Hello, Per Carl KM1H's instructions, I replaced the old, cracked, high-R resistors in the parasitic suppressors in my 30L-1 this morning. Installed new ceramic 47-ohm units from Mouser. Worked *perfect*. On 10 and 15, one definite Ip dip, exactly at the RF peak. Thanks, Carl! - Jerry Kaidor, KF6VB