Recorded at home using a pair of phone pickup coils (modified by Jez riley French) connected to the microphone input of Sony PCM D50 recorder.

List of EMF sources:

1. Kindle e-book reader.

2. Depilator.

3. Sony camera

4. Electric cooker.

5. HP Laser printer.

6. CD-ROM laptop drive.

7. Washing machine programmer.

8. Mobile phone.

9. Computer mouse.

10. USB disk.