EPB Alert’s data portal webpage is a user-friendly portal that allows users to browse, display and download SEALION and ASEAN-IVO projects. Table 1 shows the station, data type and data availability for both projects.

Project	Remarks
	Station	Data (parameters)	Data availability
SEALION	Bac Lieu (Vietnam)	Ionosonde (h’Es, foEs, h’F, foF2)	2004-present
		GNSS-septentrio (GTEX, S4)	2019-present
	Cebu (Philippines)	Ionosonde (h’Es, foEs, h’F, foF2)	2004-present
	Chiang Mai (Thailand)	Ionosonde (h’Es, foEs, h’F, foF2)	2004-present
		GNSS-javad (GTEX, S4)	In preparation (release plan: 2025)
	Chumphon (Thailand)	Ionosonde (h’Es, foEs, h’F, foF2)	2004-present
		GNSS-septentrio (GTEX, S4)	2019-present
		VHF radar (E-F region RTI plots)	2020-present
	Kototabang (Indonesia)	Ionosonde (h’Es, foEs, h’F, foF2)	2024-2021
ASEAN-IVO	Viantianne (Laos)	GNSS (GTEX)	2022
	Phonm Penh (Cambodia)	GNSS (GTEX)	2022-2003

How to display and download data:

1. Choose station and data type by clicking on the icon on the map (a) or select station (b) and select data type (c) dropdown menu.

2. Choose parameters from the select parameters dropdown menu (d).

3. Choose the period and start date of the desired data from the select period and start date dropdown menu (e).

4. Click search button (f) and the plot of the desired data will be displayed in the Result section (g).

5. Insert the password and click show ASCII (h) to display the numerical data.

6. Click download button (i) to download the ASCII data.