SWPC has high-energy proton detectors on the GOES geostationary and NOAA polar-orbiting satellites. GOES 5-minute averaged integral proton flux (protons/cm2-s-sr), as measured by the SWPC primary GOES satellite for energy thresholds of >=10, >=50, and >=100 MeV, are provided. SWPC's proton event threshold is 10 protons/cm2-s-sr at >=10 MeV. GOES 5-minute averaged integral electron flux (electrons/cm2-s-sr). Measurements are made in three integral flux channels, one channel measuring all electrons with energies greater than 0.8 million electron Volts (MeV), one channel measuring all electrons with energies greater than 2 MeV, and one channel measuring all electrons with energies greater than 4 MeV. High-energy particles can reach Earth anywhere from 20 minutes to many hours following the initiating solar event. The particle energy spectrum and arrival time seen by satellites vary with the location and nature of the event on the solar disk.
