Thursday, 25 December 2025
Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit
Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit: Discover how to build a hidden transmitter hunter using a simple RF snifter circuit. Ideal for transmitter hunts and bug tracking with minimal components.
Simple UJT Morse Code Practice Oscillator Circuit
Simple UJT Morse Code Practice Oscillator Circuit: Learn to build a simple UJT Morse code practice oscillator with basic components. Perfect beginner electronics project for ham radio enthusiasts.
Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver
Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver: Detailed explanation of Mosquito TRX circuit. Learn how the IRF510acts as crystal oscillator/PA for QRP transmission and direct conversion mixer for 7030 kHz
Wednesday, 24 December 2025
W5GI Multiband Collinear Antenna: A Proven HF All-Band Wire Antenna
W5GI Multiband Collinear Antenna: A Proven HF All-Band Wire Antenna: W5GI multiband collinear antenna explained. Covers 80–6m with tuner, better than G5RV, construction details, coax sections, and real-world performance.
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