PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-21:43:00
G01     84.6           32.5                8.1 +/-    1.94      13.4 +/-    1.94  0.040 / 0.060
G07     129.6          36.4               10.9 +/-    0.48      16.9 +/-    0.48  0.070 / 0.060
G11     62.2           37.2                8.2 +/-    0.76      12.6 +/-    0.76  0.140 / 0.090
G13     288.8          37.9               12.7 +/-    1.59      19.1 +/-    1.59  0.100 / 0.180
G15     311.7          12.1                8.8 +/-    1.93      23.4 +/-    1.93  0.050 / 0.100
G17     217.0          59.5               12.2 +/-    0.93      13.9 +/-    0.93  0.060 / 0.110
G18     56.8           21.3                8.4 +/-    1.82      17.9 +/-    1.82  0.040 / 0.040
G19     216.1          31.0               12.6 +/-    2.09      21.6 +/-    2.09  0.050 / 0.050
G28     349.0          61.7                8.9 +/-    0.44      10.0 +/-    0.44  0.030 / 0.020
G30     117.7          72.0               12.0 +/-    0.56      12.6 +/-    0.56  0.030 / 0.020