Starshel

R-045/R-046 Starshel (Bulgarian: Стършел, Hornet) is a type of electronic countermeasures ammunition, fired by 122 mm or 152 mm artillery guns.

It is designed to completely disrupt enemy radio communications on the battlefield.

[1] By the mid-1990s the rounds were issued to every artillery unit in the Bulgarian army as special ammunition.

After contact with the ground, an automatic fuze fires the 1,5 meter-long antenna up, which is powered by a small lithium battery for at least an hour.

Bold indicates equipment, which is currently in service with the Bulgarian military