The very basic answer to why7 not look at how many hams do not get their
licenses due to accessibility issues is because there is simply no way to know.
For that matter, how many sighted folks miss out on being licensed because they
never learned to read?
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html