Yes.
This question is difficult to answer as the AHL is the main development league for the NHL. While some gifted players come right out of junior, college or Europe and step right into the NHL, the vast majority of NHL players have played in the AHL at some point for varying amounts of time until they have developed their skills. There is, obviously, no rule about how many players can come from the minor league. NHL teams recall their players as they see a need.
Currently the AHL consists of 30 teams.
If you mean a capital A on the front of a players Jersey it stands for Alternate Captain
Roughly 4-7% go straight to the NHL
After they complete one full NHL season.
you can't wear number 99 it only goes up to 98
Teams can have about 25 players at one time though many keep 40+ players for injuries and such.
If the games are broadcast on a radio station that has an iPad app, you can listen there.
All of the players live in Dallas
Frank Ahl was born in 1908.
Frank Ahl died in 1967.