PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-14:58:00
G01     101.2          27.5               11.8 +/-    0.67      21.7 +/-    0.67  0.030 / 0.050
G07     115.5          49.9               11.1 +/-    0.47      14.1 +/-    0.47  0.030 / 0.060
G08     41.7           17.9                6.8 +/-    1.08      15.8 +/-    1.08  0.040 / 0.060
G09     174.5          10.7               10.2 +/-    2.08      28.0 +/-    2.08  0.040 / 0.060
G11     81.5           43.2                9.5 +/-    0.61      13.1 +/-    0.61  0.040 / 0.080
G13     305.0          32.5                8.0 +/-    2.68      13.4 +/-    2.68  0.040 / 0.070
G17     207.6          40.6               11.6 +/-    1.05      16.6 +/-    1.05  0.090 / 0.120
G18     73.8           24.4                9.1 +/-    1.01      18.0 +/-    1.01  0.080 / 0.160
G28     315.8          59.8                9.2 +/-    1.08      10.5 +/-    1.08  0.030 / 0.060
G30     62.8           79.0                9.5 +/-    0.88       9.7 +/-    0.88  0.040 / 0.070