Core diameter	Backscattering coefficient from surfaces, dB/m 	Backscattering coefficient from air, dB/m 
um

24	-103.38268	-96.77637
24.1	-103.49103	-96.81249
24.2	-103.59893	-96.84845
24.3	-103.70638	-96.88427
24.4	-103.81339	-96.91994
24.5	-103.91997	-96.95547
24.6	-104.02611	-96.99085
24.7	-104.13182	-97.02609
24.8	-104.2371	-97.06118
24.9	-104.34196	-97.09613
25	-104.4464	-97.13095
25.1	-104.55043	-97.16562
25.2	-104.65404	-97.20016
25.3	-104.75724	-97.23456
25.4	-104.86003	-97.26882
25.5	-104.96241	-97.30295
25.6	-105.0644	-97.33695
25.7	-105.16599	-97.37081
25.8	-105.26719	-97.40454
25.9	-105.36799	-97.43814
26	-105.4684	-97.47161
26.1	-105.56843	-97.50496
26.2	-105.66808	-97.53817
26.3	-105.76735	-97.57126
26.4	-105.86624	-97.60422
26.5	-105.96476	-97.63706
26.6	-106.0629	-97.66978
26.7	-106.16068	-97.70237
26.8	-106.25809	-97.73484
26.9	-106.35514	-97.76719
27	-106.45183	-97.79942
27.1	-106.54816	-97.83153
27.2	-106.64414	-97.86352
27.3	-106.73976	-97.8954
27.4	-106.83504	-97.92716
27.5	-106.92997	-97.9588
27.6	-107.02455	-97.99033
27.7	-107.11879	-98.02174
27.8	-107.21269	-98.05304
27.9	-107.30626	-98.08423
28	-107.39949	-98.11531
28.1	-107.49238	-98.14627
28.2	-107.58495	-98.17713
28.3	-107.67719	-98.20788
28.4	-107.7691	-98.23851
28.5	-107.8607	-98.26904
28.6	-107.95197	-98.29947
28.7	-108.04292	-98.32978
28.8	-108.13355	-98.36
28.9	-108.22387	-98.3901
29	-108.31388	-98.42011
29.1	-108.40358	-98.45001
29.2	-108.49298	-98.4798
29.3	-108.58206	-98.5095
29.4	-108.67084	-98.53909
29.5	-108.75933	-98.56859
29.6	-108.84751	-98.59798
29.7	-108.93539	-98.62728
29.8	-109.02298	-98.65647
29.9	-109.11028	-98.68557
30	-109.19728	-98.71457
30.1	-109.28399	-98.74348
30.2	-109.37042	-98.77229
30.3	-109.45656	-98.801
30.4	-109.54242	-98.82962
30.5	-109.62799	-98.85814
30.6	-109.71329	-98.88657
30.7	-109.79831	-98.91491
30.8	-109.88305	-98.94316
30.9	-109.96751	-98.97132
31	-110.05171	-98.99938
31.1	-110.13563	-99.02735
31.2	-110.21928	-99.05524
31.3	-110.30266	-99.08303
31.4	-110.38578	-99.11074
31.5	-110.46864	-99.13836
31.6	-110.55123	-99.16589
31.7	-110.63356	-99.19333
31.8	-110.71563	-99.22069
31.9	-110.79745	-99.24796
32	-110.879	-99.27515
32.1	-110.96031	-99.30225
32.2	-111.04136	-99.32926
32.3	-111.12216	-99.3562
32.4	-111.2027	-99.38305
32.5	-111.28301	-99.40981
32.6	-111.36306	-99.4365
32.7	-111.44287	-99.4631
32.8	-111.52243	-99.48962
32.9	-111.60176	-99.51606
33	-111.68084	-99.54243
33.1	-111.75968	-99.56871
33.2	-111.83829	-99.59491
33.3	-111.91666	-99.62103
33.4	-111.99479	-99.64708
33.5	-112.07269	-99.67304
33.6	-112.15036	-99.69893
33.7	-112.2278	-99.72474
33.8	-112.30501	-99.75048
33.9	-112.38199	-99.77614
34	-112.45874	-99.80172
34.1	-112.53527	-99.82723
34.2	-112.61157	-99.85267
34.3	-112.68765	-99.87803
34.4	-112.76351	-99.90332
34.5	-112.83915	-99.92853
34.6	-112.91457	-99.95367
34.7	-112.98977	-99.97874
34.8	-113.06476	-100.00373
34.9	-113.13953	-100.02865
35	-113.21409	-100.05351
35.1	-113.28843	-100.07829
35.2	-113.36256	-100.103
35.3	-113.43649	-100.12764
35.4	-113.5102	-100.15221
35.5	-113.58371	-100.17671
35.6	-113.657	-100.20115
35.7	-113.7301	-100.22551
35.8	-113.80299	-100.24981
35.9	-113.87567	-100.27404
36	-113.94815	-100.2982
36.1	-114.02044	-100.32229
36.2	-114.09252	-100.34632
36.3	-114.1644	-100.37028
36.4	-114.23609	-100.39417
36.5	-114.30758	-100.418
36.6	-114.37887	-100.44177
36.7	-114.44997	-100.46547
36.8	-114.52087	-100.4891
36.9	-114.59159	-100.51267
37	-114.66211	-100.53618
37.1	-114.73244	-100.55962
37.2	-114.80258	-100.58301
37.3	-114.87253	-100.60632
37.4	-114.9423	-100.62958
37.5	-115.01188	-100.65277
37.6	-115.08127	-100.6759
37.7	-115.15049	-100.69897
37.8	-115.21951	-100.72198
37.9	-115.28836	-100.74493
38	-115.35702	-100.76782
38.1	-115.4255	-100.79065
38.2	-115.49381	-100.81341
38.3	-115.56193	-100.83612
38.4	-115.62988	-100.85877
38.5	-115.69765	-100.88136
38.6	-115.76524	-100.90389
38.7	-115.83266	-100.92637
38.8	-115.89991	-100.94878
38.9	-115.96698	-100.97114
39	-116.03388	-100.99344
39.1	-116.10061	-101.01568
39.2	-116.16717	-101.03787
39.3	-116.23356	-101.06
39.4	-116.29978	-101.08207
39.5	-116.36583	-101.10409
39.6	-116.43172	-101.12605
39.7	-116.49743	-101.14796
39.8	-116.56299	-101.16981
39.9	-116.62838	-101.1916
40	-116.6936	-101.21335
40.1	-116.75867	-101.23503
40.2	-116.82357	-101.25667
40.3	-116.88831	-101.27825
40.4	-116.95289	-101.29977
40.5	-117.01731	-101.32125
40.6	-117.08157	-101.34267
40.7	-117.14567	-101.36403