are so narrow that squeezing two independent audio channels into 10 kHz causes severe crosstalk and range loss. (AM Stereo—like Motorola's C-QUAM—was actually invented in the 1980s, and a handful of stations tried it, but almost no radio makers built receivers for it because the narrow bandwidth still made it sound thin compared to FM.)

  1. The Trade-Off: Massive Range That cramped, low-frequency footprint is the exact reason AM travels so far. Because the waves are physically huge (~175 to 565 meters long) and don't require wide bandwidth, they hug the curvature of the Earth during the day (groundwave) and bounce cleanly off the ionosphere at night (skywave)—letting a clear-channel station like 680 CJOB cover entire provinces or states, whereas FM (88–108 MHz) is strictly line-of-sight and drops off after 40–60 miles.

yeah it's like EQ but shit bands.. like mid bands only, eh?

Spot on. AM radio is literally the equivalent of taking a graphic equalizer and slamming every slider on the far left and far right all the way down to zero, leaving only the middle sliders pushed up.

Sub-Bass & Low End (20 Hz – 100 Hz): Rolled right off. Cheap AM circuits and transmission transformers cut out deep bass because heavy low-end waves eat up massive transmitter power and cause distortion.

Midrange (300 Hz – 3,500 Hz): The only thing left standing. That’s the exact frequency pocket where human speech lives, which is why AM is totally fine for talk radio, news, and hockey play-by-play, even though music sounds boxy and hollow.

Highs & Treble (4,500 Hz – 20,000 Hz): Hard brick-wall cut. Anything above ~4.5–5 kHz is completely sliced off to stop stations from bleeding into the next channel over.

So yeah—you're basically listening to music through a permanent midrange-only bandpass filter, like hearing a song played through an old landline telephone handset or a tiny walkie-talkie speaker.

[continued in comments]