Monday, April 27, 2026
Microphone Pre-Compressor Circuit for SSB Transceivers
Microphone Pre-Compressor Circuit for SSB Transceivers: A practical microphone pre-compressor circuit for SSB transceivers using JFET and transistor stages. Improve transmit audio clarity and power in amateur radio
Monday, April 6, 2026
DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators
DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators: A complete guide to building 145 MHz Twin Delta Loop antenna with dimensions, construction tips, feeding method, and performance advantages for VHF ham radio.
UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide
UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide: Detailed guide to building UR0GT Broadband Avia Antenna modified by RW4HVN. Covers dimensions, design principles, SWR performance, construction details
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