RES76 – 218 – ANNEX 1 TO RESOLUTION 76 (REV.WRC-15) TABLE 1A1, 2, 3 Limits on aggregate epfd radiated by non-GSO FSS systems in certain frequency bands Frequency band (GHz) epfd (dB(W/m2)) Percentage of time during which epfd may not be exceeded Reference bandwidth (kHz) Reference antenna diameter, and reference radiation pattern4 10.7-11.7 in all Regions 11.7-12.2 in Region 2 12.2-12.5 in Region 3 12.5-12.75 in Regions 1 and 3 −170 −168.6 −165.3 −160.4 −160 −160 0 90 99 99.97 99.99 100 40 60 cm Recommendation ITU-R S.1428 −176.5 −173 −164 −161.6 −161.4 −160.8 −160.5 −160 −160 0 99.5 99.84 99.945 99.97 99.99 99.99 99.9975 100 40 1.2 m Recommendation ITU-R S.1428 −185 −184 −182 −168 −164 −162 −160 −160 0 90 99.5 99.9 99.96 99.982 99.997 100 40 3 m 5 Recommendation ITU-R S.1428 −190 −190 −166 −160 −160 0 99 99.99 99.998 100 40 10 m 5 Recommendation ITU-R S.1428 1 For certain GSO FSS receive earth stations, see also Nos. 9.7A and 9.7B. 2 In addition to the limits shown in Table 1A, the following aggregate epfd limits apply to all antenna sizes greater than 60 cm in the frequency bands listed in Table 1A: 100% of the time epfd (dB(W/(m2 · 40 kHz))) Latitude (North or South) (degrees) −160 0 | Latitude | 57.5 −160 3.4(57.5 − | Latitude |)/4 57.5 | Latitude | 63.75 −165.3 63.75 | Latitude | 3 For each reference antenna diameter, the limit consists of the complete curve on a plot which is linear in decibels for the epfd levels and logarithmic for the time percentages, with straight lines joining the data points. 4 For this Table, reference patterns in Recommendation ITU-R S.1428 shall be used only for the calculation of interference from non-GSO FSS systems into GSO FSS systems. 5 The values for the 3 m and 10 m antennas are applicable only for the methodology referred to invites the ITU Radiocommunication Sector 1.