PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-23:12:50
G01     52.7           27.1                7.8 +/-    2.26      14.5 +/-    2.26  0.150 / 0.220
G06     181.0          18.0               12.4 +/-    1.13      28.6 +/-    1.13  0.230 / 0.310
G07     144.3          11.2               10.9 +/-    2.43      29.6 +/-    2.43  0.040 / 0.050
G11     44.9           16.9                7.7 +/-    2.50      18.4 +/-    2.50  0.040 / 0.040
G13     253.4          32.7               10.2 +/-    1.95      17.0 +/-    1.95  0.090 / 0.080
G15     286.4          16.2                9.2 +/-    1.72      22.2 +/-    1.72  0.090 / 0.050
G17     303.6          79.8               10.7 +/-    0.79      10.8 +/-    0.79  0.040 / 0.050
G19     240.6          56.8               11.5 +/-    2.75      13.4 +/-    2.75  0.050 / 0.050
G28     41.5           56.4                9.7 +/-    0.64      11.4 +/-    0.64  0.070 / 0.120
G30     147.9          44.4               11.6 +/-    0.73      15.7 +/-    0.73  0.060 / 0.130