What does it mean for south of due west?
I was solving an astronomy problem which said that "south of due west".
This could be interpreted in two different ways and I don't know which one is correct. Is 'south of' on that phrase idiom? Or that's means southwest?
meaning phrase-meaning technical
New contributor
add a comment |
I was solving an astronomy problem which said that "south of due west".
This could be interpreted in two different ways and I don't know which one is correct. Is 'south of' on that phrase idiom? Or that's means southwest?
meaning phrase-meaning technical
New contributor
Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago
add a comment |
I was solving an astronomy problem which said that "south of due west".
This could be interpreted in two different ways and I don't know which one is correct. Is 'south of' on that phrase idiom? Or that's means southwest?
meaning phrase-meaning technical
New contributor
I was solving an astronomy problem which said that "south of due west".
This could be interpreted in two different ways and I don't know which one is correct. Is 'south of' on that phrase idiom? Or that's means southwest?
meaning phrase-meaning technical
meaning phrase-meaning technical
New contributor
New contributor
edited 2 hours ago
SamBC
5,540325
5,540325
New contributor
asked 3 hours ago
FafaFafa
62
62
New contributor
New contributor
Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago
add a comment |
Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago
Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago
add a comment |
1 Answer
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Look at a compass rose.
Look at W for west. Now move 'southwards' (due south), which is anticlockwise1 in this case, from the point for west. Somewhere in that region is "due south of west". You would expect it to be no nearer south than it is to west, as that would be "due west of south". Conventions vary, but I would tend to interpret "due south of west" WSW, or west-south-west, which is actually due west of south west. It might mean south-west, of course, or if you use a traditional mariner's compass (the compass rose of which has another degree of subdivision, for a total of 32 points), it might mean "west by south" (WbS), the point between W and WSW. Unless you have a clear idea of what the conventions of the text are, it could be any point anticlockwise of west and not anticlockwise of south-west.
1: In this case it is anticlockwise; 'southwards' from east would be clockwise.
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
|
show 3 more comments
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1 Answer
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Look at a compass rose.
Look at W for west. Now move 'southwards' (due south), which is anticlockwise1 in this case, from the point for west. Somewhere in that region is "due south of west". You would expect it to be no nearer south than it is to west, as that would be "due west of south". Conventions vary, but I would tend to interpret "due south of west" WSW, or west-south-west, which is actually due west of south west. It might mean south-west, of course, or if you use a traditional mariner's compass (the compass rose of which has another degree of subdivision, for a total of 32 points), it might mean "west by south" (WbS), the point between W and WSW. Unless you have a clear idea of what the conventions of the text are, it could be any point anticlockwise of west and not anticlockwise of south-west.
1: In this case it is anticlockwise; 'southwards' from east would be clockwise.
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
|
show 3 more comments
Look at a compass rose.
Look at W for west. Now move 'southwards' (due south), which is anticlockwise1 in this case, from the point for west. Somewhere in that region is "due south of west". You would expect it to be no nearer south than it is to west, as that would be "due west of south". Conventions vary, but I would tend to interpret "due south of west" WSW, or west-south-west, which is actually due west of south west. It might mean south-west, of course, or if you use a traditional mariner's compass (the compass rose of which has another degree of subdivision, for a total of 32 points), it might mean "west by south" (WbS), the point between W and WSW. Unless you have a clear idea of what the conventions of the text are, it could be any point anticlockwise of west and not anticlockwise of south-west.
1: In this case it is anticlockwise; 'southwards' from east would be clockwise.
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
|
show 3 more comments
Look at a compass rose.
Look at W for west. Now move 'southwards' (due south), which is anticlockwise1 in this case, from the point for west. Somewhere in that region is "due south of west". You would expect it to be no nearer south than it is to west, as that would be "due west of south". Conventions vary, but I would tend to interpret "due south of west" WSW, or west-south-west, which is actually due west of south west. It might mean south-west, of course, or if you use a traditional mariner's compass (the compass rose of which has another degree of subdivision, for a total of 32 points), it might mean "west by south" (WbS), the point between W and WSW. Unless you have a clear idea of what the conventions of the text are, it could be any point anticlockwise of west and not anticlockwise of south-west.
1: In this case it is anticlockwise; 'southwards' from east would be clockwise.
Look at a compass rose.
Look at W for west. Now move 'southwards' (due south), which is anticlockwise1 in this case, from the point for west. Somewhere in that region is "due south of west". You would expect it to be no nearer south than it is to west, as that would be "due west of south". Conventions vary, but I would tend to interpret "due south of west" WSW, or west-south-west, which is actually due west of south west. It might mean south-west, of course, or if you use a traditional mariner's compass (the compass rose of which has another degree of subdivision, for a total of 32 points), it might mean "west by south" (WbS), the point between W and WSW. Unless you have a clear idea of what the conventions of the text are, it could be any point anticlockwise of west and not anticlockwise of south-west.
1: In this case it is anticlockwise; 'southwards' from east would be clockwise.
edited 33 mins ago
J.R.♦
98.8k8127244
98.8k8127244
answered 2 hours ago
SamBCSamBC
5,540325
5,540325
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
|
show 3 more comments
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
There are more than 32 divisions on a compass...
– Solar Mike
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
@SolarMike: I meant the traditional compass rose configurations; have clarified.
– SamBC
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Don't mariners also use "points" ? ie 3 points South of due West... Unless I read some seriously bad books...
– Solar Mike
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
Yes. Those 32 divisions are the "points". 3 points south of due west would be south-west by south. They later added half-points, so you could say "half a point west of south-west", and eventually quarter-points, giving 128 directions on the compass. I don't know if they've switched to using degrees nowadays; I know less about modern sailing than 19th century and earlier sailing.
– SamBC
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
You may find figure 39 in this link illuminating, perhaps the whole thing... : zapatopi.net/kelvin/papers/…
– Solar Mike
2 hours ago
|
show 3 more comments
Fafa is a new contributor. Be nice, and check out our Code of Conduct.
Fafa is a new contributor. Be nice, and check out our Code of Conduct.
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Yes, it means "southwest". Just a bit to the south from the westerly direction.
– CowperKettle
3 hours ago
Well, it could be "West SouthWest" or "SouthWest" or "South SouthWest" as these are points on the compass, or it could be 269 degrees...
– Solar Mike
3 hours ago