Numbers Station "V28" schedule
 
 (New schedule since May/05/2018):

 -------------------------------------
 Jan    2100-2110, 0900-0910
 Feb    2100-2110, 0900-0910
 Mar    2100-2110, 0900-0910
------------------------------
 Apr    2200-2210, 1000-1010
 May    2200-2210, 1000-1010
 Jun    2200-2210, 1000-1010
 -----------------------------
 Jul    2100-2110, 1200-1210
 Aug    2100-2110, 1200-1210
 Sep    2100-2110, 1200-1210
 ------------------------------
 Oct    2200-2210, 1300-1310
 Nov    2200-2210, 1300-1310
 Dec    2200-2210, 1300-1310
 -------------------------------------

NightTime (0900-1400) : around 2900-3700 kHz
(2019/Jan/01 : 2930kHz, 2999kHz, 3050kHz, 3518kHz) MorningTime(2000-2300) : around 4200-5700 kHz
(2019/Jan/01 : 4944kHz, 4625kHz, 4980kHz, 5155kHz)
There was a possibility that it could be received irregularly at another time / frequency.