PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-06:27:40
G02     72.4           21.7                0.9 +/-    2.03       1.8 +/-    2.03  0.080 / 0.330
G05     45.9           45.6                2.4 +/-    0.97       3.1 +/-    0.97  0.070 / 0.330
G12     182.8          19.1                4.6 +/-    2.15      10.3 +/-    2.15  0.070 / 0.100
G13     113.9          25.1                5.5 +/-    1.34      10.7 +/-    1.34  0.060 / 0.100
G15     154.3          25.6                5.1 +/-    2.53       9.7 +/-    2.53  0.030 / 0.060
G20     226.2          11.0               -2.7 +/-   19.16      -7.5 +/-   19.16  0.030 / 0.050
G21     286.2          29.7                4.8 +/-    2.02       8.5 +/-    2.02  0.040 / 0.030
G25     216.6          38.5                6.5 +/-    1.50       9.8 +/-    1.50  0.030 / 0.040
G29     352.7          74.9                4.1 +/-    0.72       4.2 +/-    0.72  0.080 / 0.150