DIURNAL VARIATIONS OF TERRESTRIAL MAGNETISM. 
27 
The values of E„”, e m n , I m n , i m n , deduced from Table C by means of equations (15), 
(16), (18), (19), are given in Table F. For tbe solstitial as well as for the equinoctial 
inequality only the mean results for 1902 and 1905 are given. 
Table F.—Amplitudes and Phases of the Spherical Harmonic Coefficients of the 
External and Internal Solar Diurnal Magnetic Variation Fields. 
The unit is 10~ 6 C.G.S. 
n. 
TO. 
Sunspot maximum, 1905. 
Sunspot minimum, 1902. 
External. 
Internal. 
External. 
Internal. 
E m >\ 
p n 
c m • 
T n 
i m n - 
E n 
p n 
Cm • 
T n 
Am • 
\ n 
Mean E 
iquinox, ^ 
(Spring 
+ Autumn 
)• 
1 
2 
44-6 
o 
24 
15-4 
o 
29 
31-5 
o 
30 
11-5 
o 
53 
2 
3 
5-7 
22 
2-5 
40 
4-3 
30 
2-1 
47 
3 
4 
0-43 
35 
0-18 
56 
0-35 
44 
0-14 
65 
4 
5 
0-0167 
52 
0-0075 
75 
0-0135 
55 
0-0046 
85 
Mean Solstice, (Summer + Winter). 
1 
2 
41-2 
22 
14-8 
25 
28-8 
30 
9-7 
50 
2 
3 
5-0 
20 
2-2 
39 
3-8 
27 
1-7 
45 
3 
4 
0-33 
35 
0-12 
55 
0-24 
42 
o-io 
53 
4 
5 
0 • 0088 
42 
0-0038 
57 
0-0060 
54 
0-0019 
78 
Mean of 1902 and 1905. 
Solstitial inequality, Equinoctial inequality, 
1 
9 
(Summer 
- Winter). 
I (Spring - 
- Autumn). 
1 
1 
32 
23 
13 
30 
12 
5 
225 
5 
9 
226 
2 
2 
5 
1 
61 
2 
2 
69 
3 
•9 
264 
1 
5 
262 . 
3 
3 
0 
46 
87 
0 
•23 
119 
0 
•46 
292 
0 
21 
305 
4 
4 
0 
025 
182 
0 
015 
212 
0 
■025 
333 
0 
015 
352 
1 
3 
7 
3 
341 
2 
7 
338 
1 
52 
72 
0 
50 
76 
2 
4 
0 
53 
17 
0 
27 
48 
0 
048 
348 
0 
094 
270 
3 
5 
0 
016 
220 
0 
014 
178 
0 
0042 
46 
0 
0010 
61 
4 
6 
0 
009 
264 
0 
003 
199 
0 
0014 
225 
0 
0039 
1 
213 
E 2 
