%Frequency: start frequency of the disturbed fifty-mHz band 452.75 452.80 452.85 452.90 452.95 453.30 453.35 486.50 486.55 487.45 488.35 489.70 489.75 491.95 492.90 497.75 498.60 498.65 499.90 499.95 500.00 500.05 500.10 500.15 500.20 500.25 500.30 500.95 501.00 501.05 501.10 501.15 501.20 501.25 501.30 501.35 501.40 501.45 501.50 501.55 501.60 501.65 501.70 501.75 501.80 501.85 502.50 502.55 502.60 502.65 502.70 502.75 502.80 502.85 502.90 502.95 503.00 503.05 503.15 503.20 503.55 504.70 504.75 516.20 516.25 518.75 522.50 522.55 522.60 575.05 575.10 633.10 633.15 669.45 669.50 669.55 763.65 763.70 763.75 764.00 799.95 800.00 848.70 848.75 848.80 849.05 849.10 991.50 991.55 991.65 991.70 991.75 991.80 991.85 991.90 991.95 992.00 1011.40 1011.45 1082.85 1082.90 1082.95 1083.15 1083.20 1199.65 1220.40 1220.45