PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-03:42:30
G01     124.6          13.4                9.6 +/-    1.66      24.8 +/-    1.66  0.030 / 0.040
G07     67.1           67.7                6.8 +/-    0.53       7.2 +/-    0.53  0.040 / 0.050
G08     47.2           34.7                4.9 +/-    0.89       7.8 +/-    0.89  0.110 / 0.440
G09     175.9          30.8               10.8 +/-    1.30      18.5 +/-    1.30  0.130 / 0.480
G11     112.7          37.3                9.5 +/-    0.89      14.4 +/-    0.89  0.040 / 0.060
G13     320.1          14.5                1.4 +/-    1.65       3.5 +/-    1.65  0.050 / 0.060
G17     199.2          20.2                8.5 +/-    0.99      18.6 +/-    0.99  0.030 / 0.040
G28     278.4          52.9                7.2 +/-    1.17       8.8 +/-    1.17  0.030 / 0.040
G30     334.2          61.9                5.0 +/-    0.64       5.6 +/-    0.64  0.080 / 0.170