PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-01:12:30
G02     199.9          21.0                9.5 +/-    1.37      20.3 +/-    1.37  0.050 / 0.080
G06     176.4          48.9                9.2 +/-    1.52      11.8 +/-    1.52  0.040 / 0.080
G13     226.7          13.5                9.5 +/-    1.80      24.5 +/-    1.80  0.180 / 0.580
G17     24.1           58.6                6.5 +/-    0.57       7.4 +/-    0.57  0.170 / 0.500
G19     319.4          71.2                5.7 +/-    0.46       6.0 +/-    0.46  0.130 / 0.250
G24     308.9          31.2                6.1 +/-    1.18      10.4 +/-    1.18  0.120 / 0.310
G28     84.8           42.8                7.2 +/-    0.39      10.0 +/-    0.39  0.060 / 0.100
G30     157.0          14.8                8.9 +/-    1.00      22.2 +/-    1.00  0.070 / 0.120