Paul Lynch wrote:
Not really. The minimums don't change. He is suggesting a radalt
technique, one which I do not concur with. His suggestion does comply with
the regs, but adds complexity to an already complex situation (ceiling right
at decision height and actual viz right at mins, possibly lower).

"Not really" is the operative phrase. Does it or does it not modify
minimums. It can be argued both ways. And, the use of a radar
altitmeter at such a critically low height without an "RA" survey
further muddies the waters.