Your primary role as a ghost hunter is to validate claims of the paranormal, and in order to do this, you'll need to be sure that any potential paranormal evidence is logged. This will also help you discredit anything that may not be a result of the paranormal.

The most common ways to log an investigation are to either use an audio recorder, a video camera, or a notebook. While notebooks are great, they can't be seen in the dark, which can be a problem during an investigation. An audio recorder is a good option for making a record of everything that occurs, as is a video camera, which has the added benefit of being able to capture any visual evidence too.

If using audio to log the investigation, you should ensure that the recorder is running continuously. Audio files are relatively small compared to a modern memory card's capacity, which means...