EM Spectrum
FM Radio Band
100.0 MHz
Cosmic Octave Color
Derived visible color (715 nm)
Display swatch #b2302d
Octave-shifted: 12.2 kHz (-13 octaves)
EstablishedPhysical Measurement
Evidence Level
Established
Source Count
1
Last Reviewed
March 23, 2026
Directly measured, standardized, or well-supported in mainstream scientific or technical literature.
This entry documents a measurable or standardized frequency reference. The atlas is a research and practice guide, not a medical diagnostic instrument.
Review the evidence modelFM radio (88–108 MHz). Frequency modulation provides higher fidelity audio than AM. Line-of-sight transmission.
Wavelength
3.4 μm
Claim Type
Physical Measurement
Cosmic Octave Color
Derived visible color (715 nm) · #b2302d
Source
Radio engineering
Sources
Optics and Physics References
2 atlas references
Used for visible-light wavelengths, electromagnetic ranges, and general physics conversions.
Optics, physics, and electromagnetic-spectrum references.
Octave Ladder
Every audible octave of this frequency — the same tone, higher and lower.
Nearby in the Atlas
Entries within ±35 cents of this tone when reduced to the same octave — candidates for pairing or comparison.
Theta (Mid)Brainwaves
6.00 Hz+11.4¢
Alpha (High)Brainwaves
12.00 Hz+11.4¢
Moon Culmination Period (Cosmic Octave)Cosmic Cycles
187.61 Hz-28.6¢
Ultradian Rhythm (90 min)Biological Rhythms
1.85e-4 Hz+29.3¢
Earth Synodic Day (Cosmic Octave)Cosmic Cycles
194.18 Hz+31¢
DNA Resonance MaximumCosmic Cycles
854.0 THz+31¢
radioem-spectrumfm