Precision instruments for paranormal research · Invented by Gary Galka
ITC Research Library
Learn ITC from the inventor.
Free guides, technique breakdowns, and real session footage from Gary Galka, the engineer who designed the P-SB7, the Mel Meter, and the REM-POD. No hype, no theatrics, just how the instruments actually work.
Start Here
New to ITC research?
Three short reads that get you from zero to your first session.
Articles
Guides and how-it-works
Written by Gary, grounded in the real engineering behind each instrument.
What Is ITC?
A plain-English introduction to Instrumental Trans-Communication: the history, the method, and the tools.
Read the article →
What Is Frequency Overlap?
How the PSB7-PRO creates clustered hot spots with adjustable frequency steps, in Gary's words.
Read the article →
How to Use the APF-D Processor
Rewind, slow down, and decipher responses. A working review workflow for the Audio Playback Filter.
Read the article →
The REM-POD Rev3 Explained
How radiating-field proximity detection works, and what is new in the 2026 Edition.
Read the article →Which Spirit Box Is Right for You?
P-SB7 vs P-SB11 vs PSB7-PRO. A plain buyer's guide from the inventor.
Read the article →
Your First Spirit Box Session
A calm, practical setup and walkthrough for a first session, and how to review it honestly.
Read the article →Video Library
Watch real sessions and setups
Straight from Gary's channel, grouped by what you want to learn.
How ITC Works
Setup & Technique
Hundreds more on the channel.
Gary posts new ITC sessions, demos, and technique videos regularly. Subscribe to follow the research.
Visit the YouTube Channel