DATA COLLECTION INFO

NAME:

DOI (DIGITAL OBJECT IDENTIFIER):

Electronic Space Weather upper atmosphere database (eSWua) - GNSS scintillation data, version 1.0

https://doi.org/10.13127/eswua/gnss

BIBLIOGRAPHIC CITATION:

COMPLETE METADATA:

Upper atmosphere physics and radiopropagation Working Group; Cesaroni, C.; De Franceschi, G.; Marcocci, C.; Pica, E.; Romano, V.; Spogli, L. Electronic Space Weather Upper Atmosphere Database (eSWua) - GNSS Scintillation Data, Version 1.0. Istituto Nazionale di Geofisica e Vulcanologia (INGV) August 1, 2020. https://doi.org/10.13127/ESWUA/GNSS.

Please note that the collection consists of data and instruments which could be property of the INGV as well as of other Institutions which share and distribute their data through the eSWua system; in the latter case we kindly ask you to also acknowledge the Institution owner of the data. The list of the instruments and related owning Institutions is available here

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DATA COLLECTION DESCRIPTION:

The eSWua (electronic Space Weather upper atmosphere) database contains the near-real time and historical data originated from the instruments of the INGV Ionospheric Monitoring Network, and all the related scientific products developed by the "Upper atmosphere physics and radiopropagation" INGV group. This collection includes the data acquired by the GNSS receivers for TEC and scintillation monitoring; these particular instruments allow to monitor transient effects such as ionospheric scintillations by sampling the signals of the GNSS constellations in both amplitude and phase, with a frequency of at least 50Hz. The INGV scintillation network has been active since 2003 when the first instrument was installed in Svalbard (Norway). Currently, several permanent observatories placed at different latitudes, from the polar to the equatorial regions, belong to the network. The raw data, produced 24/7, are remotely processed by dedicated software and managed in near-real time by the eSWua system at the INGV headquarter. This collection makes available to the users the level-I data and products (amplitude scintillation index, phase scintillation index, Total Electron Content, scintillation maps, etc.), harmonized among the different receivers and distributed in an open format.

AUTHORS AND CONTRIBUTORS:

NAME:

ROLE:

ID:

Claudio Cesaroni Author, Researcher orcid
Giorgiana De Franceschi Author, ProjectLeader orcid
Carlo Marcocci Author, DataManager orcid
Emanuele Pica Author, DataManager orcid
Vincenzo Romano Author, Producer orcid
Luca Spogli Author, Researcher orcid
Lucilla Alfonsi Contributor, Researcher orcid
Ingrid Hunstad Contributor, ProjectMember orcid
Andrea Malagnini Contributor, DataCurator orcid
Silvia Pau Contributor, ProjectMember orcid
Alberto Salvati Contributor, ProjectMember orcid
Riccardo Vagni Contributor, ProjectMember orcid
Simone Vecchi Contributor, ProjectMember orcid
Enrico Zuccheretti Contributor, ProjectMember orcid
Istituto Nazionale di Geofisica e Vulcanologia (INGV) Contributor, RightsHolder orcid

CONTACT:

eswua@ingv.it





DATA ACCESS AND POLICY

DATA LICENSE:
These data are owned by the Istituto Nazionale di Geofisica e Vulcanologia (INGV) and distributed under a Creative Commons Attribution 4.0 International (CC BY 4.0).
YOU ARE FREE TO:

Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
 YOU MUST:

Give appropriate credit by using the provided citation.


DISCLAIMER:

Any risk due to improper use of these data falls under the responsibility of the individual user. In no case and way INGV will be responsible for direct, indirect, voluntary or accidental damages, including lost profits, deriving from the use of the data even if INGV was advised of this possibility.

DATA ACCESS:

Open the "Download tool" page to retrieve the data with the guided procedure

Open the eSWua Web-service guide for adavanced data access

Map of the station and historical data availability






DATA SPECIFICATION

SCINTILLATION STATION DATA
A B C D E F
1
 STATION CODE INSTRUMENT AVAILABLE DATA UPDATE RATE WEB SERVICE ENDPOINT EXAMPLE
2
 btn0s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsbtn0s?size=1&order=dt,desc
3
 dmc0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc0p?size=1&order=dt,desc
3
 dmc1p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc1p?size=1&order=dt,desc
3
 dmc2p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc2p?size=1&order=dt,desc
4
 dmc0s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc0s?size=1&order=dt,desc
5
 dmc1s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc1s?size=1&order=dt,desc
6
 dmc2s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdmc2s?size=1&order=dt,desc
7
 han0p Septentrio PolaRxS LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wshan0p?size=1&order=dt,desc
8
 kil0n Novatel GPStation-6 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wskil0n?size=1&order=dt,desc
9
 lam0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wslam0p?size=1&order=dt,desc
10
 lam0s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wslam0s?size=1&order=dt,desc
11
 lyb0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wslyb0p?size=1&order=dt,desc
12
 lyb0s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wslyb0s?size=1&order=dt,desc
13
 mzs0p Septentrio PolaRxS LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsmzs0p?size=1&order=dt,desc
14
 nic0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnic0p?size=1&order=dt,desc
15
 nya0s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnya0s?size=1&order=dt,desc
16
 nya0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnya0p?size=1&order=dt,desc
17
 nya1p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnya1p?size=1&order=dt,desc
18
 nya1s Novatel GSV4004 LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnya1s?size=1&order=dt,desc
19
 san0p Septentrio PolaRxS LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wssan0p?size=1&order=dt,desc
20
 sao0p Septentrio PolaRxS LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wssao0p?size=1&order=dt,desc
21
 thu0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsthu0p?size=1&order=dt,desc
22
 ush0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsush0p?size=1&order=dt,desc
23
 tuc0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wstuc0p?size=1&order=dt,desc
24
 hel0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wshel0p?size=1&order=dt,desc
24
 klu0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsklu0p?size=1&order=dt,desc
24
 mal0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsmal0p?size=1&order=dt,desc
24
 sab0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wssab0p?size=1&order=dt,desc
24
 seu0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsseu0p?size=1&order=dt,desc
24
 cha0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wscha0p?size=1&order=dt,desc
24
 abu0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsabu0p?size=1&order=dt,desc
24
 sod0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wssod0p?size=1&order=dt,desc
24
 cat0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wscat0p?size=1&order=dt,desc
24
 ken0p Septentrio PolaRxS LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsken0p?size=1&order=dt,desc
24
 nai0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsnai0p?size=1&order=dt,desc
24
 suo0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wssuo0p?size=1&order=dt,desc
24
 dha0p Septentrio PolaRx5S LEVEL-I Time-resolution: 1 min - Data update every 15 min http://ws-eswua.rm.ingv.it/scintillation.php/records/wsdha0p?size=1&order=dt,desc

DATA GLOSSARY
A B C D E
1
 FIELD NAME DESCRIPTION MEASUREMENT UNIT RELATED TO INSTRUMENTS ELABORATION LEVEL
2
 2ndlocktime Lock time on the second frequency used for the TEC computation seconds Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 LEVEL-I
3
 averagel1 Average Sig1 C/N0 over the last minute dB-Hz Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
4
 avg_c_n0_l2c Average Sig2 C/N0 over the last minute dB-Hz Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
5
 avg_c_n0_l5 Average Sig3 C/N0 over the last minute dB-Hz Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
6
 avgccd_l2c AvgCCD on Sig2, average of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
7
 avgccd_l5 AvgCCD on Sig3, average of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
8
 avgccdl1 AvgCCD on Sig1, average of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
9
 avgcn2freqtec Averaged C/N0 of second frequency used for the TEC computation dB-Hz Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 LEVEL-I
10
 azimuth Azimuth of the SV degrees Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
11
 chanstatus Channel status - NovAtel GSV4004 LEVEL-I
12
 correctionS4_L2C Correction to total S4 on Sig2 (thermal noise component only) - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
13
 corrections4_l5 Correction to total S4 on Sig3 (thermal noise component only) - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
14
 corrections4l1 Correction to total S4 on Sig1 (thermal noise component only) - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
15
 dt measurement time UTC timestamp Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 -
16
 dtec0 dTEC from TOW - 15s to TOW TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
17
 dtec0_2c dTEC from TOW - 15s to TOW TECu NovAtel GPStation-6 LEVEL-I
18
 dtec30_15 dTEC from TOW - 30s to TOW - 15s TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
19
 dtec30_15_2c dTEC from TOW - 30s to TOW - 15s TECu NovAtel GPStation-6 LEVEL-I
20
 dtec45_30 dTEC from TOW - 45s to TOW - 30s TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
21
 dtec45_30_2c dTEC from TOW - 45s to TOW - 30s TECu NovAtel GPStation-6 LEVEL-I
22
 dtec60_45 dTEC from TOW - 60s to TOW - 45s TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
23
 dtec60_45_2c dTEC from TOW - 60s to TOW - 45s TECu NovAtel GPStation-6 LEVEL-I
24
 elevation Elevation of the SV degrees Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
25
 ipp_lat Latitude of the Ionospheric Pierce Point at 350 km degrees Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from azimuth and elevation)
26
 ipp_lon Longitude of the Ionospheric Pierce Point at 350 km degrees Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from azimuth and elevation
27
 locktime_l2c Sig2 lock time seconds Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
28
 locktime_l5 Sig3 lock time seconds Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
29
 locktimel1 Sig1 lock time seconds Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
30
 p_l2c p on Sig2, phase spectral slope in the 0.1 to 25Hz range - Septentrio PolaRx5S/PolaRxS LEVEL-I
31
 p_l5 p on Sig3, phase spectral slope in the 0.1 to 25Hz range - Septentrio PolaRx5S/PolaRxS LEVEL-I
32
 phi01_l2c Phi01 on Sig2, 1-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
33
 phi01_l5 Phi01 on Sig3, 1-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
34
 phi01l1 Phi01 on Sig1, 1-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
35
 phi03_l2c Phi03 on Sig2, 3-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
36
 phi03_l5 Phi03 on Sig3, 3-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
37
 phi03l1 Phi03 on Sig1, 3-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
38
 phi10_l2c Phi10 on Sig2, 10-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
39
 phi10_l5 Phi10 on Sig3, 10-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
40
 phi10l1 Phi10 on Sig1, 10-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
41
 phi30_l2c Phi30 on Sig2, 30-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
42
 phi30_l5 Phi30 on Sig3, 30-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
43
 phi30l1 Phi30 on Sig1, 30-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
44
 phi60_l1_vert Verticalized sigmaphi index on the first frequency rads Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from phi60l1slant, elevation)
45
 phi60_l2_vert Verticalized sigmaphi index on the second frequency rads Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I (evaluated from phi60_l2c, elevation)
46
 phi60_l2c Phi60 on Sig2, 60-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
47
 phi60_l5 Phi60 on Sig3, 60-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
48
 phi60_l5_vert Verticalized sigmaphi index on the third frequency rads Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I (evaluated from phi60_l5, elevation)
49
 phi60l1slant Phi60 on Sig1, 60-second phase sigma radians Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
50
 pl1 p on Sig1, spectral slope of detrended phase in the 0.1 to 25Hz range - Septentrio PolaRx5S/PolaRxS LEVEL-I
51
 PRN Satellite constellation and number (G: GPS; R: Glonass; S: SBAS block1; E: GALILEO; C:Beidou; Q: QZSS; I: IRNSS) - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
52
 rxstate Value of the RxState field of the ReceiverStatus SBF block - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 LEVEL-I
53
 s4_l1_slant Slant s4 index on the first frequency - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from totalS4L1, correctionS4L1)
54
 s4_l1_vert Verticalized s4 index on the first frequency - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from totalS4L1, correctionS4L1, pl1, elevation)
55
 s4_l2_slant Slant s4 index on the second frequency - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I (evaluated from totalS4_L2C, correctionS4_L2C)
56
 s4_l2_vert Vertical s4 index on the second frequency - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I (evaluated from totalS4_L2C, correctionS4_L2C, p_l2c, elevation)
57
 s4_l5_slant Slant s4 index on the third frequency - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I (evaluated from totalS4_L5, correctionS4_L5)
58
 si_l1_29 SI Index on Sig1:(10*log10(Pmax)-10*log10(Pmin))/(10*log10(Pmax)+10*log10(Pmin)) - Septentrio PolaRx5S/PolaRxS LEVEL-I
59
 si_l1_30 SI Index on Sig1, numerator only: 10*log10(Pmax)-10*log10(Pmin) dB Septentrio PolaRx5S/PolaRxS LEVEL-I
60
 si_l2c_43 SI Index on Sig2 - Septentrio PolaRx5S/PolaRxS LEVEL-I
61
 si_l2c_44 SI Index on Sig2, numerator only: 10*log10(Pmax)-10*log10(Pmin) dB Septentrio PolaRx5S/PolaRxS LEVEL-I
62
 si_l5_57 SI Index on Sig3 - Septentrio PolaRx5S/PolaRxS LEVEL-I
63
 si_l5_58 SI Index on Sig3, numerator only: 10*log10(Pmax)-10*log10(Pmin) dB Septentrio PolaRx5S/PolaRxS LEVEL-I
64
 sigmaccd_l2c SigmaCCD on Sig2, standard deviation of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
65
 sigmaccd_l5 SigmaCCD on Sig3, standard deviation of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
66
 sigmaccdl1 SigmaCCD on Sig1, standard deviation of code/carrier divergence meters Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
67
 stec Slant Total Electron Content TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from tec0, tec15, tec30, tec45, elevation)
68
 svid SV number - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
69
 t_l1 T on Sig1, phase power spectral density at 1 Hz rad^2/Hz Septentrio PolaRx5S/PolaRxS LEVEL-I
70
 t_l2c T on Sig2, phase power spectral density at 1 Hz rad^2/Hz Septentrio PolaRx5S/PolaRxS LEVEL-I
71
 t_l5 T on Sig3, phase power spectral density at 1 Hz rad^2/Hz Septentrio PolaRx5S/PolaRxS LEVEL-I
72
 tec0 TEC at TOW TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
73
 tec0_2c TEC at TOW TECu NovAtel GPStation-6 LEVEL-I
74
 tec15 TEC at TOW - 15 seconds TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
75
 tec15_2c TEC at TOW - 15 seconds TECu NovAtel GPStation-6 LEVEL-I
76
 tec30 TEC at TOW - 30 seconds TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
77
 tec30_2c TEC at TOW - 30 seconds TECu NovAtel GPStation-6 LEVEL-I
78
 tec45 TEC at TOW - 45 seconds TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
79
 tec45_2c TEC at TOW - 45 seconds TECu NovAtel GPStation-6 LEVEL-I
80
 totals4_l2c Total S4 on Sig2 - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
81
 totals4_l5 Total S4 on Sig3 - Septentrio PolaRx5S/PolaRxS NovAtel GPStation-6 LEVEL-I
82
 totals4l1 Total S4 on Sig1 - Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I
83
 vtec Vertical Total Electron Content TECu Septentrio PolaRx5S/PolaRxS NovAtel GSV4004 NovAtel GPStation-6 LEVEL-I (evaluated from tec0, tec15, tec30, tec45, elevation)

DATA DISTRIBUTION FORMAT:

The data on the eSWua website are distributed in JSON format.
In a nutshell, a JSON is written as key/value pairs. A key/value pair consists of a field name (the key, representing a property or a parameter), followed by a colon, followed by its value. A JSON file is easy to read (human readable) and simple to manage and consume by most of the common scientific programming languages (machine readable). Further information on JSON format may be found here.


Example of JSON file containing parameters for scintillation data from a specific GNSS satellite:

{
"dt": "2021-01-13 07:00:00",
"azimuth": 5.24,
"elevation": 16.63,
"totals4l1": 0.179,
"ipp_lat": -66.62256719198864,
"ipp_lon": 165.346162597299,
"PRN": "E26"
}