 Since March 1, 2019, the station appears to have used a number of new callsigns, the most recurring of which is ANVF ().The station transmits using AM with a suppressed lower sideband (USB modulation), but it has also used full double-sideband AM (A3E).The signal consists of a buzzing sound that lasts 1.2 seconds, pausing for 1–1.3 seconds, and repeating 21–34 times per minute.