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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 – Amateur satellite operation: Doppler shift, basic orbits, operating protocols, modulation mode selection, transmitter power considerations, telemetry and telecommand, satellite tracking programs, beacons, uplink and downlink mode definitions, spin fading, definition of “LEO”, setting uplink power.

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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.

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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.

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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 consumer electronics, RF feedback.

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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.

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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 component functions, which are crucial for the Technician Exam. The hosts, Professor Thomas and Dean Martin, go through several multiple-choice questions related to identifying components in circuit diagrams and understanding their roles.

Key topics covered include:

Circuit Diagrams (2:17-2:25): The discussion begins with identifying a schematic as an electrical wiring diagram using standard component symbols.
Component Identification (4:23-17:48): The hosts quiz each other on recognizing various components in schematics, such as:
Resistors (4:23-5:12)
Transistors (5:23-6:16)
Indicator Lamps (6:26-7:12)
Batteries (7:16-8:26)
Capacitors (8:43-9:55)
Light Emitting Diodes (LEDs) (9:58-11:39)
Variable Resistors (11:49-13:02)
Transformers (13:08-15:02)
Variable Inductors (15:06-16:16)
Antennas (16:30-17:10)
Component Functions (23:36-33:24): The latter part of the episode delves into the functions of various electrical components:
Rectifiers (23:36-24:43) are discussed as devices that convert alternating current (AC) to direct current (DC).
Relays (24:43-25:30) are defined as electrically controlled switches.
Meters (25:30-26:10) are explained as tools that display electrical quantities numerically.
Voltage Regulators (26:11-27:00) are identified as circuits that control voltage from a power supply.
Transformers (27:01-27:56) are highlighted for their ability to change AC voltage.
LEDs (28:25-29:07) are noted as common visual indicators.
Resonant Circuits (29:08-30:16) are explained as combinations of inductors and capacitors.
Integrated Circuits (30:22-31:16) are described as devices combining multiple semiconductors and components into one package.
Transistors (31:20-32:04) are described as controlling current flow.
Viewers are encouraged to send emails to [email protected] to participate in future Icom T-shirt giveaways. Join the Ham College social media groups for updates and community interaction (36:25-38:00).

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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?

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