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Stu WØSTU
Jan 7, 20223 min read
SWR Perfect Match (T7C04)
Learn fundamentals of Standing Wave Ratio (SWR), and what represents a good SWR value.
2,637
Stu WØSTU
Jan 7, 20223 min read
A Simple View of Resonance
Resonance - An intuitive way to think about the relationship between your transmitter and your antenna.
6,419
Stu WØSTU
Dec 26, 20214 min read
FM Bandwidth
The Technician question pool (2022-2026) asks you to identify FM bandwidth: T8A09: What is the approximate bandwidth of a VHF repeater FM...
11,316
Stu WØSTU
Dec 26, 20217 min read
Understanding Single Sideband (SSB)
All about single sideband. Learn how SSB mode is different from FM or other voice modes. Why is it so popular?
61,549
Stu WØSTU
Dec 26, 20213 min read
SSB Receive Filter Bandwidth
Technician question pool item T4B09 (2018-2022) raises the issue of filters for receiving single sideband signals: T4B09: Which of the...
4,539
Stu WØSTU
Dec 25, 20213 min read
The Heterodyne Receiver: Frequency Mixing and the Intermediate Frequency
Analog heterodyne receivers use frequency mixing to recover the modulating audio signal. Learn more.
5,013
Bob KØNR
Dec 25, 20213 min read
SSB Transmit Power: Audio Required!
Recently, I was talking with a new ham about a problem he was experiencing when trying to “tune up” his transmitter. While operating SSB...
2,733
Stu WØSTU
Dec 25, 20214 min read
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 question is similar...
5,214
Stu WØSTU
Dec 23, 20213 min read
VHF Multi-mode Transceiver
A previous Technician question pool item inquired about using a multimode transceiver for weak-signal communications on the VHF bands,...
1,226
Stu WØSTU
Dec 23, 20213 min read
Tech Bands Over-the-Horizon Propagation (T3C04)
What phenomenon can get your Technician signals over the horizon? Sporadic E may be coming your way.
2,351
Stu WØSTU
Dec 22, 20212 min read
Speed of Propagation (T3B11)
The technician question pool (2018-2022) item T3B11 asks: What is the approximate velocity of a radio wave as it travels through free...
1,139
Stu WØSTU
Dec 22, 20215 min read
Tactical Nets
Tips for operating a tactical net. Learn how to be efficient on the air.
1,885
Bob KØNR
Dec 22, 20213 min read
Get a Vanity Call Sign
A common question I hear from new hams is “how do I get a vanity call sign?” The process is probably harder than it needs to be but...
12,633
Stu WØSTU
Dec 22, 202111 min read
FM Repeaters -- An Introduction
Learn how FM repeaters work. Offsets, CTCSS tones, duplexers, controllers and more.
14,614
Stu WØSTU
Dec 22, 20212 min read
Repeater Offsets in 2-meter band (T2A01)
Get up to speed on repeater offsets and how to find settings for repeaters.
22,806
Stu WØSTU
Dec 21, 20217 min read
Loads of Modes
First comes the furrowed brows. Then perhaps a frown or two. At last, a hesitant hand goes up. “I don’t get this whole mode thing.” “Yea,...
11,959
Stu WØSTU
Dec 21, 20214 min read
Dissecting Your Technician Exam 2022-2026
How is the Technician License exam structured? How does this impact my studies? Learn more for the 2022-2026 exams!
7,134
Stu WØSTU
Dec 20, 202110 min read
Amateur Satellite Contacts
With a Technician License, you can communicate by low earth orbit satellites. Learn how.
6,587
Stu WØSTU
Dec 20, 20218 min read
Trimming a Dipole Antenna
Learn how to adjust a simple dipole antenna for the desired operating band.
17,155
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