FIELD JOURNAL
Equipment guides, comparisons, and build notes for investigators
Structured Light Sensor Camera Explained: How SLS Cameras Detect a Figure
How a structured light sensor camera actually works: the infrared dot pattern it projects, how depth data becomes a skeleton overlay, and how motion-tracking hardware got repurposed for ghost hunting.
Best Ghost Hunting Equipment for 2026: A Complete Gear Guide
EMF meters, SLS cameras, thermal imaging, EVP recorders, spirit boxes, and IP camera monitoring: what each tool actually does, what it can't do alone, and how to build a kit that covers all of it.
Security Camera Footage vs Real-Time AI Detection: Why Nobody Watches Hours of Video
A typical NVR records around the clock but nobody is watching it live. See how SPECTER's IP Camera Wall runs real-time detection on up to 8 of your existing cameras and alerts you the instant something happens.
Cold Spots Explained: What Causes Them and How to Actually Detect One
Why a handheld thermometer only reads one point at a time, and how a thermal camera images a whole scene at once so SPECTER can log a real cold spot automatically.
Spirit Box Explained: How Ghost Box Sessions Actually Work
How a spirit box actually works, what it can't tell you in the moment, and why recording and correlating the session afterward matters more than what you hear live.
EVP Recorders Explained: How Electronic Voice Phenomenon Recording Works
What a digital voice recorder actually captures during an EVP session, and why the review step afterward matters more than the recording itself.
REM Pod vs K2 Meter vs a Free DIY EMF Sensor: What's the Difference?
How a REM pod and a K2 meter actually work, what they can't do, and how to build a wireless EMF and proximity sensor for about $20 in parts, free build guide included.