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Events

Selected publications

  • A. Terziyski, S. Tenev, V. Jeliazkov, A Multisensor Environmental Monitoring Device, 2020 21st International Symposium on Electrical Apparatus & Technologies (SIELA), Bourgas, Bulgaria, 2020, pp. 1-3, doi: 10.1109/SIELA49118.2020.9167052 [download]
  • A. Terziyski, S. Tenev, V. Jeliazkov, Radon Concentration Gauge, 2020 21st International Symposium on Electrical Apparatus & Technologies (SIELA), Bourgas, Bulgaria, 2020, pp. 1-3, doi: 10.1109/SIELA49118.2020.9167075 [download]
  • A. Terziyski, S. Tenev, V. Jeliazkov, N. Jeliazkova, N. Kochev, METER.AC: Live Open Access Atmospheric Monitoring Data for Bulgaria with High Spatiotemporal Resolution. Data 2020, 5, 36 [download]
  • A. Terziyski, S. Tenev, V. Jeliazkov, N. Kochev, G. Dimitrov, N. Jeliazkova, L. Iliev, Ch. Angelov, I. Kalapov, T. Arsov, Balloon-borne measurements in the upper troposphere and lower stratosphere above Bulgaria (N41-43° E24-26°), Bulgarian Chemical Communications, Volume 51, Pages 153-157, 2019 [download]
  • Movie: А Theory of Time, 2020
  • Movie: The Balloon of Dreams, 2018 [download]

Presentations

  • A. Terziyski, N. Kochev, S. Tenev; Atmospheric air monitoring: From data to interpretation and analysis; New Bulgarian University; 03.02.2021 (in Bulgarian)[download]
  • Terziyski, A.; Open monitoring network; New Bulgarian University; 27.04.2020 (in Bulgarian) [download]
  • Terziyski, A.; Open environmental monitoring network; University of Duisburg-Essen, LUAT; 15.05.2019 [download]

Metadata

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Nodes description

Duty cycle

Nr.	Start [s]	End [s]	Duty	        Notes	   
1	-9	        0	Power on	High voltage preparation	   
2	0	        30	FAN 12V	        Blow through (node box)	   
3	30	        -	WiFi	        Power ON for WiFi module	                                    
                                PM              Power ON for PM Sensor, Blow through (PM)  
4	38	        -	TPH	        Measuring T (average 16)
                                                Measuring P (average 16)
                                                Measuring H (average 4)	   
5	42	        46	PM	        Measuring PM
6       46              -                       Power OFF for PM Sensor	   
7	48	        -	Antenna	        Measuring Antenna strength (WiFi, LoRa only)	   
8	50	        -	Gamma	        Measuring Radiation Gamma (Geiger Tube)   
9	50	        -	Report	        Sending the report to Gateway
10      58              -       WiFi   	        Power OFF for WiFi module
11	58	        300	Sleep	        Idle	   
12	300 (0)	        -	End of Cycle	Go to Nr. 2

Flowchart

Meteo (datalogger) description

Duty cycle

Nr.	Start [s]	End [s]	Duty		Notes
1	-9		0	Power ON	High voltage preparation
2	0		58	Sleep		Idle
3	58		59	Meteo1		Reading Meteo1
4	59		60	Meteo2		Reading Meteo2 (meteo gauge)
5	60		-	Gamma		Measuring Radiation Gamma (Geiger Tube)
6	60		-	Report		Sending the report to Gateway
7	60 (0)		-	End		Go to Nr. 2

Flowchart

Various gauges description

Flowchart (radon gauge)