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            2   "creator_user_id": "770631d3-fc59-4c0b-a34e-8ec37ebe30ec", 2   "creator_user_id": "770631d3-fc59-4c0b-a34e-8ec37ebe30ec",
            3   "data_type": "ngi", 3   "data_type": "ngi",
            n 4   "dataset_end_date": "2200-01-01", n 4   "dataset_end_date": "2020-05-15",
            5   "dataset_start_date": "1900-01-01", 5   "dataset_start_date": "2020-05-15",
            6   "groups": [], 6   "groups": [],
            7   "id": "df3fb819-a190-4ae6-9825-598f36db93af", 7   "id": "df3fb819-a190-4ae6-9825-598f36db93af",
            8   "isopen": false, 8   "isopen": false,
            9   "license_title": null, 9   "license_title": null,
            10   "metadata_created": "2025-07-09T06:10:44.138830", 10   "metadata_created": "2025-07-09T06:10:44.138830",
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            12   "name": "2020_may_ngi_tucu", 12   "name": "2020_may_ngi_tucu",
            13   "notes": "Data of Ionosonde - NGI DATA", 13   "notes": "Data of Ionosonde - NGI DATA",
            n 14   "num_resources": 0, n 14   "num_resources": 40,
            15   "num_tags": 0, 15   "num_tags": 0,
            16   "organization": { 16   "organization": {
            17     "approval_status": "approved", 17     "approval_status": "approved",
            18     "created": "2024-06-07T21:05:19.808275", 18     "created": "2024-06-07T21:05:19.808275",
            19     "description": "The ionosondes provide virtual height information  19     "description": "The ionosondes provide virtual height information 
            20 and density profile estimates from the bottomside ionosphere (also by  20 and density profile estimates from the bottomside ionosphere (also by 
            21 bistatic soundings) with a cadence as small as 1 min, and follow the  21 bistatic soundings) with a cadence as small as 1 min, and follow the 
            22 twilight and nighttime E-region to sounding frequencies of less than  22 twilight and nighttime E-region to sounding frequencies of less than 
            23 0.5 MHz when implemented with suitable antennas. They also provide  23 0.5 MHz when implemented with suitable antennas. They also provide 
            24 information about drifts, ionospheric tilts, and the \u201crms\u201d  24 information about drifts, ionospheric tilts, and the \u201crms\u201d 
            25 amplitude and spectral index of density fluctuations by a phase  25 amplitude and spectral index of density fluctuations by a phase 
            26 structure function method. Five ionosondes with co-located flux-gate  26 structure function method. Five ionosondes with co-located flux-gate 
            27 magnetometers will be placed equidistantly and nearly aligned with the  27 magnetometers will be placed equidistantly and nearly aligned with the 
            28 magnetic flux tube intersecting the magnetic equator at 70\u00b0 W. In  28 magnetic flux tube intersecting the magnetic equator at 70\u00b0 W. In 
            29 our plan, one ionosonde will be installed at Tabatinga, Brazil located  29 our plan, one ionosonde will be installed at Tabatinga, Brazil located 
            30 near Leticia, Colombia and another near Antofagasta, Chile, to observe  30 near Leticia, Colombia and another near Antofagasta, Chile, to observe 
            31 the E- and F-region densities. Field lines intersecting 100 km  31 the E- and F-region densities. Field lines intersecting 100 km 
            32 altitude over these two stations map to the equator at 250 and 260 km  32 altitude over these two stations map to the equator at 250 and 260 km 
            33 respectively. A third ionosonde will be placed very close to the  33 respectively. A third ionosonde will be placed very close to the 
            34 magnetic equator in Puerto Maldonado. Two more ionosonde will be  34 magnetic equator in Puerto Maldonado. Two more ionosonde will be 
            35 located at 19-20\u00b0 away from the magnetic equator, near the crest  35 located at 19-20\u00b0 away from the magnetic equator, near the crest 
            36 caused by the equatorial \u2018fountain\u2019. Data from all 5  36 caused by the equatorial \u2018fountain\u2019. Data from all 5 
            37 ionosonde, magnetic fields from the co-located magnetometers, TEC  37 ionosonde, magnetic fields from the co-located magnetometers, TEC 
            38 values from the nearby GPS receivers, and the Kalman filter-based  38 values from the nearby GPS receivers, and the Kalman filter-based 
            39 assimilation will provide several geophysical parameters (winds,  39 assimilation will provide several geophysical parameters (winds, 
            40 electric fields and densities) from the E and F regions, and will also  40 electric fields and densities) from the E and F regions, and will also 
            41 fill in the regions between the sites. This will be the first time  41 fill in the regions between the sites. This will be the first time 
            42 that a numerical model of the equatorial ionosphere can be fully  42 that a numerical model of the equatorial ionosphere can be fully 
            43 constrained by data collected on both sides of the magnetic equator  43 constrained by data collected on both sides of the magnetic equator 
            44 and for a range of altitudes that includes the E region", 44 and for a range of altitudes that includes the E region",
            45     "id": "6d5f18bf-4b25-4e58-bfcc-8b011418f417", 45     "id": "6d5f18bf-4b25-4e58-bfcc-8b011418f417",
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            49     "name": "ionosonde", 49     "name": "ionosonde",
            50     "state": "active", 50     "state": "active",
            51     "title": "IONOSONDE", 51     "title": "IONOSONDE",
            52     "type": "project" 52     "type": "project"
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