Copyright
Donald W Hill.

An evaluation of the 1965.O epoch, H.O. 1706 World magnetic variation chart online

. (page 6 of 15)
Online LibraryDonald W HillAn evaluation of the 1965.O epoch, H.O. 1706 World magnetic variation chart → online text (page 6 of 15)
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I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 642 NO PTS 50 MEAN -0.1 RMS 0.2
MEDIAN -0.0 80 PCT CONF -0.0 -0.1



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DEGREES

MAC 643 NO PTS 145 MEAN 0.1
MEDIAN 0.0 80 PCT CONF 0.1



RMS 0.3
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1 1 1 1 1 1 1 1 1 1 1 1 1 in 1 1 1 1 1 1 1 1 1 1 1 1 1

-7-6-5-4-3-2-10 1 2 3 4 5 6

DEGREES

MAC 644 NO PTS 7) MEAN 0.1 RMS 0.2
MEDIAN 0.0 80 PDT CONF 0.0 -0.0



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-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 645 NO PTS 54 MEAN 0.0 RMS 0.3
MEDIAN 0.0 80 PCT CONF 0.1 -0.1



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I I I I I I I I I I I I I I II I I I I I I I I I I I I I II
-7-6-5-4-8-2-10 1 2 3 4 5 6 7

DEGREES

WAC 646 NO PTS 46 MEAN 0.0 RMS 0.4
MEDIAN 0.0 80 PDT CONF 0.1 -0.1



120



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-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 647 NO PTS 121 MEAN -0.3 RMS 0.4
MEDIAN -0.2 BO PCT CONF -0.1 -0.2



50-



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' T l I l l I l l I I I I I'l'l'l ' I'l Tl i i l I l l l l I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 648 NO PTS 113 MEAN -0.2 RMS 1.0
MEDIAN -0.1 80 PCT CONF 0.1 -0.2



100-



I I I I I I I II I I IT? I I ITT I l I l l l l l
-7-6-5-4-3-2-10 1 2 3 4 5 6 7



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MEDIAN



DEGREES

NO PTS 287 MEAN 0.0
■0.0 80 PCT CONF 0.0



RMS 0.5
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I I I I I I I I I I I I l l I l l l l
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 650 NO PTS 73 MEAN -0.4 RMS 0.3
MEDIAN -0.0 80 PCT CONF 0.0 -0.1



100-






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100-



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ITT I II I I I I II I I I II
-101234567

DEGREES

WAC 651 NO PTS 31 MEAN -0.3 RMS 0.2
MEDIAN -0.1 80 PCT CONF -0.1 -0.2



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I I I I I I I I I I I Ml
-7 -6 -5 -4 -3 -2



I I I I I I II I I I I I I I
10 12 3 4 5 6 7



DEGREES

WAC 652 NO PTS 35 MEAN -0.2 RMS 0.3
MEDIAN -0.2 80 PCT CONF -0.1 -0.2



121



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I I I I I I I I I I I 111 I I I I I I I I I I I I I I I I
7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 653 NO PTS 29 MEAN -0.4 RMS 0.3
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



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l l l l I l l l I l I I I I I I'l l I I l I I I I l l I l l l

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

MAC 654 NO PTS 53 MEAN -0.5 RMS 0.7
MEDIAN -0.1 80 PCT CONF 0.0 -0.3



50-



' I I I I I I I I I II IP



I I I I I I I I I I I I
7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 655 NO PTS 42 MEAN 0.1 RMS 1.5
MEDIAN 0.0 80 PCT CONF 0.4 -0.4



50-



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I I I I I I I I I I III III II I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 656 NO PTS 64 MEAN -0.3 RMS 0.6
MEDIAN -0.2 80 PCT CONF -0.1 -0.3



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-7 -6 -5 -4 -3 -2 -1



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DEGREES

WAC 657 NO PTS 65 MEAN -0.1 RMS 0.4
MEDIAN -0.1 80 PCT CONF 0.0 -0.1



50-



I I I I I I I I I I Ml
-7 -6 -5 -4 -3 -2



I I I I I I I I I I I I I I
10 12 3 4 5 6 7



DEGREES

WAC 658 NO PTS 29 MEAN -0.4 RMS 0.6
MEOIAN -0.2 80 PCT CONF -0.0 -0.4



122



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I I I I I I I I I I I I I I II I I I I II I I I I I I I I

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 659 NO PT9 6 MEAN 0.3 RMS 0.1
MEDIAN 0.4 80 PCT CONF 0.4 0.3



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I I I I I I I I I I I I I I I I I T I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 660 NO PT9 133 MEAN -0.0 RMS 0.4
MEDIAN 0.0 80 PCT CONF 0.1 -0.0



I I I I I I I I iTl I i i i iTi l l l l l l I I I I I I
7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 661 NO PTS 103 MEAN 0.1 RMS 0.4
MEDIAN 0.1 80 PCT CONF 0.2 0.0



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DEGREES

WAC 662 NO PTS 18 MEAN -0.0 RMS
MEDIAN -0.0 80 PCT CONF 0.1 -0.1



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-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC E63 NO PTS 5 MEAN 0.2 RMS 0.0
MEDIAN -0.0 80 PCT CONF 0.0 -0.0



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123



M I II I I I I I I I I III I I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 664 NO PTS 4 MEAN 0. 1 RMS 0. 1
MEDIAN -0.0 80 PCT CONF 0.1 -0.1



' I I I I I I I I I I I I I I ' l 'l'l I I I I I 1 I I I I 1 I 1 I

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 666 NO PTS 16 MEAN -0.3 RMS 0.2
MEDIAN -0.1 80 PCT CONF -0.0 -0.1



50-



XI



' 1 1 1 1 1 1 1 1 1 1 1 1 irrri'ii i i 1 1 1 1 1 1 1 1 1 1 1

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 667 NO PTS 45 MEAN -0.1 RMS 0.3
MEDIAN -0.1 80 PCT CONF 0.0 -0.2



100-



'MINIUM.
-7 -6 -5 -4 -3 -2



I I I II I II I
10 12 3 4

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WAC 669 NO PTS 2 MEAN -0.4 RMS 0.0
MEDIAN 0.0 80 PCT CONF 0.1 -0.0



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I I I I I I I I I I I 111 II I I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 670 NO PTS 34 MEAN -0.2 RMS 0.3
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



l l l l l l I II I I I II
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12 3 4 5 6 7



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DEGREES

WAC 671 NO PTS 30 MEAN -0.3 RMS 0.3
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



I I I I
-6 -5



-4 -3



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2 3 4 5 6 7



-2-10 1

DEGREES

WAC 672 NO PTS 51 MEAN -0.2 RMS 0.2
MEDIAN -0.2 80 PCT CONF -0.2 -0.3



124



100-



I I I I I I I I I i TT ll I II I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 673 NO PTS 259 MEAN -0.2 RMS O.S
MEDIAN -0.2 80 PCT CONF -0.1 -0.2



I I I I I I I I I III III III I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 674 NO PTS 90 MEAN -0.7 RMS 0.3
MEDIAN 0.1 80 PCT CONF 0.1 0.0



100-



50-



I I I I I I II I I I I III I I I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 675 NO PTS 28 MEAN -0.2 RMS 0.2
MEDIAN -0.2 80 PCT CONF -0.1 -0.2



m



' I I I I I I I I I II I I .
-7 -6 -5 -4 -3 -2 -I



II I I I I I I I I I I I I I I
12 3 4 5 6 7



DEGREES

WflC 676 NO PTS 42 MEAN -0. RMS 0. 1
MEDIAN -0.0 80 PCT CONF 0.0 -0.0



100-



50-



I I II I I II II I I II
-7 -6



I I I I I II I II I I I
5 6 7



5-4-3-2-10 1 2 3

DEGREES

WAC 677 NO PTS 78 MEAN 0.0 RMS 0.1
MEDIAN -0.0 80 PCT CONF 0.0 -0.0



50-



I I II I I I II I I III I
-7 -6 -5



I I II I I I I I I I I I I I
12 3 4 5 6 7



4 -3 -2 -1

DEGREES

WAC 678 NO PTS 189 MEAN -0.1 RMS 0.3
MEDIAN -0.0 80 PCT CONF 0.0 -0.1



125



m 50-



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' I I I I I I I I I'l'l I I I'l'l'l I I I I I M I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 679 NO PTS 27 MEAN -0.2 RMS 0.5
MEDIAN -0.0 80 PCT CONF 0.1 -0.2



100-



50-



- 33 -



' I I I II I I I I I I I I I'l'l'l I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 680 NO PTS 30 MEAN -0.3 RMS 0.2
MEDIAN -0,2 80 PCT CONF -0.2 -0.3



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-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 681 NO PTS 53 MEAN -0.6 RMS 0.4
MEDIAN 0.1 80 PCT CONF 0.2 0.0



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-7-6-5-4-3-2-10 1 2 3 4 5 6 7'

DEGREES

WAC 682 NO PTS 117 MEAN -0.3 RMS 0.5
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



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I I I I I I I I I I I I II
-7 -6 -5 -4 -3 -2



I I I I I I I I I I I I I I I
10 12 3 4 5 6 7



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DEGREES

WAC 683 NO PTS 49 MEAN -0.1 RMS 0.3
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



126



II I I I I I I I I I I I



I I I I I I I I I I I I I I
4 5 6 7



-7 -6 -5 -4-3-2-10 1 2 3

DEGREES

WAC 684 NO PTS 23 MEAN -0.3 RMS 0.2
MEDIAN -0.2 80 PCT CONF -0.1 -0.3



100



I I I I I I I I I I I I I I I 111 I I I I I I I II I I I I

-7 -6 -5 -1 -3 -2 -t l 2 3 4 5 6 7

DEGREES

WAC 685 NO PTS 39 MEAN -0.3 RMS 0.3
MEDIAN -0.2 80 PCT CONF -0.2 -0.3



100 -i



50-



I I I I I I I I I I I I I I II II I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 686 NO PTS 72 MEAN -0.1 RMS 0.3
MEDIAN -0.2 80 PCT CONF -0.2 -0.3



' I I I I I I I I I iTl I I I I ITI I I I I I I I I



-7 -6 -5 -4 -3-2-10 1 2

DEGREES

WflC 687 NO PTS 97 MEAN -0. 1 RMS 0. -1
MEDIAN -0.1 80 PCT CONF -0.0 -0.1



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II I I II I I II I I I I I I I II II I I II I I II I I

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WflC 688 NO PTS 53 MEAN -0.3 RMS 0.5
MEDIAN -0.1 80 PCT CONF 0.0 -0.2



Tl

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3D



I I M l I I M I I I I'l'i'iTi l l I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WflC 689 NO PTS 28 MEAN -0.5 RMS 0.4
MEDIAN 0.0 80 PCT CONF 0.1 -0.1



- to -



- 3D -



II I I I I I I I I I I II I I I I I I I I I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WflC 690 NO PTS 20 MEAN -0.5 RMS 0.2
MEDIAN -0.0 80 PCT CONF 0.0 -0.1



127



100-



I I I I I I I I I I I I I I'l'l'l'l I I I I I I I I I I I I .

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WAC 691 NO PTS 32 MEAN -0.0 RMS 0.2
MEDIAN -0.0 80 PCT CONF 0.0 -0.1



' I I I I I I I I I'l'l I I I'l'l'l'l I I II I I I I I I I I I
-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WflC 692 NO PTS 65 MEAN -0.0 RMS 0.4
MEDIAN -0.0 80 PCT CONF 0.1 -0.1



100-



m

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-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES



WAC 693 NO PTS 42 MEAN 0.2
MEDIAN 0. 1 80 PCT CONF 0.2



RMS 0.3

0.0



III Ill Mill I I I I I I I I I I I II

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

MAC 694 NO PTS 101 MEAN 0.0 RMS 0.4
MEDIAN 0.0 80 PCT CONF 0.1 -0.1



100-1



ttttttttttttttTttttttttttttttt

-7-6-5-4-3-2-10 1 2 3 4 5 6 7

DEGREES

WflC 695 NO PTS 118 MEAN -0.1 RMS 0.5
MEDIAN -0.1 80 PCT CONF -0.0 -0.2



- TO -



- X>



I I I I I I I I
-7 -6 -5 -4



I I I I
-3 -2



I I I III I I I I I I I
2 3 4 5 6 7



WAC 696
MEDIAN



1 1

DEGREES

NO PTS 83 MEAN -0.0 RMS 0.8
-0.0 80 PCT CONF 0.1 -0.2



128



100-



50-



1 2 3 4 6 8 9 10 11 12 13 14 15

Online LibraryDonald W HillAn evaluation of the 1965.O epoch, H.O. 1706 World magnetic variation chart → online text (page 6 of 15)