Thursday, Mar 19, 2015 at 14:44
Ted beat me to Wiki by a whisker , Here is a cut / paste of relevant list .Half- and quarter-points
Compass Rose from "American Practical Navigator" 1916
By at least the middle of the eighteenth century the 32-point system had been further extended with the use of half- and quarter-points to give a total of 128 directions.[9] These fractional points are named by appending, for example 1/4east, 1/2east, or 3/4east to the name of one of the 32 points. Each of the 96 fractional points can be named in two ways, depending of which of the two adjoining whole points is used, for example, N3/4E is equivalent to NbE1/4N. Either form is easily understood but differing conventions as to correct usage developed in different countries and organisations.
The table below shows how each of the 128 directions are named. The first two columns give the number of points and degrees clockwise from north. The third gives the equivalent bearing to the nearest degree from north or south towards east or west. The "CW" column gives the fractional-point bearings increasing in the clockwise direction and "CCW" counter clockwise. The final three columns show three common naming conventions: No "by" avoids the use of "by" with fractional points; "USN" the system used by US Navy;[10] and "RN" the Royal Navy.[11] The colour coding illustrates where each of the three naming systems matches the "CW" and "CCW" columns.
Compass roses very rarely named the fractional points and only showed small, unlabelled markers as a guide for helmsmen.
128 Quarter-Points
Points Degrees Bearing CW CCW No "by" USN RN
0 0° 0' 0" N N N N N N
1/4 2° 48' 45" N 3° E N1/4E NbE3/4N N1/4E N1/4E N1/4E
1/2 5° 37' 30" N 6° E N1/2E NbE1/2N N1/2E N1/2E N1/2E
3/4 8° 26' 15" N 8° E N3/4E NbE1/4N N3/4E N3/4E N3/4E
1 11° 15' 0" N 11° E NbE NbE NbE NbE NbE
11/4 14° 3' 45" N 14° E NbE1/4E NNE3/4N NNE3/4N NbE1/4E NbE1/4E
11/2 16° 52' 30" N 17° E NbE1/2E NNE1/2N NNE1/2N NbE1/2E NbE1/2E
13/4 19° 41' 15" N 20° E NbE3/4E NNE1/4N NNE1/4N NbE3/4E NbE3/4E
2 22° 30' 0" N 23° E NNE NNE NNE NNE NNE
21/4 25° 18' 45" N 25° E NNE1/4E NEbN3/4N NNE1/4E NNE1/4E NNE1/4E
21/2 28° 7' 30" N 28° E NNE1/2E NEbN1/2N NNE1/2E NNE1/2E NNE1/2E
23/4 30° 56' 15" N 31° E NNE3/4E NEbN1/4N NNE3/4E NNE3/4E NNE3/4E
3 33° 45' 0" N 34° E NEbN NEbN NEbN NEbN NEbN
31/4 36° 33' 45" N 37° E NEbN1/4E NE3/4N NE3/4N NE3/4N NE3/4N
31/2 39° 22' 30" N 39° E NEbN1/2E NE1/2N NE1/2N NE1/2N NE1/2N
33/4 42° 11' 15" N 42° E NEbN3/4E NE1/4N NE1/4N NE1/4N NE1/4N
4 45° 0' 0" N 45° E NE NE NE NE NE
41/4 47° 48' 45" N 48° E NE1/4E NEbE3/4N NE1/4E NE1/4E NE1/4E
41/2 50° 37' 30" N 51° E NE1/2E NEbE1/2N NE1/2E NE1/2E NE1/2E
43/4 53° 26' 15" N 53° E NE3/4E NEbE1/4N NE3/4E NE3/4E NE3/4E
5 56° 15' 0" N 56° E NEbE NEbE NEbE NEbE NEbE
51/4 59° 3' 45" N 59° E NEbE1/4E ENE3/4N ENE3/4N NEbE1/4E NEbE1/4E
51/2 61° 52' 30" N 62° E NEbE1/2E ENE1/2N ENE1/2N NEbE1/2E NEbE1/2E
53/4 64° 41' 15" N 65° E NEbE3/4E ENE1/4N ENE1/4N NEbE3/4E NEbE3/4E
6 67° 30' 0" N 68° E ENE ENE ENE ENE ENE
61/4 70° 18' 45" N 70° E ENE1/4E EbN3/4N ENE1/4E ENE1/4E EbN3/4N
61/2 73° 7' 30" N 73° E ENE1/2E EbN1/2N ENE1/2E ENE1/2E EbN1/2N
63/4 75° 56' 15" N 76° E ENE3/4E EbN1/4N ENE3/4E ENE3/4E EbN1/4N
7 78° 45' 0" N 79° E EbN EbN EbN EbN EbN
71/4 81° 33' 45" N 82° E EbN1/4E E3/4N E3/4N E3/4N E3/4N
71/2 84° 22' 30" N 84° E EbN1/2E E1/2N E1/2N E1/2N E1/2N
73/4 87° 11' 15" N 87° E EbN3/4E E1/4N E1/4N E1/4N E1/4N
8 90° 0' 0" E E E E E E
81/4 92° 48' 45" S 87° E E1/4S EbS3/4E E1/4S E1/4S E1/4S
81/2 95° 37' 30" S 84° E E1/2S EbS1/2E E1/2S E1/2S E1/2S
83/4 98° 26' 15" S 82° E E3/4S EbS1/4E E3/4S E3/4S E3/4S
9 101° 15' 0" S 79° E EbS EbS EbS EbS EbS
91/4 104° 3' 45" S 76° E EbS1/4S ESE3/4E ESE3/4E ESE3/4E EbS1/4S
91/2 106° 52' 30" S 73° E EbS1/2S ESE1/2E ESE1/2E ESE1/2E EbS1/2S
93/4 109° 41' 15" S 70° E EbS3/4S ESE1/4E ESE1/4E ESE1/4E EbS3/4S
10 112° 30' 0" S 68° E ESE ESE ESE ESE ESE
101/4 115° 18' 45" S 65° E ESE1/4S SEbE3/4E ESE1/4S SEbE3/4E SEbE3/4E
101/2 118° 7' 30" S 62° E ESE1/2S SEbE1/2E ESE1/2S SEbE1/2E SEbE1/2E
103/4 120° 56' 15" S 59° E ESE3/4S SEbE1/4E ESE3/4S SEbE1/4E SEbE1/4E
11 123° 45' 0" S 56° E SEbE SEbE SEbE SEbE SEbE
111/4 126° 33' 45" S 53° E SEbE1/4S SE3/4E SE3/4E SE3/4E SE3/4E
111/2 129° 22' 30" S 51° E SEbE1/2S SE1/2E SE1/2E SE1/2E SE1/2E
113/4 132° 11' 15" S 48° E SEbE3/4S SE1/4E SE1/4E SE1/4E SE1/4E
12 135° 0' 0" S 45° E SE SE SE SE SE
121/4 137° 48' 45" S 42° E SE1/4S SEbS3/4E SE1/4S SE1/4S SE1/4S
121/2 140° 37' 30" S 39° E SE1/2S SEbS1/2E SE1/2S SE1/2S SE1/2S
123/4 143° 26' 15" S 37° E SE3/4S SEbS1/4E SE3/4S SE3/4S SE3/4S
13 146° 15' 0" S 34° E SEbS SEbS SEbS SEbS SEbS
131/4 149° 3' 45" S 31° E SEbS1/4S SSE3/4E SSE3/4E SSE3/4E SSE3/4E
131/2 151° 52' 30" S 28° E SEbS1/2S SSE1/2E SSE1/2E SSE1/2E SSE1/2E
133/4 154° 41' 15" S 25° E SEbS3/4S SSE1/4E SSE1/4E SSE1/4E SSE1/4E
14 157° 30' 0" S 23° E SSE SSE SSE SSE SSE
141/4 160° 18' 45" S 20° E SSE1/4S SbE3/4E SSE1/4S SbE3/4E SbE3/4E
141/2 163° 7' 30" S 17° E SSE1/2S SbE1/2E SSE1/2S SbE1/2E SbE1/2E
143/4 165° 56' 15" S 14° E SSE3/4S SbE1/4E SSE3/4S SbE1/4E SbE1/4E
15 168° 45' 0" S 11° E SbE SbE SbE SbE SbE
151/4 171° 33' 45" S 8° E SbE1/4S S3/4E S3/4E S3/4E S3/4E
151/2 174° 22' 30" S 6° E SbE1/2S S1/2E S1/2E S1/2E S1/2E
153/4 177° 11' 15" S 3° E SbE3/4S S1/4E S1/4E S1/4E S1/4E
16 180° 0' 0" S S S S S S
161/4 182° 48' 45" S 3° W S1/4W SbW3/4S S1/4W S1/4W S1/4W
161/2 185° 37' 30" S 6° W S1/2W SbW1/2S S1/2W S1/2W S1/2W
163/4 188° 26' 15" S 8° W S3/4W SbW1/4S S3/4W S3/4W S3/4W
17 191° 15' 0" S 11° W SbW SbW SbW SbW SbW
171/4 194° 3' 45" S 14° W SbW1/4W SSW3/4S SSW3/4S SbW1/4W SbW1/4W
171/2 196° 52' 30" S 17° W SbW1/2W SSW1/2S SSW1/2S SbW1/2W SbW1/2W
173/4 199° 41' 15" S 20° W SbW3/4W SSW1/4S SSW1/4S SbW3/4W SbW3/4W
18 202° 30' 0" S 23° W SSW SSW SSW SSW SSW
181/4 205° 18' 45" S 25° W SSW1/4W SWbS3/4S SSW1/4W SSW1/4W SSW1/4W
181/2 208° 7' 30" S 28° W SSW1/2W SWbS1/2S SSW1/2W SSW1/2W SSW1/2W
183/4 210° 56' 15" S 31° W SSW3/4W SWbS1/4S SSW3/4W SSW3/4W SSW3/4W
19 213° 45' 0" S 34° W SWbS SWbS SWbS SWbS SWbS
191/4 216° 33' 45" S 37° W SWbS1/4W SW3/4S SW3/4S SW3/4S SW3/4S
191/2 219° 22' 30" S 39° W SWbS1/2W SW1/2S SW1/2S SW1/2S SW1/2S
193/4 222° 11' 15" S 42° W SWbS3/4W SW1/4S SW1/4S SW1/4S SW1/4S
20 225° 0' 0" S 45° W SW SW SW SW SW
201/4 227° 48' 45" S 48° W SW1/4W SWbW3/4S SW1/4W SW1/4W SW1/4W
201/2 230° 37' 30" S 51° W SW1/2W SWbW1/2S SW1/2W SW1/2W SW1/2W
203/4 233° 26' 15" S 53° W SW3/4W SWbW1/4S SW3/4W SW3/4W SW3/4W
21 236° 15' 0" S 56° W SWbW SWbW SWbW SWbW SWbW
211/4 239° 3' 45" S 59° W SWbW1/4W WSW3/4S WSW3/4S SWbW1/4W SWbW1/4W
211/2 241° 52' 30" S 62° W SWbW1/2W WSW1/2S WSW1/2S SWbW1/2W SWbW1/2W
213/4 244° 41' 15" S 65° W SWbW3/4W WSW1/4S WSW1/4S SWbW3/4W SWbW3/4W
22 247° 30' 0" S 68° W WSW WSW WSW WSW WSW
221/4 250° 18' 45" S 70° W WSW1/4W WbS3/4S WSW1/4W WSW1/4W WbS3/4S
221/2 253° 7' 30" S 73° W WSW1/2W WbS1/2S WSW1/2W WSW1/2W WbS1/2S
223/4 255° 56' 15" S 76° W WSW3/4W WbS1/4S WSW3/4W WSW3/4W WbS1/4S
23 258° 45' 0" S 79° W WbS WbS WbS WbS WbS
231/4 261° 33' 45" S 82° W WbS1/4W W3/4S W3/4S W3/4S W3/4S
231/2 264° 22' 30" S 84° W WbS1/2W W1/2S W1/2S W1/2S W1/2S
233/4 267° 11' 15" S 87° W WbS3/4W W1/4S W1/4S W1/4S W1/4S
24 270° 0' 0" W W W W W W
241/4 272° 48' 45" N 87° W W1/4N WbN3/4W W1/4N W1/4N W1/4N
241/2 275° 37' 30" N 84° W W1/2N WbN1/2W W1/2N W1/2N W1/2N
243/4 278° 26' 15" N 82° W W3/4N WbN1/4W W3/4N W3/4N W3/4N
25 281° 15' 0" N 79° W WbN WbN WbN WbN WbN
251/4 284° 3' 45" N 76° W WbN1/4N WNW3/4W WNW3/4W WNW3/4W WbN1/4N
251/2 286° 52' 30" N 73° W WbN1/2N WNW1/2W WNW1/2W WNW1/2W WbN1/2N
253/4 289° 41' 15" N 70° W WbN3/4N WNW1/4W WNW1/4W WNW1/4W WbN3/4N
26 292° 30' 0" N 68° W WNW WNW WNW WNW WNW
261/4 295° 18' 45" N 65° W WNW1/4N NWbW3/4W WNW1/4N NWbW3/4W NWbW3/4W
261/2 298° 7' 30" N 62° W WNW1/2N NWbW1/2W WNW1/2N NWbW1/2W NWbW1/2W
263/4 300° 56' 15" N 59° W WNW3/4N NWbW1/4W WNW3/4N NWbW1/4W NWbW1/4W
27 303° 45' 0" N 56° W NWbW NWbW NWbW NWbW NWbW
271/4 306° 33' 45" N 53° W NWbW1/4N NW3/4W NW3/4W NW3/4W NW3/4W
271/2 309° 22' 30" N 51° W NWbW1/2N NW1/2W NW1/2W NW1/2W NW1/2W
273/4 312° 11' 15" N 48° W NWbW3/4N NW1/4W NW1/4W NW1/4W NW1/4W
28 315° 0' 0" N 45° W NW NW NW NW NW
281/4 317° 48' 45" N 42° W NW1/4N NWbN3/4W NW1/4N NW1/4N NW1/4N
281/2 320° 37' 30" N 39° W NW1/2N NWbN1/2W NW1/2N NW1/2N NW1/2N
283/4 323° 26' 15" N 37° W NW3/4N NWbN1/4W NW3/4N NW3/4N NW3/4N
29 326° 15' 0" N 34° W NWbN NWbN NWbN NWbN NWbN
291/4 329° 3' 45" N 31° W NWbN1/4N NNW3/4W NNW3/4W NNW3/4W NNW3/4W
291/2 331° 52' 30" N 28° W NWbN1/2N NNW1/2W NNW1/2W NNW1/2W NNW1/2W
293/4 334° 41' 15" N 25° W NWbN3/4N NNW1/4W NNW1/4W NNW1/4W NNW1/4W
30 337° 30' 0" N 23° W NNW NNW NNW NNW NNW
301/4 340° 18' 45" N 20° W NNW1/4N NbW3/4W NNW1/4N NbW3/4W NbW3/4W
301/2 343° 7' 30" N 17° W NNW1/2N NbW1/2W NNW1/2N NbW1/2W NbW1/2W
303/4 345° 56' 15" N 14° W NNW3/4N NbW1/4W NNW3/4N NbW1/4W NbW1/4W
31 348° 45' 0" N 11° W NbW NbW NbW NbW NbW
311/4 351° 33' 45" N 8° W NbW1/4N N3/4W N3/4W N3/4W N3/4W
311/2 354° 22' 30" N 6° W NbW1/2N N1/2W N1/2W N1/2W N1/2W
313/4 357° 11' 15" N 3° W NbW3/4N N1/4W N1/4W N1/4W N1/4W
32 360° 0' 0" N N N N N N
AnswerID:
551210