PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-00:43:10
G02     200.1          22.7               10.7 +/-    1.75      22.0 +/-    1.75  0.040 / 0.070
G06     175.5          51.3               10.6 +/-    1.12      13.2 +/-    1.12  0.040 / 0.080
G13     225.5          12.4                9.0 +/-    2.86      23.8 +/-    2.86  0.070 / 0.110
G17     25.6           57.4                8.7 +/-    0.57      10.1 +/-    0.57  0.070 / 0.110
G19     325.6          70.9                8.8 +/-    0.39       9.2 +/-    0.39  0.130 / 0.580
G24     307.7          32.2                8.8 +/-    0.88      14.7 +/-    0.88  0.100 / 0.490
G28     86.7           42.0                9.2 +/-    0.76      13.0 +/-    0.76  0.140 / 0.340
G30     157.1          13.0                9.6 +/-    4.00      24.9 +/-    4.00  0.090 / 0.270