Confidence: Medium · Source: FCC ULS · As of 2026-09-15
WD4ISJ callsign genealogy
Currently held by FITTS, MARLIN J
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 WD4ISJ'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 WD4ISJ.
- FITTS, MARLIN JTNgranted 2014-05-02cancelled 2026-06-03