AR1 (version 2) – VLF Receiver

$299.95 HST

Audio 600 Hz to over 35 kHz (rectangular antenna).

Objectifies atmospherics, “dirty electricity” wiring & transmission, electromagnetic hash (up to the 21st or more harmonic!), wireless distortions & errors.

Hear Wi-Fi, Bluetooth, cellular transmissions at 1 metre range.

Under right conditions, ionospheric whistlers, Auroral effects can be heard with audio quality.

Built-in speaker, headphone jack, compact loop antenna.

With free computer software, the dispersion of distant (1,000 – 10,000 km) lightning burst can be observed. Cloud lightning and ground strikes can be distinguished by their audio signature as well as the displayed burst using such software.

View video demonstrations: general observations –, and the typical urban environment electromagnetic hash –

We provide EMF training (including remote learning with tutoring opportunities) which helps to identify electromagnetic field issues with meters as well as to enable their satisfactory remediation.

(See the Workshop section on this website for details.)


Additional information

Weight .45 kg
Dimensions 25 × 17 × 10 cm


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