[Scan-DC] What is the purpose of this sensor or antenna?

[Blair Thompson]

Thanks. Sooner or later, something's got to work. 
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On Sun, 2/17/19, Scott, KB3JQQ <kb3jqq at yahoo.com> wrote:

 Subject: Re: [Scan-DC] What is the purpose of this sensor or antenna?
 To: "Blair Thompson" <b_thom at rocketmail.com>
 Date: Sunday, February 17, 2019, 10:44 PM
 
 I use tinypic.com.