Table I. ( b) (3). —Fourier Coefficients of the Solar Diurnal Magnetic Variation at the Equi 
(b) Sunspot Minimum, 1902. 
(3) The 8-hour Component. 
DIURNAL VARIATIONS OF TERRESTRIAL MAGNETISM 
79 
Radial. 
CO 
r-C> 
Autumn. 
CO 03 
1 1 
^ CO to 
1 1 1 
tO CO 
1 1 
00 
1 
r-H 
r-H 
1 
03 
lO »“H 
1 1 
co 
r-H 
1 
'— 1 O 
r—H 
Spring. 
03 co 
1 
03 tO 
1 1 
r-H 70 
r-H 
1 1 
00 
1 
1 
GO 00 
03 
1 1 
GO 
1 
CO 03 
03 
1 
CO 
Autumn. 
00 N- 
r-H 
LO h 1 -^h 
03 1—1 03 
D- to 
r-H 0 3 
GO 
t—H 
20 
CO GO 
CO 1 —1 
r—1 
03 
1 
CO 03 
03 
1 
Spring. 
t- 00 
r—H 
GO 1 — < CO 
i-H r-H 03 
03 
03 03 
xH 
r-H 
23 
24 
32 
-24 
03 03 
03 
1 
North. 
CO 
r-O 
Autumn. 
COON 
CM CO 03 
N- T— tO 
CO CO 03 
03 tO 
co ^ 
D- 03 
CO 
CO CO 
CO 
-20 
-23 
O 
03 
1 
1 —H CO 
1 
Spring. 
Oi rH )0 
h co CM 
00 03 tO 
1 —H CO r-H 
^ to 
r-H 03 
CO CO 
03 03 
00 
to 
'GO 03 
03 CO 
1 1 
-24 
co CO 
r-H r-H 
I 
CO 
Autumn. 
C5 H co 
r-H r—1 
' ' 
03 GO 
r-H r-H 
1 1 I 
N- GO 
co 0 
r-H 
tO I>- 
70 r-H 
30 
26 
28 
i>- co 
03 tO 
Spring. 
D- O 'rH 
1 —1 r-H 
1 1 1 
GO 03 CO 
r-H CO 03 
1 1 1 
to 05 
1 
00 0 
cq 
1 1 
to 0 
CO r-H 
J 
CO CO 
03 CO 
CO 
03 
'-h to 
03 03 
1 
West. 
CO 
Autumn. 
05 05 u- 
03 C3 
N> CO GO 
03 OO 03 
03 O 
co co 
^h 03 
03 r-H 
1 
to I>- 
00 
1 
D- CO 
O ^ 
1 1 
Spring. 
tO CO 03 
03 ^ CO 
05 03. 1— 
03 Hh 03 
to 
co co 
CO 03 
03 CO 
r-H CO 
03 CO 
43 
29 
-29 
r-H tO 
u- co 
1 1 
CO 
Autumn. 
co to 0 
co co 
O co to 
LO CO ^ 
O 05 
to CO 
GO CO 
to CO 
to 05 
CO 
80 
65 
r-H 
CO CO 
1 1 
Spring. 
03 tO tO 
CM (M CM 
05 CO ^ 
CO ^H CO 
^ J>- 
GO CO 
co CO 
1 — 1 0 
i-H CO 
I 
to co 
^h 03 
CO 
03 
1 
^H co 
CO 03 
1 1 
Observatory 
No. 
t-h 03 CO 
^ LO CO 
u- 00 
05 O 
r-H 
r-H 03 
1— H r-H 
CO -r^H to 
T— H r-H i-H 
CO N- 
1 —H r-H 
CO 05 O 
r-H r-H 03 
Group No. 
HH 
HH1 
NH 
1—1 
hH 
> 
HH 
V. 
HH 
> 
TIA 
TIIA 
