COVID-19 Pandemic in Thailand

Sittiporn Channumsin, Ph.D.
Researcher, GISTDA, Thailand

24/11/63

1About me
Qualification-PhD Aerospace engineering (2016) University of Glasgow, UK-Master of Science (MSc Space Technology and Planetary Exploration, AWD MSc merit)
University of Surrey, UK-Bachelor of Engineering (B.Eng in electronics engineering, Magna cum laude) KMITL, Thailand
Research- Astrodynamics Spacecraft autonomous, flight mechanics and control, space debris and asteroid
orbital dynamics and planetary exploration mission
Current responsibility- Earth Space System Frontier Research manager (GISTDA)- Chief of Astrodynamics Research Laboratory (AstroLab)- Current Project: Onboard flight software of small satellites (TOPAZ)
Development of space traffic management system (ZIRCON)
Development of space weather forecast (JASPER)- Fundamental of Astronautical engineering courses- Lecturer and academic services

Dr. Sittiporn Channumsin (Researcher , professional level)
Email: sittiporn@gistda.or.th

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Outline• Introduction and current COVID-19 situation• Centre for Covid-19 Situation Administration: CCSA
• Challenges

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Introduction

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Reduce Night Light Image (Suomi NPP)

3 December 2019Pre-lockdownMeasure

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20 April 2020
During lockdown
Measure5Current situation

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Centre for Covid-19 Situation Administration: CCSA

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Centre for Covid-19 Situation Administration: CCSA
• operation platform• support the policy makers, the Working Group on Data Integration
and Analysis for Covid-19 Situation• For operation planning, and support inspection teams, Centre for
Correction of Security Emergency, and Provincial Disease Control
Centre’s• The essential data were summarized, linked to the map and displayedon a developed dashboard for the situation administration

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8Operational Structure
Pandemic Situation
Patient

Medical Capacity/Supplies

Database
Ministry of Public Health Database

Management System (SQ/LQ) GBDi
Ministry of Digital Economy and Society

Thai Tracking Application
Ministry of Interior
Phonphai (Thai Red Cross)
Risk Group(Bangkok Metropolitan
Administration)

Other sources

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COVID-19 i-MAP- Integrated data system
for COVID-19 situation
Administration

9 users in the
Policy Level
Situation Mapping ( GISTDA )77 users inoperational
level (Provincial)

Preventive andPrecautionary measures

Ministry of Finance –Data Center
Working Group on Data
Integration for COVID-19
situation administration /Department of Disease
Control - Data Controller

User

Consumer Goods- Monitor andmanagement of thedensity of people on
the premises.
- Operationalplanning of checking
the premises

9Apps & Social Medias

Variety of data, information & numbers
from related agencies

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Samples Operation Dashboard
Overall Situation

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Samples Operation Dashboard
Medical Supplies

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Samples Operation Dashboard
Lockdown Measures

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Samples Operation Dashboard
Consumer Goods

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Challenges

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Challenges• To drive from “policy” to “action”• Cooperation and authority are essential• Completeness of data
• Data accessibility vs data privacy• From current situation to projection (social and economic impacts)

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Thank you for your attention

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(Online) AOSWA 2020 Workshop

Prof.Pornchai Supnithi
Faculty of Engineering, KMITL
Email: pornchai.su@kmitl.ac.th
Website: https://sites.google.com/view/pornchaisupnithi/
GNSS and Space Weather Information Center
http://iono-gnss.kmitl.ac.th1Outline• How is the impact on our activity with COVID19, social impact?
• Update Information on our activity• Lesson learned and step for future2

Impact on our activity with
COVID-193

Obstacles on new GNSS staions
Ionosonde
GNSS receiver
Beacon receiver
Chiangmai(CHM)
Bangkok (STFD)GNSS receiver

GNSS receiver
Yangon (Myanmar)

GNSS receiver

Vientiene(Laos)
NakhonRatchasima(NKR)

GNSS receiver

Bangkok(KMITL)GNSS receiver
Beacon receiver

Chumphon(CPN)
GNSS receiver
Beacon receiver Phuket
Magnetometer (PKT)

Ionosonde
GNSS receiver
Beacon receiver
VHF radar4

YTU station (Yangon technological university)- New station installed- ‘Second wave’è campus is closed downno electricity- No travel yet

5

NUOL station (National University of Laos)– New GNSS receiver for replacement iswaiting to be installed– No travel yet

6Disruption in International visit

Prolonged doctoral student abroad (ENRI, Japan)
8 months è 14 months• Immediate future International exchange visit still not possible
7Some activities

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Thai Space Physics & Space Weather workshop
Host: Prof David John Ruffolo (Mahidol University)
Purpose : To present and update research in space weather

2019

2020
9MOU between NICT and GISTDA (Dec 2019)

Research development plan(Priority)

Research level
Observation
Model/simulation
Application
Operation

Sun
3rd
3rd
3rd
1st

Solar wind
3rd
3rd
3rd
1stResearch area
Magnetosphere
3rd
3rd
3rd
1stGeomagnetic
2nd
2nd
1st
1stIonosphere
1st
1st
1st
1st
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Chumphon VHF Radar station
Assoc. Prof. Punyawi Jamjareegulgarn(KMITL) Chumphon campus

VHF antenna array
39.25 MHz

Official Opening: Jan. 202011

(Domestic)
Research seminar: GNSS and Ionosphere“Trends and Challenges in Precise Positioning Technology”
30th October, 2020

About 100 participants (online, offline)

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KMITL Lab visit (Open House)

13New MOUs/Collaboration• Renewed MOUs
– KMITL-ENRI (Japan)• New MOUs/Collaboration– KMITL-GISTDA (Space Weather)– ASEAN-India Collaboration“Artificial intelligence (AI) for ….”– KMITL-CAS Collaboration“Effects of ionospheric scintillation on PPP-RTKservice”
14Multi GNSS Positioning Accuracy
Table 3 RMS of positioning via multi GNSS.

Quieted day 2018

Systems

E-W (m)N-S (m)U-D (m)Number of sat

GPS

1.57290.86388.5413

6-10

Glonass

3.58412.659810.9645

4-7

Galileo

2.00290.6603

7.18704-7

Beidou1.54570.8666

7.34654-7

GPS+GLO

1.67700.93637.519510-17

GPS+GAL

1.63210.50337.599010-17

GPS+BEI

0.94060.42727.4440

10-17

GLO+GAL

1.83811.22436.5923

8-14

GLO+BEI

1.1863

1.1566

7.06728-14

GAL+BEI

1.54570.8666

7.34658-14

GPS+GLO+GAL

1.59650.61687.0866

14-24

GPS+GLO+BEI

0.91780.66277.0622

14-24

GPS+GAL+BEI

0.85450.39586.8806

14-24

GAL+GLO+BEI

1.04000.87806.3635

12-21

GNSS

0.95960.54206.719618-31

foF2 map, MUF map
Critical frequency
at F2 layer (foF2)

Maximum usable frequency
MUF map (2-30 MHz)16

1-D, 2-D TEC/ROTI Map
Daily TEC/ROTI Plots

2-D ROTI Map

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Scintillation statistics
TEC / ROTI Plots

S4 index# days with scintillation (2019) = 47 days
Prof. Pornchai Supnithi (KMITL), Research Seminar on GNSS and Ionosphere, 202018

Low-cost RTK performances (disturbed time)
Experimental Design: Hardware

KMIT6

User

GPS 704 WB

TW3740

KMIT6

CSS1

STFD
UBX M8T

Novatel 6RTCM 2
RTCM 2

RTCM 2rnx2rtkp

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Low-cost RTK Performance (disturbed time)

DOY78,
2020

12:00:00 – 18:00:00 UTC

Positioning: Baseline 8 km.

Positioning: Baseline 22 m.

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Effects of EPB on SBAS
SBAS-I – L1
(Global Navigation Satellite
System: GNSS)DFMC SBAS - L1, L5
SBAS
Satellite

Quiet days

Position coordinates

GNSS
Satellites

Pseudoran
ge&Ephemeris
Reference
StationCorrections&Augmentati
ons
MasterStation/
UplinkSBAS-equippedStation
GNSS Receivers

Mar 1st to 5th, 2019

Disturbed days
Mar 14th, 18th, 21st, 25th, and 28th, 2019

After sunset

NovAtel GPS704-WB

KMITL

NovAtel ProPak621

Thank you22

Backup23

Future collaboration• Disturbance prediction using AI• Real-time TEC map• New Klobuchar model for Multi-GNSS• Effects of scintillation on SBAS-II• Effects of scintillation on PPP-RTK

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GNSS and Space Weather Information Center
Website: http://iono-gnss.kmitl.ac.th25

VHF radar and Scintillation on L1, L5 signals
KTTB_L1 2019-03-18 15:50:00

KTTB_L5 2019-03-18 15:50:00*Galileo: SV number= SV number + 70

Galileo04 (L1)

Galileo04 (L5)26

SPP on disturbed day
13 Oct 2020
KMIT station

Sunset-time27

Scintillation on L1, L5 signals
EAR observed EPB

Geographic latitude [o ]NEARGeographic longitude [o]S4 index

KMIT 2019/03/18 on L5

S4 index

KMIT 2019/03/18 on L10GPST

240GPST24