Channel 13 allocation for Boston?

[Maureen Carney]

I was looking at a copy of Broadcasting magazine from 6/5/1956 that had a story about WTAO radio and TV. There was a line about WTAO TV (the original channel 56, which was off the air by that point) awaiting a determination on a petition to move to channel 13. Does anyone know about this? I have never seen channel 13 listed as a Boston allocation, and WGAN  Portland was already on the air on channel 13. Just curious.

Maureen