-[FREQUENCY] REFERENCES-

-as of [13 JULY 2025]-

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-FREQUENCY WIKI-LIST-

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-OVERVIEW-

-THE [HERTZ]-

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-[[1] KILO-HERTZ] = [[1000] HERTZ]-

-[[1] MEGA-HERTZ] = [[1 MILLION] HERTZ]-

-[[1] GIGA-HERTZ] = [[1 BILLION] HERTZ]-

-[[1] TERA-HERTZ] = [[1 TRILLION] HERTZ]-

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*4 FREQUENCY VALUES* —>

(as of [13 july 2025])

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-[0] HERTZ-

-[20] HERTZ-

-[440] HERTZ-

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-[1000] HERTZ-

-[1] [KILO-HERTZ]-

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-[20,000] HERTZ-

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-[1 MILLION] HERTZ-

-[1] [MEGA-HERTZ]-

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-[1 BILLION] HERTZ-

-[1] [GIGA-HERTZ]-

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-[3 BILLION] HERTZ-

.

-[1 TRILLION] HERTZ-

-[1] [TERA-HERTZ]-

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………………………………………………..

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-[0] HERTZ-

“body at rest”

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-[20] HERTZ-

-lower limit of [human hearing]-

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-[440] HERTZ-

“middle A”

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-[1000] HERTZ-

-[1] [KILO-HERTZ]-

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-[20,000] HERTZ-

-LOWER LIMIT OF “RADIO FREQUENCY”-

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-[1 MILLION] HERTZ-

-[1] [MEGA-HERTZ]-

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-[1 BILLION] HERTZ-

-[1] [GIGA-HERTZ]-

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-[3 BILLION] HERTZ-

-UPPER LIMIT OF “UHF”-

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-[9,192,631,770] HERTZ-

-[~9 BILLION] HERTZ-

-DEFINES THE “SECOND”-

-the ‘duration’ of [9,192,631,770 periods] of the ‘radiation’ corresponding to the ‘transition’ between the ‘2 hyperfine levels’ of the ‘ground state’ of the ‘caesium-133 atom’

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-[30 BILLION] HERTZ-

-UPPER LIMIT OF “SUPER HIGH FREQUENCY”-

-UPP

(THE “CENTIMETER BAND”)
(BASED ON THE WAVELENGTHS ASSOCIATED WITH THESE FREQUENCIES)

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-[300 BILLION] HERTZ-

-UPPER LIMIT OF “EXTREMELY HIGH FREQUENCY”-

-UPPER LIMIT OF “RADIO FREQUENCY”-

(THE “MILLI-METER BAND”)
(BASED ON THE WAVELENGTHS ASSOCIATED WITH THESE FREQUENCIES)

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-[1 TRILLION] HERTZ-

-[1] [TERA-HERTZ]-

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XXXXXXXXXXXXX

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“extremely low frequency” (‘ELF’) is the ‘ITU designation’ for ‘electromagnetic radiation’ (aka ‘radio waves’) with…

*’frequencies’ from ‘3 Hz’ – ’30 Hz‘*

*corresponding ‘wavelengths’ from ‘100K kilometers’ – ’10K kilometers’*

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(…although the definiton researchers in the field(s) of ‘atmospheric science’ prefer to multiply ‘Hz upper limit’ by 100,,,)

*from 3 Hz to 3 kHz.*
(or ‘3000 Hz’)

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-[ultra-high frequency (UHF)] is the [ITU designation] for [radio frequencies] in the [range] between ‘300 megahertz’ (MHz) + ‘3 gigahertz’ (GHz)-

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*👨‍🔬🕵️‍♀️🙇‍♀️*SKETCHES*🙇‍♂️👩‍🔬🕵️‍♂️*

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👈👈👈☜*-FRAMING DIMENSIONS-* ☞ 👉👉👉

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💕💝💖💓🖤💙🖤💙🖤💙🖤❤️💚💛🧡❣️💞💔💘❣️🧡💛💚❤️🖤💜🖤💙🖤💙🖤💗💖💝💘

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*🌈✨ *TABLE OF CONTENTS* ✨🌷*

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🔥🔥🔥🔥🔥🔥*we won the war* 🔥🔥🔥🔥🔥🔥