PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-03:58:00
G08     293.4          22.3                6.8 +/-    1.65      14.1 +/-    1.65  0.050 / 0.090
G10     15.3           62.7                5.5 +/-    0.72       6.1 +/-    0.72  0.050 / 0.100
G14     231.1          48.1                9.1 +/-    0.76      11.7 +/-    0.76  0.070 / 0.130
G18     317.9          12.5                4.9 +/-    2.24      12.8 +/-    2.24  0.090 / 0.130
G20     68.2           51.2                6.7 +/-    0.59       8.3 +/-    0.59  0.050 / 0.030
G21     147.9          38.7                8.7 +/-    0.95      13.0 +/-    0.95  0.050 / 0.030
G24     54.4           24.6                5.2 +/-    0.75      10.2 +/-    0.75  0.060 / 0.100
G27     253.0          31.0                9.2 +/-    1.13      15.8 +/-    1.13  0.060 / 0.090
G32     247.7          67.5                7.3 +/-    0.44       7.8 +/-    0.44  0.100 / 0.160