Presentation Slides Choose a presentation Batteries for Amateur Radio — Ralph Iden, WB9ICF — October 6, 2026 The Sun Spots Show — Tom Pusateri, W9NBG — October 1, 2024 Winlink Global Radio Email® — John Dewey, KA9CAR — August 6, 2024 2023 SOTA, Friedrichshafen, and More — Sevim Ablay, WB8BHN — February 6, 2024 EME — Ed Picha, N9EP — August 1, 2023 Propagation and Amateur Radio — Carl Luetzelschwab, K9LA — August 2, 2022 Voice of America Museum of Broadcasting — Ralph Iden, WB9ICF — June 7, 2022 Hamvention 2022 Recap — Ralph Iden, WB9ICF — June 7, 2022 Lightning and its Aftermath — Tom Pusateri, W9NBG — April 5, 2022 European SOTA & Friedrichshafen — Sevim Ablay, WB8BHN — February 2, 2021 Building and Testing the SATNOGS Rotor — Mike Pecorini, KD2RPE — September 1, 2020 Field Day Recap 2020 — August 4, 2020 Ham Shack use of Arduino and ESP-8266 — Ralph, WB9ICF — October 1, 2019 Introduction to the Raspberry Pi — Ralph Iden, WB9ICF — August 7, 2018 Non-Resonant Antennas — John Dewey, KA9CAR — November 6, 2017 Basics of Amateur Satellite Operation — JoAnne Maenpaa, K9JKM — August 1, 2017