Amateur Logic TV

August 28, 2021
Ham College 80 - Extra Class Exam Questions – Part 18
E4D Receiver performance characteristics: blocking dynamic range, intermodulation and cross-modulation interference, third-order intercept, desensitization, preselectors. 55:30
August 14, 2021
AmateurLogic 159: 3D Fumes, SDR Console, AH-705 Setup
Mike 3D prints a custom Solder Fumes Extractor. Emile reviews SDR Console software. Tommy sets up his Icom AH-705 auto tuner. George does some AA exploring. Announcement of AmateurLogic’s 16th Anniversary Contest. Someone is going to win a great Icom IC-705 transceiver package. Details at amateurlogic.tv/contest . 1:18:50
July 31, 2021
Ham College 79 - Extra Class Exam Questions – Part 17
E4C Receiver performance characteristics: phase noise, noise floor, image rejection, MDS, signal-to-noise ratio, noise figure, reciprocal mixing, selectivity, effects of SDR receiver non-linearity, use of attenuators at low frequencies. 55:21
July 17, 2021
AmateurLogic 158: Distortion, Field Day & SDRangel
George’s Distortion Exploration. Tommy and the One Man Field Day Team. Mike discovers SDRangel software. 1:07:25
June 26, 2021
Ham College 78 - Extra Class Exam Questions – Part 16
E4B Measurement technique and limitations: instrument accuracy and performance limitations, probes, techniques to minimize errors, measurement of Q, instrument calibration, S parameters, vector network analyzers. 54:43
June 12, 2021
AmateurLogic 157: Cheap Touch, Charge & Chat
A $22 Raspberry Pi Touchscreen with case and fan. Is it worth it? The awesome VC4S Intelligent Battery Tester, Charger, Conditioner. VARA File Transfers and Chat over HF and FM gets the job done. 1:24:20
May 30, 2021
Ham College 77 - Extra Class Exam Questions – Part 15
E4A Test equipment: analog and digital instruments, spectrum analyzers, antenna analyzers, oscilloscopes, RF measurements, computer-aided measurements. 53:37
May 15, 2021
AmateurLogic 156: Radiogram
What’s a Shortwave Radiogram? OpenWebRX v1.0 Update. UBLOX7 Winlink and Time Sync using GPS. 1:04:56
May 1, 2021
Ham College 76 - Extra Class Exam Questions – Part 14
E3C Radio horizon, ground wave, propagation prediction techniques and modeling, effects of space weather parameters on propagation. 1:01:28
April 17, 2021
AmateurLogic 155: Tower Failure Follow Up
Pi Pico OLED display. Hamshack Hotline Beyond BLF. FCC licensed by rule radio services and you. Tower failure follow up. New RF Exposure rules updated. Name that part. 1:11:40
March 27, 2021
Ham College 75 - Extra Class Exam Questions – Part 13
E3B Transequatorial propagation, long-path, grayline, ordinary and extraordinary waves, chordal hop, and sporadic E mechanisms. 55:06
March 13, 2021
AmateurLogic 154: What The Heck Are They Saying?
What The Heck Are They Saying? George finds out in Translating Foreign Language Shortwave Broadcasts. Mike explores Satsagen spectrum analyzer and signal generator software. Tommy deploys his MFJ power strip. And John Amodeo, AA6JA is back with an update on the Last Man Standing Special Event. 1:32:59
February 27, 2021
Ham College 74 - Extra Class Exam Questions – Part 12
E3A Electromagnetic waves: Earth-Moon-Earth communications, meteor scatter, microwave tropospheric and scatter propagation, aurora propagation, ionospheric propagation changes over the day, circular polarization. 55:43
February 15, 2021
AmateurLogic 153: RigPi v2, Pico Pi, Winter Field Day
Howard Nurse, W6HN joins us to discuss some of the nice upgrades in RigPi version 2 and George updates his MFJ-1234 to RigPi v2. Tommy shows how to get started with the new Raspberry Pi Pico. Emile discusses this year’s unique Winter field Day event at Ozone Amateur Radio Club. 1:25:46
January 31, 2021
Ham College 73 - Extra Class Exam Questions – Part 11
E2E Operating methods: operating HF digital modes. 1:07:26
January 16, 2021
AmateurLogic 152: Hands On Raspberry Pi 400
This month we’ve got three great topics to start 2021 out right. George give his first impressions of the Raspberry Pi 400 Personal Computer Kit and it’s a keeper. Mike introduces the ADALM-PLUTO SDR & Satsagen Spectrum Analyzer software. Emile begins building the K5OZ Lightning Rig Saver. 1:26:31
January 9, 2021
Ham College 72 - Extra Class Exam Questions – Part 10
E2D Operating methods: VHF and UHF digital modes and procedures, APRS, EME procedures, meteor scatter procedures. 1:00:28
December 19, 2020
AmateurLogic 150: Christmas 2020
Tommy shows us the neat Doozy for D-Star application. Emile celebrates 12 Days of Elmers. George remembers the Radio Shack TRS-80 Model 100 and discusses all digital AM changes. Emile shows how to completely update Pi-Star. Mike’s got the 2020 AmateurLogic Crazy Cheap Christmas Gift Guide. 1:34
November 28, 2020
Ham College 71
Extra Class Exam Questions – Part 9. E2C Operating methods: contest and DX operating, remote operation techniques, Cabrillo format, QSLing, RF network connected systems. 1:10:07
November 14, 2020
AmateurLogic 149: Another Friday The 13th
It’s another Friday The 13th in 2020. Tommy sends pictures over the radio. Mike discusses the new M17 digital radio protocol project. Jeffery Kopcak, K8JTK joins in with a background look at the K8JTK Hub Digital Multimode Interlink System we use each Tuesday night for the AmateurLogic Soundcheck Net. AllStar Link, EchoLink, DMR, D-STAR, NXDN, P25, and Yaesu System Fusion are linked together for the ultimate multimode conferencing experience. 1:10:53

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