Ground-based instruments of the PWING project to investigate dynamics of the inner magnetosphere at subauroral latitudes as a part of the ERG-ground coordinated observation network

Earth, Planets and Space

Table 1 Geographic and geomagnetic coordinates of the PWING stations, instruments with their start dates in year/month/day (yymmdd), and local collaborators

Station	Country	Abbreviation	Geographic latitude (N)	Geographic longitude (E)	MLAT (N)	MLON (E)	L value	UT of zero MLT
Nyrölä	Finland	NYR	62.34	25.51	59.0	103.2	3.8	21.4 UT
Istok	Russia	IST	70.03	88.01	65.9	162.6	6.0	18.0 UT
Zhigansk	Russia	ZGN	66.78	123.37	61.9	195.7	4.5	16.2 UT
Maimaga	Russia	MAM	63.06	129.56	58.0	202.0	3.6	15.8 UT
Gakona	USA	GAK	62.39	214.78	63.2	271.0	4.9	10.7 UT
Athabasca	Canada	ATH	54.60	246.36	61.5	308.3	4.4	8.1 UT
Kapuskasing	Canada	KAP	49.39	277.81	59.0	353.4	3.8	5.5 UT
Nain	Canada	NAI	56.50	298.30	63.4	22.4	5.0	3.7 UT
Husafell	Iceland	HUS	64.67	338.97	64.9	66.5	5.6	0.3 UT
Kevo	Finland	KEV	69.76	27.01	66.7	108.4	6.4	21.1 UT

Station	Country	Abbreviation	All-sky imager	Induction magnetometer	Riometer	Loop antenna	EMCCD camera	Collaborator
Nyrölä	Finland	NYR	PWING (C18 (CI)) 170124-	SGO (NUR) preexisting	SGO (JYV) preexisting	SGO (KAN) preexisting		FMI
Istok	Russia	IST	PWING (C20 (CK)) 171029-	ISTP (LEMI-30) preexisting	PWING (RIO03) 171029-	PWING (VLF05) 171029-		ISTP
Zhigansk	Russia	ZGN	PWING (C14(CE)) TBD	PWING 160914-	PWING (RIO06) 170927-			IKFIA
Maimaga	Russia	MAM				PWING (VLF03) 170418-		IKFIA
Gakona	USA	GAK	PWING (C19 (CJ)) 170303-	PWING (amp002) 170303-	PWING (RIO04) 170109-	PWING (VLF06) 170929-	PWING 170303-	GI-UAF, Univ. Florida
Athabasca	Canada	ATH	PWING (C7) 050903-	PWING 050907-	PWING (RIO01) 161025-	PWING (VLF01) 120219-	PWING 120924-	Athabasca Univ.
Kapuskasing	Canada	KAP	PWING (C16 (CG)) 170225-	PWING (amp001) 161214-	PWING (RIO02) 170224-	PWING (VLF02) 161212-		Virginia Tech.
Nain	Canada	NAI	PWING (C17 (CH)) TBD	PWING (amp003) TBD	PWING TBD	PWING (VLF04) TBD		Augsburg College
Husafell	Iceland	HUS	PWING (C21 (CL)) 170321-	NIPR preexisting	NIPR (RIO05) preexisting	NIPR preexisting		NIPR, Univ. Iceland
Kevo	Finland	KEV					PWING 170127-	FMI

FMI Finnish Meteorological Institute, ISTP Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences, Russian Federation, IKFIA Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch of the Russian Academy of Sciences, Russian Federation, GI-UAF Geophysical Institute, University of Alaska Fairbanks, NIPR National Institute of Polar Research, Japan, SGO Sodankylä Geophysical Observatory, NUR Nurmijärvi, JYV Jyväskylä, KAN Kannuslehto, TBD to be determined, magnetic latitudes (MLAT), magnetic longitudes (MLON), L value, and UT at zero MLT are calculated by the Corrected Geomagnetic Coordinates (CGM) by https://omniweb.gsfc.nasa.gov/vitmo/cgm_vitmo.html at an altitude of 100 km