A handheld ghost meter built on the Ghost Box engine: one large analogue needle, an audio trace and a session log, with only the controls a handheld would carry. In Scan mode the needle follows a simulated AM, FM or shortwave sweep; in Listen mode it follows your microphone; Session runs both.
The needle is a measure of audio activity, modelled as a spring-mass-damper so it moves like a real meter. It does not read the magnetometer and does not measure electromagnetic fields - for that, use Ghost Com II or the EMF Meter.
Audio activity. In Scan mode it follows the simulated receiver; in Listen mode it follows your microphone. It does not measure electromagnetic fields, and the start screen says so.
They share the same engine. Ghost Box is a frequency-first radio console with every control exposed; Ghost Com puts one large analogue meter in front of you and keeps only the essential controls, like a handheld unit.
Ghost Com II is the bench version and reads your device’s magnetometer, showing the field on three axes in microtesla. Ghost Com is the handheld audio meter.
Microphone audio is analysed on your device and only recorded if you press record. Nothing is uploaded.
This is an instrument and a sound tool, provided for entertainment and experiment. It describes what it measures and does not identify the cause of anything it shows.