It would be very helpful if the RADALT kept calling out height every second and in steps of 10,9,8,7,6,5,4,3,2,1 feet so that one could very accurately assess the rate of closure of the tyres to the runway.
It's very good that you flew a B146; I assume that it did not have Rad Alt call outs. Thus you learnt to use Mk.1 eyeball as was the case before B757/767 and later types. That's the way it should always be as the system may be broken. I once flew B767 with the rad alt call outs u/s. I, as humble bag carrying F/O, forgot to make the callouts and the captain 'arrived'. My ears were ringing for a few moments as irritation vented. Personally, I believe it is another event where too much reliance has been put on yet another techno-toy.