A licensed individual should have the knowledge needed to keep them from interfering with other systems and/or transmitting in areas of the radio spectrum where they are not authorized.
An effort to keep mess like this from happening.....
The Cheap Radio Hack That Disrupted Poland’s Railway System
The sabotage of more than 20 trains in Poland by apparent supporters of Russia was carried out with a simple “radio-stop” command anyone could broadcast with $30 in equipment.www.wired.com
That is easy enuff to understand. In the case of the OP and his needs it seems like one licensed individual could instruct the others what and how to do it. Other than the obvious legal ramifications is there something else that would make this a no go in terms of jamming up the airways and has been stated?
Just trying to learn here, not trying to be difficult.