PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-06:43:10
G01     82.8           33.0                4.5 +/-    1.35       7.5 +/-    1.35  0.040 / 0.040
G07     130.7          39.3                7.7 +/-    0.98      11.4 +/-    0.98  0.040 / 0.050
G11     62.5           36.5                4.9 +/-    0.73       7.5 +/-    0.73  0.070 / 0.060
G13     288.8          36.6                7.8 +/-    1.61      12.0 +/-    1.61  0.040 / 0.060
G15     310.6          12.8                4.0 +/-    1.30      10.5 +/-    1.30  0.130 / 0.190
G17     220.0          61.1                8.3 +/-    1.27       9.3 +/-    1.27  0.260 / 0.330
G19     217.7          34.1                7.3 +/-    1.38      11.8 +/-    1.38  0.050 / 0.050
G28     2.6            60.9                4.0 +/-    0.56       4.5 +/-    0.56  0.060 / 0.040
G30     120.5          70.0                6.4 +/-    0.86       6.8 +/-    0.86  0.050 / 0.090