900 kHz.

Freq.  MHz	DATE D / M / Y	TIME UTC	Mode	TYPE of SIGNAL	Callsign	Location / Name	MAP	SOUND
0,900,00	30.09,2018	04.50	AM	Morse	NE	NDB Nerl, Tver region, Russia
0,905,00	08.09,2019	00.10	AM	Morse	UD	NDB Buturlino, Nizhny Novgorod Region, Russia
0,910,00	17.09,2018	20.15	AM	Morse	KZ	Aerodrome Millerovo, Rostov Region, Russia
0,914,00	23.10,2013	12.10	AM	Morse	SX	Airport Vnukovo, Moscow Region, Russia
0,925,00	25.09,2018	19.00	AM	Morse	А	NDB of airfield "Lipetsk-2", Russia
0,932,00	11.09,2018	22.15	AM	Morse	KR	Krasnoarmeysk Airport, Saratov Region, Russia
0,949,00	08.09,2018	17.10	AM	Morse	OE	Airport Vnukovo, Moscow Region, Russia
0,960,00	24.10,2017	01.00	AM	Morse	RP	Aerodrome "Sosnovskoe", Nizhny Novgorod region, Russia
0,970,00	04.09,2018	01.05	AM	Morse	US	Airport "Elshanka", Saratov region, Russia
0,985,00	17.10,2017	01.10	AM	Morse	FK	Airport Gagarin, Smolensk region, Russia
0,995,00	24.10,2017	01.40	AM	Morse	DW	Aerodrome "Nikolsky", Ulyanovsk region, Russia