On MWlist.org, RTL 234 kHz is currently listed with a power of 750 or
375 kW. Until recently, the power was 1500 kW on weekdays and 1000 kW at night and on weekends.
Source : http://www.mwlist.org/mwlist_quick_and_easy.php?area=1&kHz=234
PA3FWM has updated his website with new measurements:
https://pa3fwm.nl/signals/rtl234kHz-power
Vincent (2020-10-09)