PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-14:42:40
G01     78.1           33.3                9.3 +/-    0.81      15.2 +/-    0.81  0.030 / 0.030
G07     133.6          36.5                9.8 +/-    1.03      15.1 +/-    1.03  0.030 / 0.030
G11     57.9           34.1                6.8 +/-    0.64      11.0 +/-    0.64  0.060 / 0.090
G13     282.0          37.9                8.8 +/-    1.20      13.3 +/-    1.20  0.060 / 0.090
G15     310.0          12.2                5.9 +/-    2.82      15.7 +/-    2.82  0.050 / 0.060
G17     224.2          63.8               11.4 +/-    0.98      12.5 +/-    0.98  0.030 / 0.050
G18     53.8           20.7                7.0 +/-    1.55      15.1 +/-    1.55  0.050 / 0.120
G19     220.0          33.4                9.7 +/-    2.44      15.9 +/-    2.44  0.050 / 0.100
G28     8.3            60.6                8.5 +/-    0.45       9.6 +/-    0.45  0.050 / 0.070
G30     127.4          68.7                9.0 +/-    0.39       9.6 +/-    0.39  0.040 / 0.080