This poster includes all known ranges of EMR including gamma rays, X-rays, ultraviolet light, visible light, infrared, microwaves, radio waves (ULF, VLF, LF, MF, HF, long, short, HAM, VHF, UHF, SHF, EHF), cosmic microwave background radiation and brain waves, all organized by octaves. The audio frequency spectrum is also included. Descriptions are included for all ranges and properties of EMR including reflection, refraction, LASER, television, gravity waves, emission and absorption. There is also a handy chart of SI unit prefixes ranging from yocto to yotta.

All items are accurately placed on the graph using custom programmed formulas.

NEW SIZE 20" x 39" 1200dpi, professionally printed posters suitable for long framing.

The Electromagnetic Radiation Spectrum Poster may also be available in the following stores:

	Arbor Scientific PO Box 2750 Ann Arbor, MI 48106-2750 USA Phone: 800 367-6695
	United Nuclear Scientific
	Less EMF, Inc. 809 Madison Avenue Albany, NY 12208 USA Phone: 518-432-1550
	Astroshop.de Germany Phone: +49 (0) 8191 / 94049-61

More details including full PDF of poster here .

Link to discussion here.

Link to original poster