4月21日、0400代に聞こえた10MHz以上の周波数をチェックした。
18870.142,
17300.513, 17200.329, 17169.906,
16979.935, 16919.995, 16775.093, 16750.082, 16530.165, 16450.011, 16160.159, 16100.245,
15869.943, 15840.030, 15799.794, 15775.195, 15339.994,
14980.071, 14920.228, 14900.187, 14870.017, 14700.239, 14369.969,
13980.215, 13919.938, 13869.911, 13850.051, 13820.208, 13775.115, 13679.819, 13639.901, 13530.216, 13230.014, 13200.055, 13070.019,
12980.135, 12950.057, 12910.130, 12870.048, 12799.954, 12775.117, 12560.043, 12500.375, 12345.033, 12230.015, 12150.050,
11774.844, 11765.021, 11715.082, 11529.928, 11470.095, 11430.018, 11300.146, 11149.901,
10960.018、10870.125,
引き続き0900代に聞こえた周波数。
9970.115, 9849.974, 9729.963, 9634.918, 9540.107, 9359.981(1028~), 9199.985,
7600.028, 7310.084, 7279.995, 7210.052,
6970.053, 6900.043, 6870.013, 6280.109
relay RFA
13890.048, 12190.252, 11970.122、11600.233, 11580.153, 11099.948,
9320.132, 9280.147, 9155.016