Ham College episode 138 is now available for download. Technician Exam Questions Part 25 T9A – Antennas: vertical and horizontal polarization, concept of antenna gain, definition and types of beam antennas, antenna loading, common portable and mobile antennas, relationships between resonant length and frequency, and dipole pattern. T9B – Feed lines: types, attenuation vs frequency, … Continue reading Ham College 138

Ham College episode 137 is now available for download. Technician Exam Questions Part 24 T8C – Operating activities: radio direction finding, contests, linking over the internet, exchanging grid locators. T8D – Non-voice and digital communications: image signals and definition of NTSC, CW, packet radio, PSK, APRS, error detection and correction, amateur radio networking, Digital Mobile … Continue reading Ham College 137

Ham College episode 136 is now available for download. Technician Exam Questions Part 22. T8A – Basic characteristics of FM and SSB: Bandwidth of various modulation modes: CW, SSB, FM, fast-scan TV, Choice of emission type: selection of USB vs LSB, use of SSB for weak signal work, use of FM for VHF. T8B – … Continue reading Ham College 136

AmateurLogic.TV Episode 215 is now available for download. Cutting a 1/4 wave shorted stub. DR Mode travel prep for automatic repeater memories. ATS 20+ Firmware update improvements. Emile’s latest shack update. Download YouTube

Ham College episode 135 is now available for download. Technician Exam Questions Part 22. T7C – Antenna and transmission line measurements and troubleshooting: measuring SWR, effects of high SWR, causes of feed line failures, Basic coaxial cable characteristics, Use of dummy loads when testing. T7D – Using basic test instruments: voltmeter, ammeter, and ohmmeter, Soldering. … Continue reading Ham College 135

Ham College episode 134 is now available for download. Technician Exam Questions Part 21. T7A – Station equipment: receivers, transceivers, transmitter amplifiers, receive amplifiers, transverters; Basic radio circuit concepts and terminology: sensitivity, selectivity, mixers, oscillators, PTT, modulation. T7B – Symptoms, causes, and cures of common transmitter and receiver problems: overload and overdrive, distortion, interference and … Continue reading

AmateurLogic.TV Episode 214 is now available for download. Explore OpenHamClock, Raspberry Pi Trixie, and the Choyong LC90 Internet radio. Retain your power pole connectors with a cheap hack. Visit with friends at the 2026 Capital City Hamfest. Downlo...

Ham College episode 133 is now available for download. Technician Exam Questions Part 20. T6C – Circuit diagrams: use of schematics, basic structure, Schematic symbols of basic components. T6D – Component functions: rectifiers, relays, voltage regulators, meters, indicators, integrated circuits, transformers, Resonant circuit, Shielding. This episode of Ham College (0:00-39:27) focuses on electrical diagrams and … Continue reading Ham College 133

AmateurLogic.TV Episode 213 is now available for download. In another Tales From The Transmitter, George presents RF Burns. Emile is getting back on the air in the new shack. Mike asks Hey What’s That, WISP? Download YouTube

Ham College episode 132 is now available for download. Technician Exam Questions Part 19 T6A – Fixed and variable resistors, Capacitors, Inductors, Fuses, Switches, Batteries. T6B – Semiconductors: basic principles and applications of solid state devices, diodes and transistors. Ham College 132, titled “Technician Exam Questions Part 19,” focuses on topics T6A (Fixed and variable … Continue reading Ham College 132

AmateurLogic.TV Episode 212 is now available for download. N5ZNO’ First POTA Activation. 2.5 Gbps Fiber to The Shack. New and Classic Christmas Fails. The video is a “Christmas edition” of AmateurLogic.TV, featuring hosts George, Tommy, Emile, and Mike discussing various amateur radio-related topics and personal updates. Here’s a summary of the key segments: Introductions and … Continue reading AmateurLogic 212: Christmas 2025