Thanks to the cable act of 1996 (?), broadcast stations in-market can ask to be compensated for carriage on cable systems. They do have "must carry" status, but they also have the right to request some sort of compensation in exchange for placement on the system. In many cases, the big owners (i.e. network O&Os) can require cable channels owned by their corporations be carried in exchange for carriage of the local affiliate. For example, Fox did this with their owned and operated stations to get channels such as FX and FNC on cable systems in big markets.
In other words, if a qualified in-market broadcaster requests carriage, they must be put on the system. But they can also withhold rights of carriage too. And, here's the worst part: if a cable system in the Boston DMA were to dump WHDH, they could not just pick up WJAR or WWLP - unless those channels are "significantly viewed" in the cable system's coverage area (usually meaning that they are already on there). The local network affiliate has exclusive rights within their market (with certain exceptions). In past incidents, cable systems have tried to substitute a neighboring markets affiliate and they inevitably ended up pulling the plug under court injunction.
In the end, network broadcasters usually have the cable system over a barrel. But, in this case, you could find yourself permanently losing a secondary affiliate like WPRI over it. As this system has 2 sets of affiliates, this battle could be interesting.
By the way, it is the little shopping and religious nutball channels that scream for "must carry" status - thus bumping better channels off of cable. The popular channels don't need to do this - instead, they use extortion. A lose-lose situation.
This was one of the many bad aspects of that cable act, which was
supposed to be good for consumers. In the end, it was only good for broadcasters and cable companies - and really bad for the rest of us. Remember the example of cable TV the next time you want government to come to your rescue. :
