List of Possible Distortion Sources?
1. Comb filter effects
2. Tube microphonics
3. Cosmic microwave background radiation
4. Sunspot activity
5. Window vibration
6. Wall vibration
7. Floor vibration
8. Past Time coordinates embedded in recording
9. Directionality of wires, cables, fuses, etc.
10. Low pressure weather system
1. Comb filter effects
2. Tube microphonics
3. Cosmic microwave background radiation
4. Sunspot activity
5. Window vibration
6. Wall vibration
7. Floor vibration
8. Past Time coordinates embedded in recording
9. Directionality of wires, cables, fuses, etc.
10. Low pressure weather system