Date   
Antenna matching, even the "experts" get it wrong. By Paul Christensen · #84391 ·
EFHW from ARRL By Paul Christensen · #84383 ·
QDX Enclosure By Paul Christensen · #84098 ·
#QDX: 01-May-2022 Sunday 1800Z feels like a good time for another pileup! By Paul Christensen · #84089 ·
K6JTH's versatile stand for the QCX-mini By Paul Christensen · #83374 ·
How does QDX implement the raised cosine ramp in the FT8 spec? By Paul Christensen · #82358 ·
LCR Meter for $18? By Paul Christensen · #79942 ·
PTT pins on QCX, why is there 5 v there? By Paul Christensen · #79179 ·
PTT pins on QCX, why is there 5 v there? By Paul Christensen · #79137 ·
QCX Mini PTT Modification By Paul Christensen · #77712 ·
QCX Mini PTT Modification By Paul Christensen · #77594 ·
QCX Mini PTT Modification By Paul Christensen · #77537 ·
Key bounce issues By Paul Christensen · #77278 ·
R.I.P VFO By Paul Christensen · #77126 ·
Successful QDX order By Paul Christensen · #76521 ·
QCX Audio Limiter By Paul Christensen · #76136 ·
Oscilloscope usage By Paul Christensen · #76135 ·
Oscilloscope usage By Paul Christensen · #76128 ·
QCX Mini 40M smoked By Paul Christensen · #76086 ·
making PCB from schematics By Paul Christensen · #76006 ·
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