This Hobby Is Actually Useful!

Paul Koning paulkoning at
Sat Aug 1 19:14:14 CDT 2015

> On Aug 1, 2015, at 6:49 PM, Brent Hilpert <hilpert at> wrote:
> ...
> As an example, I was trying to solder on the ground-plane of a 1970s (i.e. leaded everything) Heath digital tuner recently (double-sided ground plane on the PCB).
> Old Weller 48W/700F/mag-temp-switch iron was not up to it, would only melt in immediate proximity to the tip.

For that I keep a PTB tip around, the 800F type.  Changing tips is easy and they are pretty inexpensive.  You can also find (with a bit of searching) an extra-fine tip suitable for fine SMD work.


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