[Elecraft] Bad joints on KPA100 again - with photo...

[Bob Boehmer]

Looks like the pads you are having problems with are connections to a ground
(or power) plane. These often require more heat than a pad that is connected
to a trace since the plane "wicks" the heat away.

73
Bob, WB3FXC


> Subject: [Elecraft] Bad joints on KPA100 again - with photo...
> 
> 
> Hi again,
> 
> just took a photo. You see it seems to affect only a special 
> kind of hole (see picture). You can see on the picture that 
> other holes work well. 
> 
> http://www.gs-roboter.de/problem.htm
> 
> Iron is temp regulated at 330 deg C. Same like before. I 
> already changed iron and solder. To no avail.