From The ARRL Letter, November 22, 2023:
Tucson Amateur Packet Radio, Inc. (TAPR) will hold an online Mini-Digital Communications Conference on December 9, 2023, from 1700 to 2230 UTC (1200 to 1730 EST, 0900 to 1430 PST). Log in details for the conference will be available at https://tapr.org prior to December 9. TAPR is an international amateur radio organization that was founded in Tucson, Arizona, in 1981 by a group of amateurs interested in developing a terminal node controller (TNC) for amateur use. Presentations during the conference will include:
- TAPR Software Defined Radio (SDR) Development Progress and Challenges by David Larsen, KVØS
- Developments in KA9Q Radio by Phil Karn, KA9Q
- An Open Source Wideband HF Receiver Design by David Witten, KDØEAG
- An Inexpensive Global Positioning System Disciplined Oscillator (GPSDO) for HF Receivers by John Ackermann, N8UR
- Current Open Source Digital Voice Techniques by Walter Holmes, K5WH
- A Low Cost FreeDV-based ESP32 Radio Interface by Mooneer Salem, K6AQ
- ESP32 Automatic Packet Reporting System (APRS) and Long Range (LoRa) Hardware by Jason Rausch, K4APR