Normally they are between 40-50 chars. I have gone weeks without hearing a skyking transmission. Last fall when things were heating up with NK, I remember hearing large skyking transmissions. It is not normal for the 100+ char skykings. Also note how many times he says skyking. There is reason to believe that 3 or 4 times (skyking skyking skyking skyking do not answer) suggests not a drill.
Also on the same freq, i have noticed russian chatter in the last couple weeks. And another strange thing was an actual dialogue between two entities followed by an airforce operator standing by for a copy on status, which I've never heard on 8992 khz before.