As per a contest rule change by the ARRL, 146.52 is now authorized for contesting. What if I need to call out an emergency and the channel is full of users. Sure, I can call a break-break-break, but only if there isn't a pile-up. Regardless, it's the principle. Clearly, the ARRL does not see 146.52 as a public service frequency that should be prioritized for:
Calling out for an emergency
Calling out for simplex listeners before QSY to another frequency
Or, as we propose to use it, as an on-road travel frequency with the understanding that we should keep our transmissions shorter rather than longer and leave breaks in between to allow for emergency traffic.
Here is the ARRL rule change:
I quote the article below: