PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-03:27:40
G01     93.4           30.8                7.2 +/-    1.32      12.3 +/-    1.32  0.050 / 0.060
G07     123.3          45.3                6.9 +/-    1.73       9.2 +/-    1.73  0.040 / 0.050
G11     69.9           40.0                2.8 +/-    1.38       4.1 +/-    1.38  0.050 / 0.040
G13     297.4          35.6                7.2 +/-    2.36      11.2 +/-    2.36  0.070 / 0.050
G17     211.3          53.5                8.7 +/-    0.67      10.6 +/-    0.67  0.070 / 0.100
G18     63.0           22.6                5.0 +/-    1.07      10.4 +/-    1.07  0.090 / 0.090
G19     213.2          22.8                6.9 +/-    2.44      14.3 +/-    2.44  0.090 / 0.130
G28     338.1          61.7                4.5 +/-    0.43       5.1 +/-    0.43  0.070 / 0.150
G30     88.7           79.0                5.6 +/-    0.57       5.7 +/-    0.57  0.100 / 0.110