X-Nico

unusual facts about frequency range



Big Secrets

Some of the mysteries Poundstone explores are urban legends (such as what happened to Walt Disney after his death), while others are day-to-day matters which many people may not think to contemplate, such as what barcodes mean, the Coca-Cola formula, secret air frequencies, or what makes up KFC's 11 herbs and spices recipe.

Sonic boom

The energy range of sonic boom is concentrated in the 0.1–100 hertz frequency range that is considerably below that of subsonic aircraft, gunfire and most industrial noise.


see also

Aguada transmission station

Aguada transmission station is a facility of the US Navy for transmitting orders to submerged submarines near Aguada in Puerto Rico at 18°23'55"N 67°10'38"W by using radio waves in the low frequency range.

E band

The Radio Regulations of the International Telecommunication Union allow amateur radio and amateur satellite operations in the frequency range 76.000 GHz to 81.000 GHz, which is known as the 4-millimeter band.

Galatasaray Mobile

Its competitors, Turkcell and Vodafone Turkey, have both been founded in 1994 and use the GSM 900 frequency range while Avea uses the GSM 1800 range.

Mobile radio

Railroads used medium frequency range (MF) communications (similar to the AM broadcast band) to improve safety.

Polarization spectroscopy

Polarization spectroscopy comprises a set of spectroscopic techniques based on polarization properties of light (not necessarily visible one; UV, X-ray, infrared, or in any other frequency range of the electromagnetic radiation).