On 10/20/2019 3:33 PM, ed_richardson at shaw.ca wrote: > The were down about 25 dB from the fundamental. They were ± > about 700 kHz from the fundamental but drifted I placed a 15m BPF at the > input and now they are gone Which model of BPF? I repeat my advice about coax shield defects and bonding. 73, Jim K9YC