Skip to main content

The Gyrator III VLF Receiver

The AAVSO Website is currently undergoing maintenance. This may continue until 17:00EDT (22:00UTC) Some services may be unavailable during this period. We apologize for the inconvenience.

The latest version of the Gyrator series of VLF receivers (first developed in the 1990s) is the Gyrator III, a revision of Arthur Stokes' Gyrator II by Guglielmo Di Filippo (observer A-93).


Circuit diagrams and wiring for the Gyrator III are available here in Microsoft Word and PDF formats: .doc, .pdf

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484