S solarnevo1 Active member Joined Jan 27, 2012 Messages 42 Apr 21, 2020 #1 Thee bord's are from hf circuits. These loook like are silver plated. I tested for silver there is no silver. Protectiv coat is maybe pt, solder, thin? Attachments 20200421_144425.jpg 3.6 MB · Views: 262 20200421_144433.jpg 5 MB · Views: 262 20200421_144429.jpg 3.2 MB · Views: 262
Thee bord's are from hf circuits. These loook like are silver plated. I tested for silver there is no silver. Protectiv coat is maybe pt, solder, thin?
K kurtak Well-known member Joined Jan 16, 2014 Messages 3,856 Location John Day Oregon Apr 21, 2020 #2 Tin Kurt