18 
Table 3: Mean values and standard deviation of Inequalities regarding height 
and time (time period: 1991-2009; i=14467 to 21172; m < 6706) 
Observational data 
Filtered data 
Synthesis 
k I H m 
Mean value 
SD 
m 
Mean value 
SD 
m 
Mean value 
SD 
1 
1 
6704 
11:50 h:min 
40,62 min 
6697 
11:50 h:min 
40,30 min 
6706 
11:50 h:min 
38,85 min 
1 
2 
6704 
6,54 mGZ 
0,41 m 
6609 
6,53 mGZ 
0,36 m 
6706 
6,54 mGZ 
0,19 m 
2 
1 
6704 
18:40 h:min 
44,27 min 
6694 
18:40 h:min 
43,78 min 
6706 
18:40 h:min 
42,76 min 
2 
2 
6704 
3,58 mGZ 
0,45 m 
6601 
3,55 mGZ 
0,39 m 
6706 
3,56 mGZ 
0,20 m 
3 
1 
6703 
24:14 h:min 
40,89 min 
6696 
24:14 h:min 
40,67 min 
6706 
24:14 h:min 
39,31 min 
3 
2 
6703 
6,52 mGZ 
0,41 m 
6597 
6,51 mGZ 
0,36 m 
6706 
6,51 mGZ 
0,19 m 
4 
1 
6705 
31:05 h:min 
45,00 min 
6696 
31:05 h:min 
44,69 min 
6706 
31:05 h:min 
43,42 min 
4 
2 
6705 
3,57 mGZ 
0,45 m 
6602 
3,55 mGZ 
0,39 m 
6706 
3,55 mGZ 
0,20 m 
e) Determination of the relevant angular velocities 
The relevant angular velocities a- are Integral linear combinations 
a- =as + ph + yp + SN' (3) 
with a, fi,y,ô = 0, ±1, ±2,± 3, ... (for meaning and values of multiplicands see 
Table 4). Choice and number of a> - In Table 5 allows for modifications. In the 
long-periodic range (No. 1-6), Horn (1960) narrows down to No. 1, 4, 5 and 6. 
The fact that only four basic periods are sufficient for the representation of Ine 
qualities as regards height and time, whereas six are required for the exact 
description of the tide-generating potential of Moon and Sun, may be surpris 
ing. Horn (1948) explains why; here It can be added that the orbital period of 
the perihelion of approximately 20,940 years may be discounted.