4.0.20 :hdr_ed:22 WB3GCK 20222611123304 :inc:15 THIS IS A DRILL :to:16 All Net Stations :fm:12 Craig WB3GCK :p2:16 CCAR Net Manager :d1:10 2022-12-01 :t1:5 1922L :sb:10 Headphones :s1:12 Craig WB3GCK :p3:16 CCAR Net Manager :mg:207 When deploying, bring headphones and expect to use them. There is substantial audio interference when operating in a confined space. Headphones cut down the noise and prevent interference to other operators.