This soldering reference card from @adafruit is the most to-the-point explanation of good soldering practices I have ever seen:
Garrett @creatosaurus
Replying to @zekjur @konypyon @adafruit
For anyone who wants a ridiculously comprehensive video series on soldering: youtu.be/vIT4ra6Mo0s
For anyone who wants a ridiculously comprehensive video series on soldering: youtu.be/vIT4ra6Mo0s
FT8 Operating Guide by ZL2IFB dlvr.it/QBJ3hn
I don’t know why the picture for no conical tip,it depends on what your soldering. The main thing is good heat transfer and sometimes on small parts the conical tip is just what you need.