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Tide Gauge Details - Chile - Antarctica Base Prat 3

Device description

Name
Chile - Antarctica Base Prat 3
Country
Chile
Group
TD UNESCO
Lat/Lon
-62.479271 / -59.662899

Last measured values

Time(UTC)
02 Apr 2026 06:56:49
Latency
5457
Level
1.84

Harmonics

Points count
3827374
First date
15 Jun 2015 13:04
Last date
25 Feb 2026 21:43

Click on following link to see data:

Harmonics Constatns
Comp # Period (day) Cos factor (m) Sin factor (m)
0 0.00000 1.64179E+0 0E+0
1 0.12877 -2.92537E-5 2.09879E-4
2 0.12886 -8.46627E-5 -4.6648E-6
3 0.12938 -3.66595E-4 1.2336E-4
4 0.14707 -7.74438E-4 4.34243E-5
5 0.16841 6.77804E-5 -1.13851E-4
6 0.16857 9.37617E-4 -1.39831E-4
7 0.17036 4.63793E-4 -2.02818E-4
8 0.17052 -1.27032E-3 -8.53885E-4
9 0.17251 5.81099E-4 -7.01647E-4
10 0.17470 2.22887E-4 3.99096E-4
11 0.19989 -1.78125E-4 -6.87781E-5
12 0.20545 7.02884E-4 -9.55182E-6
13 0.24966 1.19696E-3 -9.65433E-4
14 0.25000 -7.43573E-5 -2.86197E-4
15 0.25395 -2.76684E-3 -7.31185E-4
16 0.25431 2.49079E-4 1.22928E-3
17 0.25631 2.15764E-4 7.90121E-4
18 0.25667 -4.27385E-5 2.50976E-4
19 0.25876 2.65885E-3 -3.42606E-3
20 0.26122 -8.60621E-4 1.14563E-3
21 0.33303 3.00142E-3 4.67727E-4
22 0.34071 2.06339E-4 -2.58333E-4
23 0.34135 -5.7657E-4 -1.31854E-3
24 0.34502 1.45231E-3 1.33724E-3
25 0.34943 -2.80043E-3 4.85573E-4
26 0.48977 7.75489E-4 -2.57406E-3
27 0.49109 9.32497E-4 -2.70614E-3
28 0.49863 -6.79463E-2 3.06839E-2
29 0.49932 2.6989E-5 3.2833E-3
30 0.50000 2.30121E-1 -8.75572E-2
31 0.50798 -1.52209E-2 4.67251E-3
32 0.50924 5.31802E-3 2.07592E-3
33 0.51606 -8.91002E-4 7.42702E-3
34 0.51679 5.37422E-4 -6.56715E-3
35 0.51753 -2.87341E-1 -3.36285E-1
36 0.51826 -6.53395E-3 -5.03327E-3
37 0.52608 -8.6272E-3 -8.7072E-3
38 0.52743 -2.63322E-2 5.24374E-2
39 0.53632 -2.14889E-3 4.22006E-3
40 0.53772 3.04122E-3 8.4715E-5
41 0.54697 3.64502E-4 -9.48908E-4
42 0.54843 -1.02532E-3 1.20164E-4
43 0.89909 6.95065E-4 5.02356E-4
44 0.92942 1.90164E-3 -4.53465E-3
45 0.93417 -1.38011E-3 9.32517E-4
46 0.96244 -1.0769E-2 6.73115E-3
47 0.96696 1.26771E-3 1.60326E-3
48 0.99185 -1.87723E-3 -7.32808E-3
49 0.99455 1.97155E-3 1.28176E-3
50 0.99727 1.28245E-1 2.54609E-1
51 1.00000 1.93289E-3 -2.09236E-3
52 1.00275 2.53834E-2 9.01761E-2
53 1.00551 3.31991E-3 3.02334E-3
54 1.02954 5.91392E-4 3.62652E-3
55 1.03472 1.98905E-2 -6.09294E-3
56 1.04061 -6.40823E-4 5.21174E-4
57 1.06951 2.68296E-3 -2.20291E-3
58 1.07581 2.93872E-1 -2.10092E-2
59 1.11346 1.32177E-2 3.66858E-3
60 1.11951 -1.00239E-2 -6.73481E-2
61 1.16035 1.78832E-3 -1.11542E-2
62 1.16693 -1.02005E-2 3.04412E-3
63 1.21136 -3.28761E-3 1.67195E-4
64 13.66079 1.35449E-3 2.24104E-2
65 14.76529 4.82142E-3 3.2141E-3
66 27.55455 -1.28663E-2 -1.6306E-2
67 31.81193 -6.9893E-3 1.02568E-2
68 182.62118 7.37969E-3 -1.88237E-2
69 365.25998 6.13652E-2 6.731E-3
Mathematical Formula
Tide calculation mathematical formula
Visual Basic Syntax
Function EstimateTideValues() As [Function]
                        Dim Pi As [Double] = Math.PI
                        Dim sum As [Double] = harmonics(0, 1)
                        For k As Int16 = 1 To harmonics.GetUpperBound(0)
                        Dim period As [Double] = 2 * Pi / harmonics(k, 0)
                        Dim coefCos As [Double] = harmonics(k, 1)
                        Dim coefSin As [Double] = harmonics(k, 2) 
                        sum = sum + coefCos * Math.Cos(time * period)
                        sum = sum + coefSin * Math.Sin(time * period)
                        Next
                        Return sum
                        End Function
C# Syntax
double EstimateTideValues()
                        {
                        double Pi = Math.PI;
                        double sum = harmonics[0, 1];
                        for (int k=1; k <= harmonics.GetUpperBound(0); k++)
                        {
                        double period = 2 * Pi / harmonics[k, 0];
                        double coefCos = harmonics[k, 1];
                        double coefSin = harmonics[k, 2];
                        sum += coefCos * Math.Cos(time * period);
                        sum += coefSin * Math.Sin(time * period);
                        }
                        return sum;
                        }

Axis ranges

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