Hy Don, i Made a new measure with an Hp multimeter with 5 decimals and the result was 2,9289 ohm a more confortabile data i think. Pippo IZ2NYY -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Control-Board-R20-bad-value-tp5598816p5605065.html Sent from the [K2] mailing list archive at Nabble.com.