Had my SX-111 and HT-37 at the club's field day this year. Drove it on 40M for some vintage CW action. Lor of lookers, but none of the other ops wanted to try. With all the computer logging and whiz bang radios there, guess who's was the first one on the air for the first contact? Tubes.... never leave home without 'em!! 73 Mark K3MSB