This TL-9 limit really makes no sense. If you can jam every type of radar, you can jam any radio as well, unless you specifically exclude radio bands from your jammer's abilities.

On Mon, May 11, 2015 at 11:54 AM, <tmr0195@comcast.net> wrote:
 
3. radar jammers may be used to jam radar and AEMS; and EMS
jammers may be used to jam radios, radars, and AEMS.” At TL 10+ the AEMS or Area Jammer covers everything,
which results in needing only I system.