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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Plane Angle Conversions

In geometry and trigonometry, an angle (in full, plane angle) is the figure formed by two rays sharing a common endpoint, called the vertex of the angle. The magnitude of the angle is the "amount of rotation" that separates the two rays, and can be measured by considering the length of circular arc swept out when one ray is rotated about the vertex to coincide with the other. Where there is no possibility of confusion, the term "angle" is used interchangeably for both the geometric configuration itself and for its angular magnitude (which is simply a numerical quantity).

The word angle comes from the Latin word angulus, meaning "a corner". The word angulus is a diminutive, of which the primitive form, angus, does not occur in Latin. - Wikipedia

Standard unit = Radian (rad)

	second	minute	degree	radian	revolution
1 s (") =	1	1.667 · 10^-2	2.778 · 10^-4	4.848 · 10^-6	7.716 · 10^-7
1 min (') =	60	1	1.667 · 10^-2	2.909 · 10^-4	4.630 · 10^-5
1 deg (º) =	3600	60	1	1.745 · 10^-2	2.778 · 10^-3
1 rad =	2.063 · 10⁵	3438	57.30	1	0.1592
1 rev	1.296 · 10⁶	2.16 · 10⁴	360	6.283	1

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