PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-23:28:00
G01     38.0           11.3                9.1 +/-    4.13      24.8 +/-    4.13  0.100 / 0.170
G02     199.2          14.5               10.1 +/-    3.49      25.5 +/-    3.49  0.110 / 0.160
G06     176.6          42.5               10.0 +/-    1.03      14.0 +/-    1.03  0.050 / 0.070
G13     231.7          18.1                9.3 +/-    2.61      21.5 +/-    2.61  0.050 / 0.060
G17     15.3           64.5                8.2 +/-    0.36       9.0 +/-    0.36  0.040 / 0.030
G19     296.9          71.2                7.7 +/-    0.49       8.1 +/-    0.49  0.040 / 0.030
G24     313.1          25.7                8.1 +/-    1.21      15.7 +/-    1.21  0.250 / 0.280
G28     76.0           46.7                8.5 +/-    0.79      11.2 +/-    0.79  0.190 / 0.180
G30     155.8          20.6               10.0 +/-    1.43      21.8 +/-    1.43  0.150 / 0.240