{
  "kind": "acquisition_context",
  "schemaVersion": "0.1.0",
  "id": "meridian-signals-acquisition-v1",
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      "id": "pressure",
      "identity": {
        "state": "known",
        "manufacturer": "DisclosureOS synthetic example",
        "model": "Infrasonic microphone"
      }
    },
    {
      "id": "magnetic",
      "identity": {
        "state": "known",
        "manufacturer": "DisclosureOS synthetic example",
        "model": "Fluxgate magnetometer"
      }
    },
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      "id": "radar",
      "identity": {
        "state": "known",
        "manufacturer": "DisclosureOS synthetic example",
        "model": "Passive radar map model"
      }
    },
    {
      "id": "iq",
      "identity": {
        "state": "known",
        "manufacturer": "DisclosureOS synthetic example",
        "model": "Independent baseband reference"
      }
    }
  ],
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      "instrumentRef": "instrument:pressure",
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      },
      "configuration": {
        "hardware": {
          "state": "known",
          "value": "No physical hardware"
        },
        "firmware": {
          "state": "known",
          "value": "signals-v1/sources.mjs"
        }
      },
      "channels": [
        {
          "id": "pressure",
          "quantity": "acoustic_pressure",
          "unit": "Pa",
          "sampling": {
            "state": "known",
            "rateHz": 100
          }
        }
      ]
    },
    {
      "id": "magnetic",
      "instrumentRef": "instrument:magnetic",
      "version": "signals-v1",
      "publishedAt": "2026-08-14T21:04:00.000Z",
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      },
      "configuration": {
        "hardware": {
          "state": "known",
          "value": "No physical hardware"
        },
        "firmware": {
          "state": "known",
          "value": "signals-v1/sources.mjs"
        }
      },
      "channels": [
        {
          "id": "east",
          "quantity": "magnetic_flux_density",
          "unit": "uT",
          "sampling": {
            "state": "known",
            "rateHz": 1
          }
        },
        {
          "id": "north",
          "quantity": "magnetic_flux_density",
          "unit": "uT",
          "sampling": {
            "state": "known",
            "rateHz": 1
          }
        },
        {
          "id": "up",
          "quantity": "magnetic_flux_density",
          "unit": "uT",
          "sampling": {
            "state": "known",
            "rateHz": 1
          }
        }
      ]
    },
    {
      "id": "radar",
      "instrumentRef": "instrument:radar",
      "version": "signals-v1",
      "publishedAt": "2026-08-14T21:04:00.000Z",
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        "hardware": {
          "state": "known",
          "value": "No physical hardware"
        },
        "firmware": {
          "state": "known",
          "value": "signals-v1/sources.mjs"
        }
      },
      "channels": [
        {
          "id": "map",
          "quantity": "synthetic_signal_to_noise_ratio",
          "unit": "dB",
          "sampling": {
            "state": "known",
            "rateHz": 0.5
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        }
      ]
    },
    {
      "id": "iq",
      "instrumentRef": "instrument:iq",
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        "hardware": {
          "state": "known",
          "value": "No physical hardware"
        },
        "firmware": {
          "state": "known",
          "value": "signals-v1/sources.mjs"
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      },
      "channels": [
        {
          "id": "I",
          "quantity": "normalized_amplitude",
          "unit": "1",
          "sampling": {
            "state": "known",
            "rateHz": 2000000
          }
        },
        {
          "id": "Q",
          "quantity": "normalized_amplitude",
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          "sampling": {
            "state": "known",
            "rateHz": 2000000
          }
        }
      ]
    }
  ],
  "deployments": [],
  "calibrations": [],
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        "ref": "manifest:pressure"
      },
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        "state": "known",
        "kind": "interval",
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        "end": "2026-08-14T21:04:00.000Z",
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      "clock": {
        "source": {
          "state": "known",
          "value": "Authored UTC"
        },
        "synchronization": {
          "state": "known",
          "value": "Shared authored UTC; no measured synchronization"
        },
        "resolution": {
          "state": "unknown",
          "reason": "No physical resolution characterized"
        },
        "uncertainty": {
          "state": "unknown",
          "reason": "No physical uncertainty characterized"
        }
      },
      "channels": [
        {
          "channelId": "pressure",
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        }
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    },
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        "ref": "manifest:magnetic"
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          "value": "Authored UTC"
        },
        "synchronization": {
          "state": "known",
          "value": "Shared authored UTC; no measured synchronization"
        },
        "resolution": {
          "state": "unknown",
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        },
        "uncertainty": {
          "state": "unknown",
          "reason": "No physical uncertainty characterized"
        }
      },
      "channels": [
        {
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          "calibration": {
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            "reason": "No physical calibration performed"
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        },
        {
          "channelId": "north",
          "calibration": {
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            "reason": "No physical calibration performed"
          }
        },
        {
          "channelId": "up",
          "calibration": {
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            "reason": "No physical calibration performed"
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        }
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    },
    {
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        "state": "pinned",
        "ref": "manifest:radar"
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      },
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          "value": "Authored UTC"
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        },
        "resolution": {
          "state": "unknown",
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        },
        "uncertainty": {
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          "reason": "No physical uncertainty characterized"
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      },
      "channels": [
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          "channelId": "map",
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        "ref": "manifest:iq"
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        "reason": "Independent relative clock; no UTC alignment"
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      "clock": {
        "source": {
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          "value": "Independent relative clock"
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        "synchronization": {
          "state": "unknown",
          "reason": "No field alignment"
        },
        "resolution": {
          "state": "unknown",
          "reason": "No physical resolution characterized"
        },
        "uncertainty": {
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          "reason": "No physical uncertainty characterized"
        }
      },
      "channels": [
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            "reason": "No physical calibration performed"
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        },
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          "channelId": "Q",
          "calibration": {
            "state": "unresolved",
            "reason": "No physical calibration performed"
          }
        }
      ]
    }
  ],
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      "kind": "raw",
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