During big cw contests a good QRO will improve overall score. Many hams use tubes, others use transistors, home made…
Home made
How to crash a brand new BLF188XR
Youtube bullsh…it about BLF188 being indestructible ! The test there was made using 100 Mhz pulse signal 1% duty cycle.…
Hf Contest Front-End Cw Filter
Chers all ! How many of us dreamed about having some kinda extreme narrow preselector for CW contests when lower…
Home made HF QRP Transceiver
After 20 years big pause as ham radio, in 2019 decided to start building a homemade 5 bands transceiver using…