Słowniczek – Spektrum Radiowym
Słowniczek – Spektrum Radiowym By frequency: Band name Abbreviation ITU band Frequency and wavelength in air Example uses Tremendously low frequency TLF < 3 Hz > 100,000 km Natural and artificial electromagnetic noise Extremely low frequency ELF 3–30 Hz 100,000 km – 10,000 km Communication with submarines Super low frequency SLF 30–300 Hz 10,000 km – 1000 km Communication with submarines Ultra…
