MTR3B as practice oscillator Home › Forums › QRP Transceivers › MTR3B as practice oscillator This topic has 0 replies, 1 voice, and was last updated 5 years, 6 months ago by montecri. Viewing 1 post (of 1 total) Author Posts March 15, 2018 at 2:40 pm #3687 montecriMember Hello, Question: Can I use an MTR3B as a practice oscillator? Thanks, – Cristiano Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In