QRP Labs QCX-mini - Install Three BS170 Transistors

3.21 Install 2x3-pin in-circuit programming header
This male pin header can be used to connect an AVR Programmer to apply firmware
updates if desired. Insert the SHORT end of the pins into the PCB. Solder one pin in place
first and check that the header is nicely seated on the PCB before soldering the other 5.
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