On 8/9/2013 4:43 AM, Pete Smith N4ZR wrote: > The passive loop transducer that Jim's touting looks FB. My aids have > a Telecoil setting - the only thing I've found fault with is that they > also pick up other fields in the vicinity - often including 60-Hz hum. Yes. As I noted earlier, that's the Achilles Heel of magnetic loop systems. 73, Jim K9YC