PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-17:58:00
G01     88.1           32.3               11.7 +/-    0.70      19.6 +/-    0.70  0.040 / 0.070
G07     127.1          44.3               13.5 +/-    0.80      18.4 +/-    0.80  0.050 / 0.070
G11     67.1           39.4               10.0 +/-    0.61      14.6 +/-    0.61  0.040 / 0.050
G13     292.5          36.5               11.2 +/-    0.84      17.3 +/-    0.84  0.040 / 0.060
G15     314.8          10.1              -10.2 +/-   10.33     -28.4 +/-   10.33  0.030 / 0.040
G17     216.3          53.0               13.6 +/-    0.89      16.5 +/-    0.89  0.030 / 0.040
G18     62.2           23.6                9.6 +/-    0.98      19.3 +/-    0.98  0.040 / 0.060
G19     215.6          27.0               12.2 +/-    1.98      22.8 +/-    1.98  0.050 / 0.060
G28     352.9          61.6                9.9 +/-    1.17      11.1 +/-    1.17  0.060 / 0.130
G30     110.4          74.4               12.5 +/-    0.39      12.9 +/-    0.39  0.080 / 0.140