Buy one on Amazon: (compensated affiliate link) - I am continuing my exploration with software defined radio and the RTL-SDR dongle. In this video we're going to take a look at digital signals and how to decode them! Links: VBCable: DMR / DSD Plus: QTMM for Packet Radio: POCSAG Decoder: L-Band Antenna: (compensated affiliate link) Jaero Software: FT8 APP : JS8 app: RTL-SDR Blog ( a great resource): Shortwave antenna: (compensated affiliate link) HamTestOnline: ARRL: VIDEO INDEX: 00:00 - Intro 01:08 - Identifying Digital Signals 03:09 - VBCable virtual audio cable software 05:48 - DMR 08:41 - Packet Radio 11:29 - POCSAG - Pager Transmissions 13:39 - L-Band Satellite Transmissions 16:00 - FT8 - Weak Signal Messages 18:15 - HF Frequency Mode Change 19:10 - JS8 / JS8 Call 19:56 - Finding Weak Signal Transmissions 21:25 - Using a WebSDR instead Subscribe to my email list to get a weekly digest of upcoming videos! - See my second channel for supplementary content : Join the Facebook group to connect with me and other viewers! Visit the store to purchase some of my previously reviewed items! Read more about my transparency and disclaimers: Want to chat with other fans of the channel? Visit our Facebook Group! , our Discord: and our Telegram channel at ! Want to help the channel? Start a Member subscription or give a one time tip! or contribute via Venmo! lon@ Follow me on Facebook! Follow me on Twitter! Catch my longer interviews and wrap-ups in audio form on my podcast! or the feed at We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.