Amateur Logic TV

September 16, 2023

AmateurLogic 185: Unwrapping The Layers of an Unun

Mike exposes an Unun. Tommy renews his FCC License step by step. Emile hits the Pi Bullseye. Announcing our 18th Anniversary Contest with an Icom IC-705 and a package of great accessories from MFJ. Contest details are available at https://amateurlogic.tv/contest 1:19:47

September 2, 2023

Ham College 104 - Extra Class Exam Questions – Part 42

E8D Keying defects and overmodulation of digital signals, digital codes, spread spectrum 51:57

August 26, 2023

AmateurLogic 184: Huntsville Hamfest 2023 & Emile’s Adventures in Space

Visits with friends at Huntsville Hamfest 2023. Plus Emile’s adventures at the U.S. Space & Rocket Center. 1:22:32

July 29, 2023

Ham College 103 - Extra Class Exam Questions – Part 41

E8C Digital signals: digital communication modes, information rate vs. bandwidth, error correction. 47:43

July 15, 2023

AmateurLogic 183: Field Day & Friedrichshafen

W5AXC and W5SLA Field Day Events. JPC-12 40-6 Meter Vertical Antenna. Friedrichshafen 2023 1:30:00

July 1, 2023

Ham College 102 - Extra Class Exam Questions – Part 40

E8B Modulation and demodulation: modulation methods, modulation index and deviation ratio, frequency and time division multiplexing, Orthogonal Frequency Division Multiplexing and balanced modulators, detectors, mixer stages. 58:29

June 17, 2023

AmateurLogic 182: Cheap Tricks for Field Day

Tips and tricks for a cheap old field day. Bluetti EB3A Portable Power Station. Building a high quality 1:1 balun. 1:16:04

June 3, 2023

Ham College 101 - Extra exam questions - Part 39

E8A AC waveforms: sine, square, and irregular waveforms. AC measurements, average power and PEP of RF signals, Fourier analysis, analog to digital conversion: digital to analog conversion, advantages of digital communications. 57:37

May 27, 2023

AmateurLogic 181: George & Mike’s Excellent Adventure

George & Mike cover the premiere Hamfest of the season, Hamvention 2023. Visits with friends and vendors. Plus some great new finds you may not be aware of. Hamvention is always a fun, entertaining event and this year was no different. 1:39:34

April 29, 2023

Ham College 100 - Extra Class Exam Questions – Part 38

E7H Oscillators and signal sources: types of oscillators, synthesizers and phase-locked loops, direct digital synthesizers, stabilizing thermal drift, microphonics, high-accuracy oscillators. 59:40

April 15, 2023

AmateurLogic 180: Cheap Old Geaux Baux

Emile builds a Geaux Baux. Software for NanoVNA analyzers. Dual Band Satellite Yagi, The Sequel. 1:20:24

April 1, 2023

Ham College 99 - Extra Class Exam Questions – Part 37

E7G Active filters and op-amp circuits: active audio filters, characteristics, basic circuit design, operational amplifiers. 51:22

March 18, 2023

AmateurLogic 179: Tales From The Transmitter

George takes to the swamp for a 50 Kilowatt ‘Tales From The Transmitter Site’. Tommy explores BlueDV OTG. Mike builds a dual band Yagi for working the satellites. 1:20:47

March 4, 2023

Ham College 98 - Extra Class Exam Questions – Part 36

E7F DSP filtering and other operations, software defined radio fundamentals, DSP modulation and demodulation. 1:00:07

February 18, 2023

AmateurLogic 178: USB Relays, Nano VNA, WFD Rearview

Easily and cheaply control relays over a USB port. Nano VNA explorations. Brutal Winter Field Day rearview mirror edition. 1:06:31

February 4, 2023

Ham College 97 - Extra Class Exam Questions – Part 35

E7E Modulation and demodulation: reactance, phase and balanced modulators, detectors, mixer stages. 48:54

January 14, 2023

AmateurLogic 177: Quarter Wave Stub

George demonstrates how to cut a quarter wave stub to notch out interference. Emile packs for 2023 Winter Field Day. Mike explores W0CHP PiStar Dashboard. Plus, mysterious solar powered antennas installations are popping up. How could this be cryptocurrency miners? 1:27:11

December 31, 2022

Ham College 96 - Extra Class Exam Questions – Part 34

E7D Power supplies and voltage regulators, Solar array charge controllers. 1:01:03

December 17, 2022

AmateurLogic 176: A Very Merry Christmas

Tommy uses Chirp open source software to program his transceiver. Emile discusses a tactical net in the Slidell area using Amateur Radio, GMRS and FRS. No ALTV Christmas episode would be complete without some comic entertainment. In the spirit of the season we present ‘Cheap Old 2022 Rear End Review’ and ‘AmateurLogic.TV Crazy Cheap Close-Out’. 1:38:57

December 3, 2022

Ham College 95 - Extra Class Exam Questions – Part 33

E7C Filters and matching networks: types of networks, types of filters, filter applications, filter characteristics, impedance matching, DSP filtering. 51:19