In the days of analog multimeter, the needle would flick once as the capacitor was being charged and then come back to zero. If the capacitor was leaky,
Tuned Radio Frequency Receiver is an old type of radio receiver, also known as TRF receiver in short. It has one or more tuned radio frequency amplifier stages
A new FM satellite launch has been announced on the AMSAT bulletin board. LEO satellite operators have been requested to try receiving the first day telemetry reception from
Heard VK9CV Cocos Keeling Island DXpedition 2024 on 24.940 MHz with a nice signal. They were listening 5 kHz up. After setting up for split mode for transmitting
This is a remote control toy car which works on four AA batteries. The remote control operates in the 27 MHz license free Citizen Band. Todays experiment is
When I tuned in to 24.897 MHz a few minutes back, I heard several stations mentioning their callsigns in CW, without giving a full call. Immediately I thought
HS19IARU is the special event station commemorating 19th IARU Region 3 Conference 2024, to be held in Bangkok, Thailand from November 4-8, 2024. The Radio Amateur Society of
In the simplest sense, frequency changer or frequency converter is a device which can change the frequency of an alternating current. It could be changing the frequency of
Oscillator in electronics is a circuit which produces periodic oscillations or alternating signal which could be a sine wave, square wave or another type of wave. The oscillator
