Changes
On April 2, 2025 at 4:06:38 PM UTC,
-
Changed value of field
dataset_end_date
to2025-04-02
in 2025 APRIL JICAMARCA DENSITY PROFILE -
Added resource JM91J_2025092.png to 2025 APRIL JICAMARCA DENSITY PROFILE
f | 1 | { | f | 1 | { |
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3 | "data_type": "Density Profile Image", | 3 | "data_type": "Density Profile Image", | ||
n | 4 | "dataset_end_date": "2025-04-01", | n | 4 | "dataset_end_date": "2025-04-02", |
5 | "dataset_start_date": "2025-04-01", | 5 | "dataset_start_date": "2025-04-01", | ||
6 | "groups": [], | 6 | "groups": [], | ||
7 | "id": "4bdafb71-fd38-42b0-9d37-70d3eccfa3bf", | 7 | "id": "4bdafb71-fd38-42b0-9d37-70d3eccfa3bf", | ||
8 | "isopen": false, | 8 | "isopen": false, | ||
9 | "license_title": null, | 9 | "license_title": null, | ||
10 | "metadata_created": "2025-04-02T16:06:37.429540", | 10 | "metadata_created": "2025-04-02T16:06:37.429540", | ||
n | 11 | "metadata_modified": "2025-04-02T16:06:37.971168", | n | 11 | "metadata_modified": "2025-04-02T16:06:38.669647", |
12 | "name": "2025_april_density_jica", | 12 | "name": "2025_april_density_jica", | ||
13 | "notes": "Data of Ionosonde - Density Profile", | 13 | "notes": "Data of Ionosonde - Density Profile", | ||
n | 14 | "num_resources": 1, | n | 14 | "num_resources": 2, |
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", | ||
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46 | "image_url": | 46 | "image_url": | ||
47 | "2024-06-11-201428.563392Screenshot-from-2024-06-11-15-14-08.png", | 47 | "2024-06-11-201428.563392Screenshot-from-2024-06-11-15-14-08.png", | ||
48 | "is_organization": true, | 48 | "is_organization": true, | ||
49 | "name": "ionosonde", | 49 | "name": "ionosonde", | ||
50 | "state": "active", | 50 | "state": "active", | ||
51 | "title": "IONOSONDE", | 51 | "title": "IONOSONDE", | ||
52 | "type": "project" | 52 | "type": "project" | ||
53 | }, | 53 | }, | ||
54 | "owner_org": "6d5f18bf-4b25-4e58-bfcc-8b011418f417", | 54 | "owner_org": "6d5f18bf-4b25-4e58-bfcc-8b011418f417", | ||
55 | "private": false, | 55 | "private": false, | ||
56 | "relationships_as_object": [], | 56 | "relationships_as_object": [], | ||
57 | "relationships_as_subject": [], | 57 | "relationships_as_subject": [], | ||
58 | "resources": [ | 58 | "resources": [ | ||
59 | { | 59 | { | ||
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84 | } | 110 | } | ||
85 | ], | 111 | ], | ||
86 | "state": "active", | 112 | "state": "active", | ||
87 | "tags": [], | 113 | "tags": [], | ||
88 | "title": "2025 APRIL JICAMARCA DENSITY PROFILE", | 114 | "title": "2025 APRIL JICAMARCA DENSITY PROFILE", | ||
89 | "type": "dataset", | 115 | "type": "dataset", | ||
90 | "voc_instrument_type": "Ionosonde", | 116 | "voc_instrument_type": "Ionosonde", | ||
91 | "voc_station_name": "Jicamarca" | 117 | "voc_station_name": "Jicamarca" | ||
92 | } | 118 | } |