Ham College episode 85 is now available for download.
Extra Class Exam Questions – Part 23
E5D AC and RF energy in real circuits: skin effect, electromagnetic fields, reactive power, power factor, electrical length of conductors at UHF and microwave frequencies, microstrip.
Emile talks GMRS Data modes. ID-52A power on screen with Tommy Dirt. George has the new ARRL Handbook 2022 edition. And an update on Energizer Ultimate Lithium batteries.
Tommy completes the LiFePO4 battery build and begins load testing. Emile runs Multi-applications on his shack Pi. The Cheapmunks drop by for a high frequency Christmas. Canadian and Creole holiday Food tasting.
Ham College episode 83 is now available for download.
Extra Class Exam Questions – Part 21.
E5B Time constants and phase relationships: RL and RC time constants, phase angle in reactive circuits and components, admittance and susceptance.
George explains AM & FM Broadcast Signals and decodes HD Radio on an SDRPlay receiver. Mike cooks up some tasty Android Pi. Is this the Pi OS we’ve been waiting for? Tommy builds an economical 50 Ah LiFePO4 Battery Pack.
Ham College episode 82 is now available for download.
Extra Class Exam Questions – Part 20.
E5A Resonance and Q: characteristics of resonant circuits: series and parallel resonance, definitions and effects of Q, half-power bandwidth, phase relationships in reactive circuits.
1:05:41
Celebrating 16 years of AmateurLogic.TV.
Peter, VK3PB drops in for and update from downunder. George shows some of his favorite tips and projects from the last few years. Tommy demonstrates a neat battery capacity tester. Emile discovers new Cheap Tricks with Echolink.
Announcing the winner of our 16th Anniversary contest!
Cliff Boand, WA0JTW will receive an Icom IC-705 Transceiver, AH-705 Auto Tuner, LC-192 Backpack, MFJ-4230MV Power Supply, MFJ-2012 OCF Antenna, and RG-8X coax.