Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KE4JFO callsign genealogy
Currently held by JACHNA, MARY ANN I
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KE4JFO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KE4JFO.
- JACHNA, MARY ANN IFLgranted 2013-10-21cancelled 2026-03-06