We have seen that usual superheterodyne radio receivers have single conversion of received frequency to the intermediate frequency using a single local oscillator and mixer. In many of
Activity on LEO satellites in this region has been low after the peak during the ARISS SSTV experiment. Most of the passes of International Space Station were lonely
Even though we have several modes in amateur radio now including the various digital modes and phone modes, still there are a good number of fans for CW
Superheterodyne radio receiver, often known in short as a Superhet, was designed to overcome the shortcomings of a tuned radio frequency receiver. It uses a frequency mixer to
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
