The implementation of dvb-t2 is different from the transmission in the past.
Last time there is only one big transmitter at bukit batok, therefore high floor better chance to receive.
Now MDA planted many small transmitters everywhere, especially in hdb estates, if your house is near these transmitters, even ground floor also can receive very well indoor.
Not true. Even some road show of DBVT2 also mention it depend on area. There may be blind spot around. My place at East. No way to get signal unless antenna is at or near windows. The signal does not go thru wall very well.