3 Royalty-Free Audio Tracks for "Gmtube"

I placed a beta source (co 60) towards a series 900 mini-monitor (gm tube), starting from about 50cm away. Saturation is reached 5cm away. I used a zealsound microphone and recorded directly into my laptop using audacity. The sound is as recorded.

I placed an alpha source (am241) towards a series 900 mini-monitor (gm tube), starting from about 10cm away. Saturation is reached 1cm away. I used a zealsound microphone and recorded directly into my laptop using audacity. The sound is as recorded.

I placed a radioactive towards a series 900 mini-monitor (gm tube), starting from about 50cm away. Saturation is reached 5cm away. I repeated moved the rock towards and away from the detector over a period of 2 minutes. I used a zealsound microphone and recorded directly into my laptop using audacity. The sound is as recorded.