{"captures":["2026-10-06T1539Z-17.3-vlf-17300","2026-10-06T0945Z-17.3-vlf-17300","2026-10-06T0151Z-17.3-vlf-17300","2026-10-05T1901Z-17.3-vlf-17300","2026-10-04T1821Z-17.3-vlf-17300","2026-10-03T1454Z-17.3-vlf-17300","2026-10-03T0809Z-17.3-vlf-17300","2026-10-03T0301Z-17.3-vlf-17300","2026-10-02T2047Z-17.3-vlf-17300","2026-10-02T0809Z-17.3-vlf-17300","2026-10-02T0011Z-17.3-vlf-17300","2026-09-27T0830Z-17.3-vlf-17300"],"freqs_khz":[17.3],"kind":"","name":"VLF submarine band 17.6-20.0 kHz (RDL, HWU, GBZ chord)","slug":"vlf-17300","tier":"A"}