Latitude
Distance between any place on Earth and the equator, expressed in degrees. The relevant values can be obtain from geographic maps. It is important to know this value for your location when calculating the elevation and declination in order to correctly mount a fixed or rotatable satellite dish.

LNB or LNC
Receiving unit mounted at the focal point of the parabolic antenna, converts the transmission frequency of the satellite to the intermediate frequency of the receiver.

LOF
Abbreviation for Local Oscillator Frequency, measured in terms of MHz or GHz, and varies according to the LNB and the frequency range received. The receiving frequency of the receiver - transmission frequency of the satellite - LOF.