{"captures":["2026-10-06T0509Z-18051-xpb1-0510","2026-10-03T0508Z-18051-xpb1-0510","2026-09-25T0510Z-18051-xpb1-0510","2026-09-24T0507Z-18051-xpb1-0510","2026-09-23T0526Z-18051-xpb1-0510","2026-09-22T0509Z-18051-xpb1-0510","2026-09-21T0508Z-18051-xpb1-0510"],"freqs_khz":[18051.0],"kind":"","name":"XPB1 polytone ladder, 05:10 step","slug":"xpb1-0510","tier":"B"}