On this show we interview Eric Guth, 4Z1UG about the QSO Today Ham Expo and do a deep dive into ferrites.  What they are and how to use them. QSO Today Expo https://www.qsotodayhamexpo.com/ Jetstream JTBM270 3-ELEMENT 2M 5-ELEM 70CM DUAL BAND VHF UHF YAGI BEAM ANTENNA https://www.ebay.com/itm/401688089979?epid=1124956691&hash=item5d8679d57b:g:gJ0AAOSwHPlWfa1F Rig Expert AA-650 Antenna Analyzer https://www.dxengineering.com/parts/reu-aa-650zoom Stream Deck - Large version https://www.amazon.com/Elgato-Stream-Deck-XL-customizable/dp/B07RL8H55Z/ref=sr_1_3?dchild=1&keywords=stream+deck&qid=1627088153&sr=8-3 Toroids.info Resources The ARRL Handbook, specifically  Volume 2 chapter 5, section 5.5 of the 2020 handbook “Ferrite Materials” (5 pages of rich goodness) And Volume 5 Chapter 22 - (ferrite component sizes, values in tables)