Nominal Linrad S-meter with Linrad S-meter HP8591A level 40 dB attenuator (1) (2) (3) (1) (2) (3) (1) (dBm) (dB) (dB) (dB) (dB) (dB) (dB) (dBm) 15 97.35 96.06 96.28 14.78 13 95.50 94.33 94.57 12.96 11 93.50 92.50 92.69 10.96 9 91.50 90.62 90.77 8.95 7 89.52 88.72 88.85 6.97 5 87.56 86.86 86.96 5.04 3 85.59 84.96 85.07 3.07 1 83.60 83.06 83.12 1.14 -1 81.60 81.16 81.22 -0.77 -3 79.57 79.22 79.31 -2.82 -5 77.54 76.87 76.92 -4.80 -7 75.57 74.96 75.01 -6.76 -9 73.57 73.05 73.09 -8.76 -11 71.57 71.13 71.17 -10.77 -13 69.55 69.21 69.27 -12.77 -15 67.56 66.83 66.90 -14.75 -17 65.58 64.92 64.98 -16.85 -19 63.60 63.00 63.06 -18.83 -21 61.59 61.10 61.14 -20.83 -23 59.56 59.17 59.23 -22.87 -25 57.57 56.83 56.93 -24.87 -27 55.60 54.92 55.00 -26.82 -29 53.60 53.00 53.08 -28.81 -31 51.60 51.08 51.18 -30.77 -33 49.57 49.16 49.26 -32.85 -35 47.60 46.78 46.88 -34.80 -37 45.63 44.87 44.97 -36.75 -39 43.64 42.96 43.05 -38.73 -41 41.62 41.04 41.13 -40.73 -43 39.59 39.13 39.21 79.67 79.22 79.30 -42.82 -45 37.62 36.80 36.90 77.71 76.89 77.00 -44.75 -47 35.65 34.89 35.00 75.73 74.98 75.09 -46.74 -49 33.66 32.98 33.08 73.74 73.07 73.17 -48.73 -51 31.66 31.07 31.16 71.74 71.16 71.26 -50.66 -53 29.62 29.15 29.25 69.71 69.25 69.35 -52.73 -55 27.66 26.75 26.88 67.75 66.85 66.98 -54.66 -57 25.69 24.85 24.96 65.77 64.94 65.06 -56.70 -59 23.69 22.94 23.04 63.77 63.04 63.14 -58.70 -61 21.69 21.03 21.14 61.77 61.13 61.24 -60.64 -63 19.65 19.11 19.22 59.73 59.21 59.31 -65 17.65 16.83 16.88 57.72 56.92 56.98 -67 55.76 55.01 55.06 -69 53.77 53.10 53.15 -71 51.74 51.19 51.25 -73 49.72 49.27 49.32 -75 47.82 46.90 46.97 -77 45.87 44.99 45.05 -79 43.88 43.08 43.13 -81 41.85 41.16 41.22 -83 39.83 39.24 39.30 -85 37.82 36.97 36.99 -87 35.85 35.06 35.08 -89 33.84 33.16 33.16 -91 31.84 31.23 31.25 -93 29.79 29.31 29.33 -95 27.85 26.94 26.93 -97 25.87 25.03 25.01 -99 23.87 23.11 23.10 -101 21.87 21.20 21.21 -103 19.82 19.29 19.26 -105 17.75 16.90 16.97 -107 15.76 -109 13.76 -111 11.77 -113 9.69 -115 7.78