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From: d walden (no email)
Date: Mon Dec 05 2005 - 23:31:23 EST
A coin flip decided which latitude to use. My example was in fact the mean of George’s two examples. Doing both of his examples, for both possible latitudes, again both ‘frontward’ and then ‘backward’. Frontward demonstrates that the latitude, calculated as George showed, does indeed yield the desired altitude.
Example 1:
deg min
13 LHA 54 31 -> 8838
14 DR Lat 60 26 -> 3997
15 Dec 55 29 -> 3214
16 (theta) 28 2 <- SUM 16049 -> RES 11730
17 Lat~Dec 4 57 -> 373
18 Comp Alt 61 31 <- ALT 12103
18 Dec 55 29 -> ALT 17604
17 Lat~Alt 1 5 -> 18
16 (theta) 34 30 <- SUM 13758 <- RES 17586
15 Alt 61 31 -> 4190
14 DR Lat 60 26 -> 3997
13 Z 75 22 <- 5570
Zn 284 38
deg min
13 LHA 54 31 -> 8838
14 DR Lat 76 3 -> 8051
15 Dec 55 29 -> 3214
16 (theta) 19 30 <- SUM 20103 -> RES 5731
17 Lat~Dec 20 34 -> 6374
18 Comp Alt 61 31 <- ALT 12105
18 Dec 55 29 -> ALT 17604
17 Lat~Alt 14 32 -> 3200
16 (theta) 31 8 <- SUM 14887 <- RES 14404
15 Alt 61 31 -> 4190
14 DR Lat 76 3 -> 8051
13 Z 104 39 <- 2647
Zn 255 21
Example 2:
deg min
13 LHA 54 29 -> 8844
14 DR Lat 60 10 -> 3951
15 Dec 55 31 -> 3219
16 (theta) 28 7 <- SUM 16014 -> RES 11803
17 Lat~Dec 4 39 -> 329
18 Comp Alt 61 29 <- ALT 12132
18 Dec 55 31 -> ALT 17571
17 Lat~Alt 1 19 -> 26
16 (theta) 34 27 <- SUM 13771 <- RES 17545
15 Alt 61 29 -> 4184
14 DR Lat 60 10 -> 3951
13 Z 74 51 <- 5636
Zn 285 9
deg min
13 LHA 54 29 -> 8844
14 DR Lat 76 20 -> 8164
15 Dec 55 31 -> 3219
16 (theta) 19 17 <- SUM 20228 -> RES 5606
17 Lat~Dec 20 49 -> 6528
18 Comp Alt 61 29 <- ALT 12134
18 Dec 55 31 -> ALT 17571
17 Lat~Alt 14 51 -> 3341
16 (theta) 30 56 <- SUM 14956 <- RES 14230
15 Alt 61 29 -> 4184
14 DR Lat 76 20 -> 8164
13 Z 105 9 <- 2608
Zn 254 51
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