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    "geometry_artifact": "data/derived/ha01-juan-selected-cohort/v1/cohort-rows.csv",
    "case_key": "highlighted_set_member_identity",
    "coordinate": {
      "field": "frequency_hz",
      "label": "Frequency",
      "units": "Hz"
    },
    "selector": {
      "type": "radio_map",
      "members": 21,
      "receiver": "receiver.h01w.virtual_node_mean.v1"
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    "series": [
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        "label": "RAM \u00b7 6 m",
        "units": "dB",
        "encoding": "points"
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      {
        "field": "authoritative_ram_tl_0p7T_db_when_required",
        "label": "RAM \u00b7 70% draught",
        "units": "dB",
        "nullable": true,
        "encoding": "points"
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        "field": "tl_lite_db",
        "label": "TL-lite",
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        "encoding": "context_line"
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        "field": "spherical_spreading_db",
        "label": "Spherical spreading",
        "units": "dB",
        "encoding": "context_line"
      },
      {
        "field": "ainslie_fast_db",
        "label": "Ainslie fast TL",
        "units": "dB",
        "encoding": "context_line"
      }
    ],
    "scientific_table_is_immutable_input": true,
    "presentation_state_changes_instance_identity": false
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  "case_count": 21,
  "frequency_count_per_case": 14,
  "receiver_geometry": {
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    "longitude_deg": 114.14130333333333,
    "latitude_deg": -34.89154333333333,
    "basis": "unweighted mean of H01W1, H01W2 and H01W3"
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  "presentation_only": true,
  "scientific_recomputation": false,
  "sources": [
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      "path": "data/manifests/amsa_cts_2025_2026_manifest.json",
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      "size_bytes": 205384
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    {
      "path": "analysis/ram-propagation/ha01-cts-srr-02-2026-pt/data/natural-earth/ne_10m_land.geojson",
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      "path": "desired-state/representations.yaml",
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  "claim_limits": [
    "The view exposes existing propagation values; it does not create new TL values.",
    "Fast estimates are context only and never fill or satisfy RAM columns.",
    "The fixed 6 m and conditional 70%-draught evaluations are distinct source-depth conventions.",
    "Modeled TL is not measured sound, detection, contribution, attribution, or prediction."
  ]
}