"retracker" meaning in English

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      "form": "retrackers",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
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          "ref": "2015, Jeffrey T. Freymueller, Laura Sánchez, International Symposium on Earth and Environmental Sciences for Future Generations: Proceedings of the IAG General Assembly, Prague, Czech Republic, June 22-July 2, 2015, page 352:",
          "text": "These retracking functions cover a much wider range of possible waveform shapes than the Brown model. A few studies concluded that the ICE1 retracker performs with sufficient accuracy over inland waters […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "An algorithm for retracking."
      ],
      "id": "en-retracker-en-noun-dlXGrrb-",
      "links": [
        [
          "algorithm",
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        ],
        [
          "retrack",
          "retrack"
        ]
      ]
    }
  ],
  "word": "retracker"
}

{
  "forms": [
    {
      "form": "retrackers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "retracker (plural retrackers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "ref": "2015, Jeffrey T. Freymueller, Laura Sánchez, International Symposium on Earth and Environmental Sciences for Future Generations: Proceedings of the IAG General Assembly, Prague, Czech Republic, June 22-July 2, 2015, page 352:",
          "text": "These retracking functions cover a much wider range of possible waveform shapes than the Brown model. A few studies concluded that the ICE1 retracker performs with sufficient accuracy over inland waters […]",
          "type": "quote"
        }
      ],
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        "An algorithm for retracking."
      ],
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        [
          "retrack",
          "retrack"
        ]
      ]
    }
  ],
  "word": "retracker"
}