PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-19:28:00
G01     90.4           31.8               14.9 +/-    0.71      25.1 +/-    0.71  0.040 / 0.090
G07     125.4          46.1               16.0 +/-    0.91      21.3 +/-    0.91  0.050 / 0.080
G11     69.9           40.5               13.8 +/-    0.58      19.9 +/-    0.58  0.100 / 0.110
G13     294.9          35.8               14.6 +/-    1.00      22.8 +/-    1.00  0.090 / 0.100
G17     215.1          49.8               17.2 +/-    1.21      21.7 +/-    1.21  0.050 / 0.060
G18     64.3           24.1               12.1 +/-    1.02      24.1 +/-    1.02  0.050 / 0.070
G19     214.7          25.7               17.6 +/-    3.59      33.9 +/-    3.59  0.040 / 0.060
G28     349.5          61.7               12.3 +/-    0.46      13.7 +/-    0.46  0.040 / 0.070
G30     105.6          75.1               15.8 +/-    1.46      16.2 +/-    1.46  0.030 / 0.030