PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-11:58:10
G02     65.8           26.2                3.7 +/-    2.99       7.0 +/-    2.99  0.030 / 0.040
G05     51.6           57.5                6.5 +/-    0.57       7.6 +/-    0.57  0.040 / 0.030
G12     181.0          24.3                6.2 +/-    0.80      12.4 +/-    0.80  0.080 / 0.130
G13     121.1          19.2                6.4 +/-    2.07      14.3 +/-    2.07  0.080 / 0.130
G15     157.5          19.3                5.3 +/-    2.00      11.8 +/-    2.00  0.030 / 0.040
G21     277.4          21.7                6.4 +/-    1.78      13.4 +/-    1.78  0.030 / 0.040
G25     227.7          47.1                6.9 +/-    3.81       9.0 +/-    3.81  0.270 / 0.520
G29     332.4          59.8                5.0 +/-    0.72       5.7 +/-    0.72  0.310 / 0.370