PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-22:58:00
G01     71.2           33.0                8.5 +/-    1.15      14.1 +/-    1.15  0.100 / 0.300
G07     137.3          31.8               11.6 +/-    1.47      19.7 +/-    1.47  0.090 / 0.210
G11     55.4           32.8                6.7 +/-    1.74      11.1 +/-    1.74  0.040 / 0.030
G13     275.5          37.4                9.8 +/-    2.56      14.9 +/-    2.56  0.030 / 0.030
G15     302.5          15.5                6.1 +/-    2.33      15.0 +/-    2.33  0.200 / 0.190
G17     231.7          64.9               10.6 +/-    0.86      11.6 +/-    0.86  0.130 / 0.180
G18     49.8           18.7                8.9 +/-    2.33      20.1 +/-    2.33  0.050 / 0.080
G19     224.0          41.4               10.5 +/-    2.51      15.0 +/-    2.51  0.040 / 0.080
G28     20.0           59.2                9.4 +/-    2.64      10.8 +/-    2.64  0.060 / 0.050
G30     135.0          59.3               11.3 +/-    0.77      12.9 +/-    0.77  0.060 / 0.050