Date   
U3S KEY CLICK ISSUES ON 6 METRES By Bob ZL1RS · #47530 ·
U3S performance. By Bob ZL1RS · #42870 ·
Measuring output watts with an oscilloscope By Bob ZL1RS · #42508 ·
Measuring output watts with an oscilloscope By Bob ZL1RS · #42499 ·
Need an AVR programmer for my QCX, will this one work? By Bob ZL1RS · #42128 ·
80 Meter WSPR Freq? By Bob ZL1RS · #41810 ·
Missing QCX rotary encoder and NAND question By Bob ZL1RS · #41632 ·
Balloon and similar payload electronics and conformal coating By Bob ZL1RS · #41532 ·
Low pass filters By Bob ZL1RS · #41266 ·
New U3S WSPR setup questions By Bob ZL1RS · #41053 ·
New U3S WSPR setup questions By Bob ZL1RS · #41051 ·
LightAPRS-W (WSPR) Tracker By Bob ZL1RS · #40873 ·
Anybody have some good hints to tame frequency drift on 6M. By Bob ZL1RS · #40153 ·
U3S no output? replaced BS170 did not help By Bob ZL1RS · #39993 ·
U3S Bias adjustment help Please By Bob ZL1RS · #39965 ·
Clock Kit 4 Line Display Case? By Bob ZL1RS · #35297 ·
QLG1 - Clarification on what the green LED should do By Bob ZL1RS · #32548 ·
QLG1 - Clarification on what the green LED should do By Bob ZL1RS · #32514 ·
New QLG1 Build - now what to do about the battery? By Bob ZL1RS · #32456 ·
QCX WSPR listener? By Bob ZL1RS · #31296 ·
1 - 20 of 172