PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-22:12:50
G01     61.4           30.8                9.1 +/-    1.30      15.7 +/-    1.30  0.100 / 0.240
G07     140.9          18.7               13.2 +/-    2.48      30.1 +/-    2.48  0.110 / 0.180
G11     48.1           24.0                7.8 +/-    2.06      15.7 +/-    2.06  0.110 / 0.090
G13     263.6          36.4               11.3 +/-    1.62      17.5 +/-    1.62  0.100 / 0.120
G15     294.6          16.5                8.7 +/-    1.43      20.9 +/-    1.43  0.090 / 0.130
G17     255.3          76.9               11.6 +/-    0.37      11.9 +/-    0.37  0.070 / 0.100
G18     41.5           11.9                7.0 +/-    1.80      18.6 +/-    1.80  0.030 / 0.040
G19     230.3          49.2               11.9 +/-    2.69      15.1 +/-    2.69  0.040 / 0.040
G28     26.2           59.0                9.3 +/-    0.62      10.6 +/-    0.62  0.050 / 0.040
G30     142.5          53.0               12.9 +/-    0.62      15.7 +/-    0.62  0.040 / 0.040