Amateurlogic.tv (audio)

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, selecting. SWR concepts, Antenna tuners (couplers), RF Connector selecting and weather protection. 59:17

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 Radio, WSJT modes, and Broadband-Hamnet. 56:55

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. 55:05

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. 1:23:14

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. 1:13:09

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. 59:05

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. 1:11:13

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. 39:31

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? 58:45

T6A - Fixed and variable resistors, Capacitors, Inductors, Fuses, Switches, Batteries. T6B – Semiconductors: basic principles and applications of solid state devices, diodes and transistors. 56:01

N5ZNO' First POTA Activation. 2.5 Gbps Fiber to The Shack. New and Classic Christmas Fails. 1:23:56

T5D – Ohm’s Law, Series and parallel circuits. 39:07

Fixing a transmitter with a rubber mallet (it's not what you think). Installing Windows 11 on a Raspberry Pi could be worth it. HackRF firmware goodies. Mike's new toy. 59:39

T5C – Capacitance and inductance terminology and units. Radio frequency definition and units. Impedance definition and units. Calculating power. 37:33

It started back in 2005 as one of the first Internet television experiments and is still going strong 20 years later. Join your AmateurLogic friends as we look back on some of the memorable moments of the past two decades. We also announce the winner of the IC-705 transceiver from Icom and the accessory package from Gigaparts. 2:14:45

T5B - Math for electronics: conversion of electrical units, decibels. 53:43

New prototypes and speculations from Tokyo Ham Fair. W5SLA Ozone Amateur Radio Club Hamfest fun and forum review. Announcing AmateurLogic's 20th Anniversary contest. Someone is going to win a major award including an IC-705 Portable Transceiver from Icom and a great prize package from Gigaparts. Details at https://amateurlogic.tv/contest. https://amateurlogic.tv 1:13:30

T5A – Current and voltage: terminology and units, conductors and insulators, alternating and direct current. 36:41

Join Tommy and George for an exciting adventure at Huntsville Hamfest 2025. New stuff, old treasures and friends make for an enjoyable time at the 'Worlds Friendliest Hamfest'. 1:47:44

T4B – Operating controls: Frequency Tuning, use of Filters, Squelch function, AGC, Memory Channels, Noise Blanker, Microphone Gain, Receiver Incremental Tuning (RIT), Bandwidth Selection, Digital Transceiver Configuration. 46:11