background data file 24 electrodes, spaced every 0.5 m number of data = 79 # C+ C- P+ P- R (Ohms) 1 1 2 3 4 -113.709823 2 2 3 4 5 -119.868904 3 3 4 5 6 -130.835958 4 4 5 6 7 -141.776880 5 5 6 7 8 -113.024283 6 6 7 8 9 -125.083372 7 7 8 9 10 -126.898394 8 8 9 10 11 -84.658602 9 9 10 11 12 -101.922883 10 10 11 12 13 -53.151991 11 11 12 13 14 -84.412535 12 12 13 14 15 -47.906518 13 13 14 15 16 -100.144541 14 14 15 16 17 -97.816757 15 15 16 17 18 -119.495988 16 16 17 18 19 -107.928274 17 17 18 19 20 -101.791097 18 18 19 20 21 -101.615614 19 19 20 21 22 -110.292825 20 20 21 22 23 -120.647884 21 1 3 5 7 -42.003602 22 2 4 6 8 -51.458789 23 3 5 7 9 -46.566408 24 4 6 8 10 -36.771508 25 5 7 9 11 -41.463137 26 6 8 10 12 -30.710060 27 7 9 11 13 -27.246372 28 8 10 12 14 -29.684348 29 9 11 13 15 -43.659455 30 10 12 14 16 -45.149247 31 11 13 15 17 -31.471130 32 12 14 16 18 -40.976532 33 13 15 17 19 -53.931060 34 14 16 18 20 -55.165509 35 15 17 19 21 -53.212486 36 16 18 20 22 -55.567797 37 17 19 21 23 -50.333744 38 18 20 22 24 -41.131996 39 1 4 7 10 -18.810033 40 2 5 8 11 -17.405624 41 3 6 9 12 -16.514323 42 4 7 10 13 -14.202755 43 5 8 11 14 -12.501465 44 6 9 12 15 -12.489419 45 7 10 13 16 -21.162412 46 8 11 14 17 -32.435833 47 9 12 15 18 -24.927579 48 10 13 16 19 -19.923933 49 11 14 17 20 -24.272148 50 12 15 18 21 -27.528027 51 13 16 19 22 -30.723139 52 14 17 20 23 -31.134959 53 15 18 21 24 -28.704707 54 1 5 9 13 -9.054599 55 2 6 10 14 -7.474396 56 3 7 11 15 -7.637364 57 4 8 12 16 -7.486621 58 5 9 13 17 -9.244248 59 6 10 14 18 -15.030513 60 7 11 15 19 -16.341945 61 8 12 16 20 -13.994783 62 9 13 17 21 -12.970072 63 10 14 18 22 -13.949981 64 11 15 19 23 -15.539553 65 12 16 20 24 -17.203620 67 2 7 12 17 -5.288612 68 3 8 13 18 -6.176432 69 4 9 14 19 -7.212006 70 5 10 15 20 -8.538713 71 6 11 16 21 -9.639755 72 7 12 17 22 -9.114683 73 8 13 18 23 -7.838363 74 9 14 19 24 -8.503005 75 1 7 13 19 -4.670772 76 2 8 14 20 -5.087848 77 3 9 15 21 -4.951757 78 4 10 16 22 -5.765169 79 5 11 17 23 -6.611272 80 6 12 18 24 -5.871436