SDR for Beginners Using the SDRplay and SDRuno by Brian Schell: New

SDR for Beginners Using the SDRplay and SDRuno by Brian Schell (English) Paperba

SDR for Beginners Using the SDRplay and SDRuno (Amateur Radio for Beginners)

The Horror Guys Guide to Universal Studios Shock! Theater by Brian Schell: New

DMR For Beginners: Using the Tytera MD-380 by Brian Schell (English) Paperback B

D-Star for Beginners by Brian Schell (English) Paperback Book