Understanding Single Sideband (SSB)
A new Technician Class operator is likely to get started in ham radio with VHF and UHF phone operations using…
Single Sideband Advantages (G2A06)
A question in the 2019-2023 General License question pool inquires about the advantages of SSB on the HF bands. This…
The Heterodyne Receiver: Frequency Mixing and the Intermediate Frequency
The challenge faced by a radio receiver after snagging a desired radio frequency (RF) signal is to extract the audio…
VHF Multi-mode Transceiver
A previous Technician question pool item inquired about using a multimode transceiver for weak-signal communications on the VHF bands, such…
Tech Bands Over-the-Horizon Propagation (T3C04)
Question pool item T3C04 (2018-2022) asks: Which of the following propagation types is most commonly associated with occasional strong over-the-horizon…
Repeater Offsets in 2-meter band (T2A01)
Question pool item T2A01 in the 2018-2022 Technician pool asks: Which of the following is a common repeater frequency offset…
FM Repeaters -- An Introduction
Operating on VHF/UHF FM repeaters is one of the most popular activities in amateur radio. For the new ham, FM…
Tactical Nets
How would you answer this request from your local civic club leader, school principle, or police chief? “Say… You’re one…
