L Band is the 1 to 2 GHz range of the radio spectrum and is very popular for satellite communications. It is a good balance of antenna size, bandwidth, and atmospheric interference. Ionospheric scintillations are worse at lower frequencies than high. VHF frequencies, such as the 240 MHz frequencies used in military communications, suffer the most, while L-band is moderately affected, and only the strongest scintillations affect C-band and above.