Electromagnetics
EMF meters, magnetometers, and what a compass is really telling you.
- TS/FLD/08 · 6 min read
Reading a Compass in a Haunted Room
Your phone's compass is a magnetometer with the interference left in. Here is how to use one as an instrument, and the arithmetic mistake that makes north look haunted.
- TS/FLD/01 · 5 min read
How to Take a Baseline
The dullest half hour of any investigation and the only part that makes the rest of it mean anything. What to measure, where, for how long, and what to write down.
- TS/FLD/03 · 6 min read
What an EMF Meter Actually Measures
Most ghost-hunting EMF meters read one thing, badly, and it is not what the box says. Here is what the number is, what moves it, and how to use one properly.