| West Kennet | Long Barrow 1010628 | Lat:51.41 | ||
| Az | Alt | AppDec | LunarDec | |
| Hilltop ish - corner post | 0.84 | 0.58 | 38.68 | |
| Int ish tree gap | 12.02 | 0.30 | 37.37 | |
| Tall tree base | 19.40 | 0.93 | 36.53 | |
| Trees R step | 26.77 | 0.92 | 34.30 | |
| Top between 2 trees | 32.49 | 0.92 | 32.20 | 33.07 |
| Top (bush) after big clump | 42.67 | 0.79 | 27.60 | 28.43 |
| Trees small gap | 45.71 | 0.71 | 26.04 | 26.86 |
| Between 2 roundy bushes | 50.84 | 0.70 | 23.40 | 24.20 |
| Trees R end base | 55.55 | 0.52 | 20.69 | 21.48 |
| Big tree base c | 59.43 | 0.39 | 18.39 | 19.18 |
| Trees - pointy hump top | 66.51 | 0.35 | 14.26 | |
| Trees R base | 70.52 | 0.17 | 11.70 | |
| Far trees hump top | 75.86 | 0.15 | 8.45 | |
| Int? hump L base | 79.53 | -0.02 | 6.02 | |
| Int? hump top | 79.94 | 0.06 | 5.85 | |
| Trees L step base | 83.46 | 0.09 | 3.70 | |
| Pointy trees hump top | 93.91 | 0.52 | -2.41 | |
| Step/break L b dip | 100.89 | 0.53 | -6.74 | |
| Trees R step base | 120.43 | 0.89 | -18.04 | |
| Trees L step base | 123.64 | 0.90 | -19.83 | -19.04 |
| Fat tree b/c after 4 group | 131.55 | 1.00 | -23.94 | -23.12 |
| Trees R base | 136.31 | 1.04 | -26.26 | -25.43 |
| Int ish L bush step - small bush | 140.69 | 1.06 | -28.28 | -27.43 |
| Far trees hump top c | 146.57 | 1.45 | -30.37 | -29.50 |
| Near trees hump R step | 152.00 | 1.56 | -32.29 | |
| Tree clump L base | 158.55 | 1.44 | -34.46 | |
| Far roundy bush base | 169.50 | 1.68 | -36.50 | |
| Top L - roundy bale base | 180.91 | 1.94 | -36.96 | |
| Top R - break/step | 187.59 | 1.73 | -36.81 | |
| Hump after gap | 194.98 | 0.00 | 0.00 | <-! Verror |
| L basal dip | 201.97 | 1.20 | -34.57 | |
| R basal dip | 209.47 | 1.35 | -31.98 | |
| L basal dip | 210.67 | 1.34 | -31.55 | -30.67 |
| Top L (approx highest) | 215.59 | 1.73 | -29.21 | -28.35 |
| Top over arable corner | 218.23 | 1.71 | -28.11 | -27.26 |
| R basal break - grass/earth | 225.00 | 1.18 | -25.49 | -24.66 |
| Top - biggest hump R | 228.76 | 1.07 | -23.71 | -22.90 |
| End post on clear h | 241.14 | 0.72 | -17.31 | -16.53 |
| Green trees L base | 254.73 | 0.64 | -9.32 | |
| Gap c | 261.73 | 0.48 | -5.16 | |
| Axis ish grass/trees | 265.35 | 0.29 | -3.09 | |
| R green tree top | 271.34 | 0.64 | 0.97 | |
| Trees R step base | 275.15 | 0.59 | 3.30 | |
| Top L basal step | 279.76 | 0.66 | 6.22 | |
| Top L hump top | 281.09 | 0.82 | 7.19 | |
| Obelisk base c | 285.44 | 0.77 | 9.81 | |
| Trees L base | 288.48 | 0.70 | 11.59 | |
| Trees L base | 296.33 | 0.54 | 16.10 | 16.87 |
| Far trees L base | 302.75 | 0.32 | 19.55 | 20.33 |
| Far trees V dip | 310.06 | 0.01 | 23.17 | 23.98 |
| Silbury Hill top hump | 328.73 | 0.47 | 32.19 | 33.06 |
| Silbury Hill top c hump | 328.68 | 0.47 | 32.17 | |
| Distant hump top c ish | 333.34 | 0.25 | 33.60 | |
| Mast c base | 340.27 | 0.23 | 35.65 | |
| Int ish tree c / slope | 351.92 | 0.15 | 37.73 | |
| Passage end - c ish | 265.47 | -1.41 | -4.74 | From passage entrance c ish |
| Therefore NE axis = | 94.53 | |||