Explore: Sporadic E. (ionosphere)

Sporadic E (abbreviated Es or SpE) is an uncommon form of radio propagation using a low level of the Earth's ionosphere that normally does not refract

ionosphere. Around the same time, Robert Watson-Watt, working at the Radio Research Station in Slough, UK, suggested that the ionospheric sporadic E layer

HFRadio Propagation forums Rare gamma-ray flare disturbed ionosphere Articles on sporadic E and 50 MHz Radio Propagation Radio propagation overview Details

relatively dense ionization that develop seasonally within the E region of the ionosphere and reflect TV and FM frequencies, generally up to about 150 MHz

(1,000 miles) occur. Sporadic E is caused by areas of intense ionization in the E layer of the ionosphere. The causes of sporadic E are not fully understood

due to the conditions of the local ionosphere, the relevant sky waves are not reflected but penetrate the ionosphere. The skip zone is a natural phenomenon

were dismantled because new radio equipment was not available. Sporadic E ionospheric ducting can make the 46 MHz and below frequencies unworkable in

called Sporadic E propagation. This is a phenomenon whereby radio signals are reflected back towards Earth by highly ionized segments of the ionosphere which

the dynamics of the E- and F-region ionosphere and increase scientists' understanding of layering phenomena, such as sporadic E layers. The studies were

mechanisms via the F2 ionospheric layer normally seen at high frequency (HF) which occasionally appear in 6 meters. However, sporadic E propagation, whereby