Date   
External GPS Antenna By ... · #27049 ·
BS170 amp input impedance By ... · #26737 ·
WSPR X2 question By ... · #26688 ·
WSPR X2 question By ... · #26679 ·
U3S on 630M "crashes" the system. By ... · #26402 ·
QSX radio + 630m :) By ... · #26187 ·
Purpose of Band Pass Filters By ... · #25429 ·
QCX Battey Selection By ... · #23443 ·
new bandpass filters for 6, 620, and 2200 Meters? By ... · #23361 ·
FT8 for U3? By ... · #22525 ·
Mode FT-8 By ... · #21533 ·
U3S power out on 630M By ... · #20621 ·
LPF frequency curves By ... · #19966 ·
FT8 for U3? By ... · #19344 ·
FT8 for U3? By ... · #19248 ·
FT8 for U3? By ... · #19173 ·
QCX on 630m By ... · #18211 ·
QCX on 630m By ... · #18166 ·
U3S LP filter values for 950 kHz? By ... · #16296 ·
Multiple BS170 causing U3S instabilities? By ... · #15939 ·
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