# Source: https://www.jbmballistics.com/ballistics/downloads/text/ra4.txt
# Fetched: 2026-07-22
# British RA 1929 reference function
0.000,0.2283
0.050,0.2283
0.100,0.2282
0.150,0.2281
0.200,0.2281
0.250,0.2281
0.300,0.2281
0.350,0.2281
0.400,0.2281
0.450,0.2281
0.500,0.2281
0.550,0.2281
0.600,0.2281
0.650,0.2281
0.700,0.2288
0.725,0.2296
0.750,0.2307
0.775,0.2320
0.800,0.2334
0.825,0.2359
0.850,0.2389
0.875,0.2480
0.900,0.2604
0.925,0.2819
0.950,0.3111
0.975,0.3496
1.000,0.3975
1.025,0.4530
1.050,0.5010
1.075,0.5476
1.100,0.5719
1.125,0.5895
1.150,0.5943
1.175,0.5933
1.200,0.5881
1.225,0.5810
1.250,0.5736
1.275,0.5690
1.300,0.5651
1.325,0.5629
1.350,0.5609
1.375,0.5591
1.400,0.5575
1.425,0.5558
1.450,0.5543
1.475,0.5527
1.500,0.5513
1.525,0.5499
1.550,0.5485
1.575,0.5472
1.600,0.5460
1.625,0.5449
1.650,0.5438
1.675,0.5428
1.700,0.5419
1.725,0.5410
1.750,0.5401
1.775,0.5393
1.800,0.5385
1.825,0.5377
1.850,0.5369
1.875,0.5361
1.900,0.5354
1.925,0.5346
1.950,0.5338
2.000,0.5323
2.100,0.5294
2.200,0.5267
2.300,0.5240
2.400,0.5216
2.500,0.5193
2.600,0.5170
2.650,0.5160
2.700,0.5149
2.800,0.5129
2.900,0.5109
3.000,0.5091
3.100,0.5074
3.200,0.5058
3.300,0.5043
3.400,0.5029
3.500,0.5017
3.600,0.5006
3.700,0.4995
3.800,0.4986
3.900,0.4977
4.000,0.4969